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authorRalf Baechle <ralf@linux-mips.org>2000-01-29 01:41:54 +0000
committerRalf Baechle <ralf@linux-mips.org>2000-01-29 01:41:54 +0000
commitf969d69ba9f952e5bdd38278e25e26a3e4a61a70 (patch)
treeb3530d803df59d726afaabebc6626987dee1ca05 /arch/mips64/kernel/syscall.c
parenta10ce7ef2066b455d69187643ddf2073bfc4db24 (diff)
Merge with 2.3.27.
Diffstat (limited to 'arch/mips64/kernel/syscall.c')
-rw-r--r--arch/mips64/kernel/syscall.c133
1 files changed, 59 insertions, 74 deletions
diff --git a/arch/mips64/kernel/syscall.c b/arch/mips64/kernel/syscall.c
index 31273522c..8273d5285 100644
--- a/arch/mips64/kernel/syscall.c
+++ b/arch/mips64/kernel/syscall.c
@@ -1,4 +1,4 @@
-/* $Id: syscall.c,v 1.3 1999/10/19 20:51:46 ralf Exp $
+/* $Id: syscall.c,v 1.1 1999/12/04 03:59:00 ralf Exp $
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
@@ -240,86 +240,71 @@ asmlinkage int sys_ipc (uint call, int first, int second,
version = call >> 16; /* hack for backward compatibility */
call &= 0xffff;
- if (call <= SEMCTL)
- switch (call) {
- case SEMOP:
- return sys_semop (first, (struct sembuf *)ptr, second);
- case SEMGET:
- return sys_semget (first, second, third);
- case SEMCTL: {
- union semun fourth;
+ switch (call) {
+ case SEMOP:
+ return sys_semop (first, (struct sembuf *)ptr, second);
+ case SEMGET:
+ return sys_semget (first, second, third);
+ case SEMCTL: {
+ union semun fourth;
+ if (!ptr)
+ return -EINVAL;
+ if (get_user(fourth.__pad, (void **) ptr))
+ return -EFAULT;
+ return sys_semctl (first, second, third, fourth);
+ }
+
+ case MSGSND:
+ return sys_msgsnd (first, (struct msgbuf *) ptr,
+ second, third);
+ case MSGRCV:
+ switch (version) {
+ case 0: {
+ struct ipc_kludge tmp;
if (!ptr)
return -EINVAL;
- if (get_user(fourth.__pad, (void **) ptr))
+
+ if (copy_from_user(&tmp,
+ (struct ipc_kludge *) ptr,
+ sizeof (tmp)))
return -EFAULT;
- return sys_semctl (first, second, third, fourth);
- }
- default:
- return -EINVAL;
+ return sys_msgrcv (first, tmp.msgp, second,
+ tmp.msgtyp, third);
}
-
- if (call <= MSGCTL)
- switch (call) {
- case MSGSND:
- return sys_msