diff options
Diffstat (limited to 'arch')
-rw-r--r-- | arch/arm/kernel/sys_arm.c | 2 | ||||
-rw-r--r-- | arch/ia64/ia32/sys_ia32.c | 19 | ||||
-rw-r--r-- | arch/ia64/kernel/sys_ia64.c | 12 | ||||
-rw-r--r-- | arch/mips/kernel/sysmips.c | 2 | ||||
-rw-r--r-- | arch/ppc/amiga/chipram.c | 29 | ||||
-rw-r--r-- | arch/ppc/kernel/syscalls.c | 8 | ||||
-rw-r--r-- | arch/sparc/kernel/sys_sparc.c | 2 | ||||
-rw-r--r-- | arch/sparc/kernel/sys_sunos.c | 49 | ||||
-rw-r--r-- | arch/sparc64/kernel/sys_sparc.c | 4 | ||||
-rw-r--r-- | arch/sparc64/kernel/sys_sparc32.c | 11 | ||||
-rw-r--r-- | arch/sparc64/kernel/sys_sunos32.c | 49 |
11 files changed, 36 insertions, 151 deletions
diff --git a/arch/arm/kernel/sys_arm.c b/arch/arm/kernel/sys_arm.c index e1617fbaa..2c3cabadc 100644 --- a/arch/arm/kernel/sys_arm.c +++ b/arch/arm/kernel/sys_arm.c @@ -230,7 +230,6 @@ asmlinkage int sys_execve(char *filenamei, char **argv, char **envp, struct pt_r int error; char * filename; - lock_kernel(); filename = getname(filenamei); error = PTR_ERR(filename); if (IS_ERR(filename)) @@ -238,7 +237,6 @@ asmlinkage int sys_execve(char *filenamei, char **argv, char **envp, struct pt_r error = do_execve(filename, argv, envp, regs); putname(filename); out: - unlock_kernel(); return error; } diff --git a/arch/ia64/ia32/sys_ia32.c b/arch/ia64/ia32/sys_ia32.c index 95f8b1f54..1e9876eb4 100644 --- a/arch/ia64/ia32/sys_ia32.c +++ b/arch/ia64/ia32/sys_ia32.c @@ -708,7 +708,6 @@ sys32_getdents (unsigned int fd, void * dirent, unsigned int count) buf.count = count; buf.error = 0; - lock_kernel(); error = vfs_readdir(file, filldir32, &buf); if (error < 0) goto out_putf; @@ -720,7 +719,6 @@ sys32_getdents (unsigned int fd, void * dirent, unsigned int count) } out_putf: - unlock_kernel(); fput(file); out: return error; @@ -759,12 +757,9 @@ sys32_readdir (unsigned int fd, void * dirent, unsigned int count) buf.count = 0; buf.dirent = dirent; - lock_kernel(); error = vfs_readdir(file, fillonedir32, &buf); if (error >= 0) error = buf.count; - unlock_kernel(); - fput(file); out: return error; @@ -1028,7 +1023,6 @@ sys32_readv(int fd, struct iovec32 *vector, u32 count) struct file *file; long ret = -EBADF; - lock_kernel(); file = fget(fd); if(!file) goto bad_file; @@ -1041,7 +1035,6 @@ sys32_readv(int fd, struct iovec32 *vector, u32 count) out: fput(file); bad_file: - unlock_kernel(); return ret; } @@ -1051,7 +1044,6 @@ sys32_writev(int fd, struct iovec32 *vector, u32 count) struct file *file; int ret = -EBADF; - lock_kernel(); file = fget(fd); if(!file) goto bad_file; @@ -1066,7 +1058,6 @@ sys32_writev(int fd, struct iovec32 *vector, u32 count) out: fput(file); bad_file: - unlock_kernel(); return ret; } @@ -1852,7 +1843,6 @@ sys32_ipc (u32 call, int first, int second, int third, u32 ptr, u32 fifth) { int version, err; - lock_kernel(); version = call >> 16; /* hack for backward compatibility */ call &= 0xffff; @@ -1904,7 +1894,6 @@ sys32_ipc (u32 call, int first, int second, int third, u32 ptr, u32 fifth) break; } - unlock_kernel(); return err; } @@ -3719,7 +3708,6 @@ sys32_sendmsg(int fd, struct msghdr32 *user_msg, unsigned user_flags) } kern_msg.msg_flags = user_flags; - lock_kernel(); sock = sockfd_lookup(fd, &err); if (sock != NULL) { if (sock->file->f_flags & O_NONBLOCK) @@ -3727,7 +3715,6 @@ sys32_sendmsg(int fd, struct msghdr32 *user_msg, unsigned user_flags) err = sock_sendmsg(sock, &kern_msg, total_len); sockfd_put(sock); } - unlock_kernel(); /* N.B. Use kfree here, as kern_msg.msg_controllen might change? */ if(ctl_buf != ctl) @@ -3767,7 +3754,6 @@ sys32_recvmsg(int fd, struct msghdr32 *user_msg, unsigned int user_flags) cmsg_ptr = (unsigned long) kern_msg.msg_control; kern_msg.msg_flags = 0; - lock_kernel(); sock = sockfd_lookup(fd, &err); if (sock != NULL) { struct scm_cookie scm; @@ -3775,6 +3761,7 @@ sys32_recvmsg(int fd, struct msghdr32 *user_msg, unsigned int user_flags) if (sock->file->f_flags & O_NONBLOCK) user_flags |= MSG_DONTWAIT; memset(&scm, 0, sizeof(scm)); + lock_kernel(); err = sock->ops->recvmsg(sock, &kern_msg, total_len, user_flags, &scm); if(err >= 0) { @@ -3805,9 +3792,9 @@ sys32_recvmsg(int fd, struct msghdr32 *user_msg, unsigned int user_flags) scm_detach_fds32(&kern_msg, &scm); } } + unlock_kernel(); sockfd_put(sock); } - unlock_kernel(); if(uaddr != NULL && err >= 0) err = move_addr_to_user(addr, kern_msg.msg_namelen, uaddr, @@ -4707,11 +4694,9 @@ asmlinkage long sys32_personality(unsigned long personality) { int ret; - lock_kernel(); if (current->personality == PER_LINUX32 && personality == PER_LINUX) personality = PER_LINUX32; ret = sys_personality(personality); - unlock_kernel(); if (ret == PER_LINUX32) ret = PER_LINUX; return ret; diff --git a/arch/ia64/kernel/sys_ia64.c b/arch/ia64/kernel/sys_ia64.c index c25193cdc..0ccbe24a6 100644 --- a/arch/ia64/kernel/sys_ia64.c +++ b/arch/ia64/kernel/sys_ia64.c @@ -180,27 +180,21 @@ sys_ioperm (unsigned long from, unsigned long num, int on) asmlinkage long sys_iopl (int level, long arg1, long arg2, long arg3) { - lock_kernel(); printk(KERN_ERR "sys_iopl(level=%d)!\n", level); - unlock_kernel(); return -ENOSYS; } asmlinkage long sys_vm86 (long arg0, long arg1, long arg2, long arg3) { - lock_kernel(); printk(KERN_ERR "sys_vm86(%lx, %lx, %lx, %lx)!\n", arg0, arg1, arg2, arg3); - unlock_kernel(); return -ENOSYS; } asmlinkage long sys_modify_ldt (long arg0, long arg1, long arg2, long arg3) { - lock_kernel(); printk(KERN_ERR "sys_modify_ldt(%lx, %lx, %lx, %lx)!\n", arg0, arg1, arg2, arg3); - unlock_kernel(); return -ENOSYS; } @@ -296,7 +290,6 @@ ia64_oldstat (char *filename, struct ia64_oldstat *statbuf) struct nameidata nd; int error; - lock_kernel(); error = user_path_walk(filename, &nd); if (!error) { error = do_revalidate(nd.dentry); @@ -304,7 +297,6 @@ ia64_oldstat (char *filename, struct ia64_oldstat *statbuf) error = cp_ia64_old_stat(nd.dentry->d_inode, statbuf); path_release(&nd); } - unlock_kernel(); return error; } @@ -314,7 +306,6 @@ ia64_oldlstat (char *filename, struct ia64_oldstat *statbuf) { struct nameidata nd; int error; - lock_kernel(); error = user_path_walk_link(filename, &nd); if (!error) { error = do_revalidate(nd.dentry); @@ -322,7 +313,6 @@ ia64_oldlstat (char *filename, struct ia64_oldstat *statbuf) { error = cp_ia64_old_stat(nd.dentry->d_inode, statbuf); path_release(&nd); } - unlock_kernel(); return error; } @@ -332,7 +322,6 @@ ia64_oldfstat (unsigned int fd, struct ia64_oldstat *statbuf) struct file * f; int err = -EBADF; - lock_kernel(); f = fget(fd); if (f) { struct dentry * dentry = f->f_dentry; @@ -342,7 +331,6 @@ ia64_oldfstat (unsigned int fd, struct ia64_oldstat *statbuf) err = cp_ia64_old_stat(dentry->d_inode, statbuf); fput(f); } - unlock_kernel(); return err; } diff --git a/arch/mips/kernel/sysmips.c b/arch/mips/kernel/sysmips.c index 67383d84a..7d34f2d8c 100644 --- a/arch/mips/kernel/sysmips.c +++ b/arch/mips/kernel/sysmips.c @@ -49,7 +49,7 @@ sys_sysmips(int cmd, int arg1, int arg2, int arg3) { int *p; char *name; - int flags, tmp, len, retval; + int flags, tmp, len, retval, errno; switch(cmd) { case SETNAME: { diff --git a/arch/ppc/amiga/chipram.c b/arch/ppc/amiga/chipram.c index 31f91a794..259522584 100644 --- a/arch/ppc/amiga/chipram.c +++ b/arch/ppc/amiga/chipram.c @@ -1,15 +1,14 @@ /* ** linux/amiga/chipram.c ** -** Modified 03-May-94 by Geert Uytterhoeven -** (Geert.Uytterhoeven@cs.kuleuven.ac.be) +** Modified 03-May-94 by Geert Uytterhoeven <geert@linux-m68k.org> ** - 64-bit aligned allocations for full AGA compatibility */ -#include <linux/config.h> #include <linux/types.h> #include <linux/kernel.h> #include <linux/init.h> +#include <linux/zorro.h> #include <asm/amigahw.h> struct chip_desc { @@ -25,6 +24,8 @@ struct chip_desc { u_long amiga_chip_size; static unsigned long chipavail; +static struct resource chipram = { "Chip RAM", 0 }; + unsigned long amiga_chip_avail( void ) { #ifdef DEBUG @@ -34,8 +35,7 @@ unsigned long amiga_chip_avail( void ) } -__init -void amiga_chip_init (void) +void __init amiga_chip_init (void) { struct chip_desc *dp; @@ -49,6 +49,8 @@ void amiga_chip_init (void) */ amiga_chip_size -= 0x4000; #endif + chipram.end = amiga_chip_size-1; + request_resource(&iomem_resource, &chipram); /* initialize start boundary */ @@ -72,7 +74,7 @@ void amiga_chip_init (void) #endif } -void *amiga_chip_alloc (long size) +void *amiga_chip_alloc(long size, const char *name) { /* last chunk */ struct chip_desc *dp; @@ -82,7 +84,7 @@ void *amiga_chip_alloc (long size) size = (size + 7) & ~7; #ifdef DEBUG - printk("chip_alloc: allocate %ld bytes\n", size); + printk("amiga_chip_alloc: allocate %ld bytes\n", size); #endif /* @@ -108,14 +110,14 @@ void *amiga_chip_alloc (long size) dp = DP((unsigned long)ptr + dp->length); dp->alloced = 1; #ifdef DEBUG - printk ("chip_alloc: no split\n"); + printk ("amiga_chip_alloc: no split\n"); #endif } else { /* split the extent; use the end part */ long newsize = dp->length - (2*sizeof(*dp) + size); #ifdef DEBUG - printk ("chip_alloc: splitting %d to %ld\n", dp->length, + printk ("amiga_chip_alloc: splitting %d to %ld\n", dp->length, newsize); #endif dp->length = newsize; @@ -134,14 +136,18 @@ void *amiga_chip_alloc (long size) } #ifdef DEBUG - printk ("chip_alloc: returning %p\n", ptr); + printk ("amiga_chip_alloc: returning %p\n", ptr); #endif if ((unsigned long)ptr & 7) - panic("chip_alloc: alignment violation\n"); + panic("amiga_chip_alloc: alignment violation\n"); chipavail -= size + (2*sizeof(*dp)); /*MILAN*/ + if (!request_mem_region(ZTWO_PADDR(ptr), size, name)) + printk(KERN_WARNING "amiga_chip_alloc: region of size %ld at 0x%08lx " + "is busy\n", size, ZTWO_PADDR(ptr)); + return ptr; } @@ -156,6 +162,7 @@ void amiga_chip_free (void *ptr) #endif /* deallocate the chunk */ sdp->alloced = edp->alloced = 0; + release_mem_region(ZTWO_PADDR(ptr), sdp->length); /* check if we should merge with the previous chunk */ if (!sdp->first && !sdp[-1].alloced) { diff --git a/arch/ppc/kernel/syscalls.c b/arch/ppc/kernel/syscalls.c index 08d0bc44b..11aa42cad 100644 --- a/arch/ppc/kernel/syscalls.c +++ b/arch/ppc/kernel/syscalls.c @@ -52,25 +52,19 @@ asmlinkage int sys_ioperm(unsigned long from, unsigned long num, int on) int sys_iopl(int a1, int a2, int a3, int a4) { - lock_kernel(); printk(KERN_ERR "sys_iopl(%x, %x, %x, %x)!\n", a1, a2, a3, a4); - unlock_kernel(); return (-ENOSYS); } int sys_vm86(int a1, int a2, int a3, int a4) { - lock_kernel(); printk(KERN_ERR "sys_vm86(%x, %x, %x, %x)!\n", a1, a2, a3, a4); - unlock_kernel(); return (-ENOSYS); } int sys_modify_ldt(int a1, int a2, int a3, int a4) { - lock_kernel(); printk(KERN_ERR "sys_modify_ldt(%x, %x, %x, %x)!\n", a1, a2, a3, a4); - unlock_kernel(); return (-ENOSYS); } @@ -84,7 +78,6 @@ sys_ipc (uint call, int first, int second, int third, void *ptr, long fifth) { int version, ret; - lock_kernel(); version = call >> 16; /* hack for backward compatibility */ call &= 0xffff; @@ -171,7 +164,6 @@ sys_ipc (uint call, int first, int second, int third, void *ptr, long fifth) break; } - unlock_kernel(); return ret; } diff --git a/arch/sparc/kernel/sys_sparc.c b/arch/sparc/kernel/sys_sparc.c index 66221c796..848dba72e 100644 --- a/arch/sparc/kernel/sys_sparc.c +++ b/arch/sparc/kernel/sys_sparc.c @@ -100,7 +100,6 @@ asmlinkage int sys_ipc (uint call, int first, int second, int third, void *ptr, { int version, err; - lock_kernel(); version = call >> 16; /* hack for backward compatibility */ call &= 0xffff; @@ -195,7 +194,6 @@ asmlinkage int sys_ipc (uint call, int first, int second, int third, void *ptr, else err = -EINVAL; out: - unlock_kernel(); return err; } diff --git a/arch/sparc/kernel/sys_sunos.c b/arch/sparc/kernel/sys_sunos.c index 1ba500986..73cb4580c 100644 --- a/arch/sparc/kernel/sys_sunos.c +++ b/arch/sparc/kernel/sys_sunos.c @@ -521,7 +521,6 @@ asmlinkage int sunos_fpathconf(int fd, int name) { int ret; - lock_kernel(); switch(name) { case _PCONF_LINK: ret = LINK_MAX; @@ -552,7 +551,6 @@ asmlinkage int sunos_fpathconf(int fd, int name) ret = -EINVAL; break; } - unlock_kernel(); return ret; } @@ -560,9 +558,7 @@ asmlinkage int sunos_pathconf(char *path, int name) { int ret; - lock_kernel(); ret = sunos_fpathconf(0, name); /* XXX cheese XXX */ - unlock_kernel(); return ret; } @@ -575,7 +571,6 @@ asmlinkage int sunos_select(int width, fd_set *inp, fd_set *outp, fd_set *exp, s int ret; /* SunOS binaries expect that select won't change the tvp contents */ - lock_kernel(); ret = sys_select (width, inp, outp, exp, tvp); if (ret == -EINTR && tvp) { time_t sec, usec; @@ -586,7 +581,6 @@ asmlinkage int sunos_select(int width, fd_set *inp, fd_set *outp, fd_set *exp, s if (sec == 0 && usec == 0) ret = 0; } - unlock_kernel(); return ret; } @@ -829,7 +823,6 @@ asmlinkage int sunos_setpgrp(pid_t pid, pid_t pgid) int ret; /* So stupid... */ - lock_kernel(); if((!pid || pid == current->pid) && !pgid) { sys_setsid(); @@ -837,7 +830,6 @@ asmlinkage int sunos_setpgrp(pid_t pid, pid_t pgid) } else { ret = sys_setpgid(pid, pgid); } - unlock_kernel(); return ret; } @@ -847,9 +839,7 @@ asmlinkage int sunos_wait4(pid_t pid, unsigned int *stat_addr, int options, stru { int ret; - lock_kernel(); ret = sys_wait4((pid ? pid : -1), stat_addr, options, ru); - unlock_kernel(); return ret; } @@ -897,7 +887,6 @@ extern asmlinkage long sunos_sysconf (int name) { long ret; - lock_kernel(); switch (name){ case _SC_ARG_MAX: ret = ARG_MAX; @@ -930,7 +919,6 @@ extern asmlinkage long sunos_sysconf (int name) ret = -1; break; }; - unlock_kernel(); return ret; } @@ -940,7 +928,6 @@ asmlinkage int sunos_semsys(int op, unsigned long arg1, unsigned long arg2, union semun arg4; int ret; - lock_kernel(); switch (op) { case 0: /* Most arguments match on a 1:1 basis but cmd doesn't */ @@ -976,7 +963,6 @@ asmlinkage int sunos_semsys(int op, unsigned long arg1, unsigned long arg2, ret = -EINVAL; break; }; - unlock_kernel(); return ret; } @@ -987,7 +973,6 @@ asmlinkage int sunos_msgsys(int op, unsigned long arg1, unsigned long arg2, unsigned long arg5; int rval; - lock_kernel(); switch(op) { case 0: rval = sys_msgget((key_t)arg1, (int)arg2); @@ -997,8 +982,10 @@ asmlinkage int sunos_msgsys(int op, unsigned long arg1, unsigned long arg2, (struct msqid_ds *)arg3); break; case 2: + lock_kernel(); sp = (struct sparc_stackf *)current->thread.kregs->u_regs[UREG_FP]; arg5 = sp->xxargs[0]; + unlock_kernel(); rval = sys_msgrcv((int)arg1, (struct msgbuf *)arg2, (size_t)arg3, (long)arg4, (int)arg5); break; @@ -1010,7 +997,6 @@ asmlinkage int sunos_msgsys(int op, unsigned long arg1, unsigned long arg2, rval = -EINVAL; break; } - unlock_kernel(); return rval; } @@ -1020,7 +1006,6 @@ asmlinkage int sunos_shmsys(int op, unsigned long arg1, unsigned long arg2, unsigned long raddr; int rval; - lock_kernel(); switch(op) { case 0: /* sys_shmat(): attach a shared memory area */ @@ -1044,7 +1029,6 @@ asmlinkage int sunos_shmsys(int op, unsigned long arg1, unsigned long arg2, rval = -EINVAL; break; }; - unlock_kernel(); return rval; } @@ -1058,9 +1042,12 @@ asmlinkage int sunos_shmsys(int op, unsigned long arg1, unsigned long arg2, static inline int check_nonblock(int ret, int fd) { if (ret == -EAGAIN) { - struct file * file = fcheck(fd); - if (file && (file->f_flags & O_NDELAY)) - ret = -SUNOS_EWOULDBLOCK; + struct file * file = fget(fd); + if (file) { + if (file->f_flags & O_NDELAY) + ret = -SUNOS_EWOULDBLOCK; + fput(file); + } } return ret; } @@ -1078,9 +1065,7 @@ asmlinkage int sunos_read(unsigned int fd,char *buf,int count) { int ret; - lock_kernel(); ret = check_nonblock(sys_read(fd,buf,count),fd); - unlock_kernel(); return ret; } @@ -1088,9 +1073,7 @@ asmlinkage int sunos_readv(unsigned long fd, const struct iovec * vector, long c { int ret; - lock_kernel(); ret = check_nonblock(sys_readv(fd,vector,count),fd); - unlock_kernel(); return ret; } @@ -1098,9 +1081,7 @@ asmlinkage int sunos_write(unsigned int fd,char *buf,int count) { int ret; - lock_kernel(); ret = check_nonblock(sys_write(fd,buf,count),fd); - unlock_kernel(); return ret; } @@ -1108,9 +1089,7 @@ asmlinkage int sunos_writev(unsigned long fd, const struct iovec * vector, long { int ret; - lock_kernel(); ret = check_nonblock(sys_writev(fd,vector,count),fd); - unlock_kernel(); return ret; } @@ -1118,9 +1097,7 @@ asmlinkage int sunos_recv(int fd, void * ubuf, int size, unsigned flags) { int ret; - lock_kernel(); ret = check_nonblock(sys_recv(fd,ubuf,size,flags),fd); - unlock_kernel(); return ret; } @@ -1128,9 +1105,7 @@ asmlinkage int sunos_send(int fd, void * buff, int len, unsigned flags) { int ret; - lock_kernel(); ret = check_nonblock(sys_send(fd,buff,len,flags),fd); - unlock_kernel(); return ret; } @@ -1141,7 +1116,6 @@ asmlinkage int sunos_socket(int family, int type, int protocol) { int ret, one = 1; - lock_kernel(); ret = sys_socket(family, type, protocol); if (ret < 0) goto out; @@ -1149,7 +1123,6 @@ asmlinkage int sunos_socket(int family, int type, int protocol) sys_setsockopt(ret, SOL_SOCKET, SO_BSDCOMPAT, (char *)&one, sizeof(one)); out: - unlock_kernel(); return ret; } @@ -1157,7 +1130,6 @@ asmlinkage int sunos_accept(int fd, struct sockaddr *sa, int *addrlen) { int ret, one = 1; - lock_kernel(); while (1) { ret = check_nonblock(sys_accept(fd,sa,addrlen),fd); if (ret != -ENETUNREACH && ret != -EHOSTUNREACH) @@ -1169,7 +1141,6 @@ asmlinkage int sunos_accept(int fd, struct sockaddr *sa, int *addrlen) sys_setsockopt(ret, SOL_SOCKET, SO_BSDCOMPAT, (char *)&one, sizeof(one)); out: - unlock_kernel(); return ret; } @@ -1226,14 +1197,12 @@ asmlinkage int sunos_setsockopt(int fd, int level, int optname, char *optval, int tr_opt = optname; int ret; - lock_kernel(); if (level == SOL_IP) { /* Multicast socketopts (ttl, membership) */ if (tr_opt >=2 && tr_opt <= 6) tr_opt += 30; } ret = sys_setsockopt(fd, level, tr_opt, optval, optlen); - unlock_kernel(); return ret; } @@ -1243,13 +1212,11 @@ asmlinkage int sunos_getsockopt(int fd, int level, int optname, char *optval, int tr_opt = optname; int ret; - lock_kernel(); if (level == SOL_IP) { /* Multicast socketopts (ttl, membership) */ if (tr_opt >=2 && tr_opt <= 6) tr_opt += 30; } ret = sys_getsockopt(fd, level, tr_opt, optval, optlen); - unlock_kernel(); return ret; } diff --git a/arch/sparc64/kernel/sys_sparc.c b/arch/sparc64/kernel/sys_sparc.c index 48cf27f38..ec3042398 100644 --- a/arch/sparc64/kernel/sys_sparc.c +++ b/arch/sparc64/kernel/sys_sparc.c @@ -111,7 +111,6 @@ asmlinkage int sys_ipc (unsigned call, int first, int second, unsigned long thir { int err; - lock_kernel(); /* No need for backward compatibility. We can start fresh... */ if (call <= SEMCTL) @@ -177,7 +176,6 @@ asmlinkage int sys_ipc (unsigned call, int first, int second, unsigned long thir else err = -EINVAL; out: - unlock_kernel(); return err; } @@ -198,11 +196,9 @@ extern asmlinkage long sys_personality(unsigned long); asmlinkage int sparc64_personality(unsigned long personality) { int ret; - lock_kernel(); if (current->personality == PER_LINUX32 && personality == PER_LINUX) personality = PER_LINUX32; ret = sys_personality(personality); - unlock_kernel(); if (ret == PER_LINUX32) ret = PER_LINUX; return ret; diff --git a/arch/sparc64/kernel/sys_sparc32.c b/arch/sparc64/kernel/sys_sparc32.c index 8f3339bfa..8b917e303 100644 --- a/arch/sparc64/kernel/sys_sparc32.c +++ b/arch/sparc64/kernel/sys_sparc32.c @@ -1184,8 +1184,6 @@ asmlinkage long sys32_readv(int fd, struct iovec32 *vector, u32 count) struct file *file; long ret = -EBADF; - lock_kernel(); - file = fget(fd); if(!file) goto bad_file; @@ -1195,7 +1193,6 @@ asmlinkage long sys32_readv(int fd, struct iovec32 *vector, u32 count) fput(file); bad_file: - unlock_kernel(); return ret; } @@ -1204,8 +1201,6 @@ asmlinkage long sys32_writev(int fd, struct iovec32 *vector, u32 count) struct file *file; int ret = -EBADF; - lock_kernel(); - file = fget(fd); if(!file) goto bad_file; @@ -1214,7 +1209,6 @@ asmlinkage long sys32_writev(int fd, struct iovec32 *vector, u32 count) fput(file); bad_file: - unlock_kernel(); return ret; } @@ -4132,10 +4126,7 @@ asmlinkage long sparc32_open(const char * filename, int flags, int mode) if (!IS_ERR(tmp)) { fd = get_unused_fd(); if (fd >= 0) { - struct file * f; - lock_kernel(); - f = filp_open(tmp, flags, mode); - unlock_kernel(); + struct file * f = filp_open(tmp, flags, mode); error = PTR_ERR(f); if (IS_ERR(f)) goto out_error; diff --git a/arch/sparc64/kernel/sys_sunos32.c b/arch/sparc64/kernel/sys_sunos32.c index 4d2a9173d..624a6b971 100644 --- a/arch/sparc64/kernel/sys_sunos32.c +++ b/arch/sparc64/kernel/sys_sunos32.c @@ -481,7 +481,6 @@ asmlinkage int sunos_fpathconf(int fd, int name) { int ret; - lock_kernel(); switch(name) { case _PCONF_LINK: ret = LINK_MAX; @@ -512,7 +511,6 @@ asmlinkage int sunos_fpathconf(int fd, int name) ret = -EINVAL; break; } - unlock_kernel(); return ret; } @@ -520,9 +518,7 @@ asmlinkage int sunos_pathconf(u32 u_path, int name) { int ret; - lock_kernel(); ret = sunos_fpathconf(0, name); /* XXX cheese XXX */ - unlock_kernel(); return ret; } @@ -540,7 +536,6 @@ asmlinkage int sunos_select(int width, u32 inp, u32 outp, u32 exp, u32 tvp_x) int ret; /* SunOS binaries expect that select won't change the tvp contents */ - lock_kernel(); ret = sys32_select (width, inp, outp, exp, tvp_x); if (ret == -EINTR && tvp_x) { struct timeval32 *tvp = (struct timeval32 *)A(tvp_x); @@ -551,7 +546,6 @@ asmlinkage int sunos_select(int width, u32 inp, u32 outp, u32 exp, u32 tvp_x) if (sec == 0 && usec == 0) ret = 0; } - unlock_kernel(); return ret; } @@ -798,7 +792,6 @@ asmlinkage int sunos_setpgrp(pid_t pid, pid_t pgid) int ret; /* So stupid... */ - lock_kernel(); if((!pid || pid == current->pid) && !pgid) { sys_setsid(); @@ -806,7 +799,6 @@ asmlinkage int sunos_setpgrp(pid_t pid, pid_t pgid) } else { ret = sys_setpgid(pid, pgid); } - unlock_kernel(); return ret; } @@ -818,10 +810,8 @@ asmlinkage int sunos_wait4(__kernel_pid_t32 pid, u32 stat_addr, int options, u32 { int ret; - lock_kernel(); ret = sys32_wait4((pid ? pid : ((__kernel_pid_t32)-1)), stat_addr, options, ru); - unlock_kernel(); return ret; } @@ -838,9 +828,7 @@ asmlinkage int sunos_killpg(int pgrp, int sig) asmlinkage int sunos_audit(void) { - lock_kernel(); printk ("sys_audit\n"); - unlock_kernel(); return -1; } @@ -868,7 +856,6 @@ extern asmlinkage s32 sunos_sysconf (int name) { s32 ret; - lock_kernel(); switch (name){ case _SC_ARG_MAX: ret = ARG_MAX; @@ -901,7 +888,6 @@ extern asmlinkage s32 sunos_sysconf (int name) ret = -1; break; }; - unlock_kernel(); return ret; } @@ -910,7 +896,6 @@ asmlinkage int sunos_semsys(int op, u32 arg1, u32 arg2, u32 arg3, u32 ptr) union semun arg4; int ret; - lock_kernel(); switch (op) { case 0: /* Most arguments match on a 1:1 basis but cmd doesn't */ @@ -946,7 +931,6 @@ asmlinkage int sunos_semsys(int op, u32 arg1, u32 arg2, u32 arg3, u32 ptr) ret = -EINVAL; break; }; - unlock_kernel(); return ret; } @@ -1048,7 +1032,6 @@ asmlinkage int sunos_msgsys(int op, u32 arg1, u32 arg2, u32 arg3, u32 arg4) u32 arg5; int rval; - lock_kernel(); switch(op) { case 0: rval = sys_msgget((key_t)arg1, (int)arg2); @@ -1102,7 +1085,6 @@ asmlinkage int sunos_msgsys(int op, u32 arg1, u32 arg2, u32 arg3, u32 arg4) rval = -EINVAL; break; } - unlock_kernel(); return rval; } @@ -1162,7 +1144,6 @@ asmlinkage int sunos_shmsys(int op, u32 arg1, u32 arg2, u32 arg3) mm_segment_t old_fs = get_fs(); int rval; - lock_kernel(); switch(op) { case 0: /* sys_shmat(): attach a shared memory area */ @@ -1194,7 +1175,6 @@ asmlinkage int sunos_shmsys(int op, u32 arg1, u32 arg2, u32 arg3) rval = -EINVAL; break; }; - unlock_kernel(); return rval; } @@ -1217,9 +1197,12 @@ asmlinkage int sunos_open(u32 fname, int flags, int mode) static inline int check_nonblock(int ret, int fd) { if (ret == -EAGAIN) { - struct file * file = fcheck(fd); - if (file && (file->f_flags & O_NDELAY)) - ret = -SUNOS_EWOULDBLOCK; + struct file * file = fget(fd); + if (file) { + if (file->f_flags & O_NDELAY) + ret = -SUNOS_EWOULDBLOCK; + fput(file); + } } return ret; } @@ -1236,9 +1219,7 @@ asmlinkage int sunos_read(unsigned int fd, u32 buf, u32 count) { int ret; - lock_kernel(); ret = check_nonblock(sys_read(fd, (char *)A(buf), count), fd); - unlock_kernel(); return ret; } @@ -1246,9 +1227,7 @@ asmlinkage int sunos_readv(u32 fd, u32 vector, s32 count) { int ret; - lock_kernel(); ret = check_nonblock(sys32_readv(fd, vector, count), fd); - unlock_kernel(); return ret; } @@ -1256,9 +1235,7 @@ asmlinkage int sunos_write(unsigned int fd, u32 buf, u32 count) { int ret; - lock_kernel(); ret = check_nonblock(sys_write(fd, (char *)A(buf), count), fd); - unlock_kernel(); return ret; } @@ -1266,9 +1243,7 @@ asmlinkage int sunos_writev(u32 fd, u32 vector, s32 count) { int ret; - lock_kernel(); ret = check_nonblock(sys32_writev(fd, vector, count), fd); - unlock_kernel(); return ret; } @@ -1276,9 +1251,7 @@ asmlinkage int sunos_recv(int fd, u32 ubuf, int size, unsigned flags) { int ret; - lock_kernel(); ret = check_nonblock(sys_recv(fd, (void *)A(ubuf), size, flags), fd); - unlock_kernel(); return ret; } @@ -1286,9 +1259,7 @@ asmlinkage int sunos_send(int fd, u32 buff, int len, unsigned flags) { int ret; - lock_kernel(); ret = check_nonblock(sys_send(fd, (void *)A(buff), len, flags), fd); - unlock_kernel(); return ret; } @@ -1299,7 +1270,6 @@ asmlinkage int sunos_socket(int family, int type, int protocol) { int ret, one = 1; - lock_kernel(); ret = sys_socket(family, type, protocol); if (ret < 0) goto out; @@ -1307,7 +1277,6 @@ asmlinkage int sunos_socket(int family, int type, int protocol) sys_setsockopt(ret, SOL_SOCKET, SO_BSDCOMPAT, (char *)&one, sizeof(one)); out: - unlock_kernel(); return ret; } @@ -1315,7 +1284,6 @@ asmlinkage int sunos_accept(int fd, u32 sa, u32 addrlen) { int ret, one = 1; - lock_kernel(); while (1) { ret = check_nonblock(sys_accept(fd, (struct sockaddr *)A(sa), (int *)A(addrlen)), fd); @@ -1328,7 +1296,6 @@ asmlinkage int sunos_accept(int fd, u32 sa, u32 addrlen) sys_setsockopt(ret, SOL_SOCKET, SO_BSDCOMPAT, (char *)&one, sizeof(one)); out: - unlock_kernel(); return ret; } @@ -1376,14 +1343,12 @@ asmlinkage int sunos_setsockopt(int fd, int level, int optname, u32 optval, int tr_opt = optname; int ret; - lock_kernel(); if (level == SOL_IP) { /* Multicast socketopts (ttl, membership) */ if (tr_opt >=2 && tr_opt <= 6) tr_opt += 30; } ret = sys_setsockopt(fd, level, tr_opt, (char *)A(optval), optlen); - unlock_kernel(); return ret; } @@ -1393,13 +1358,11 @@ asmlinkage int sunos_getsockopt(int fd, int level, int optname, int tr_opt = optname; int ret; - lock_kernel(); if (level == SOL_IP) { /* Multicast socketopts (ttl, membership) */ if (tr_opt >=2 && tr_opt <= 6) tr_opt += 30; } ret = sys32_getsockopt(fd, level, tr_opt, optval, optlen); - unlock_kernel(); return ret; } |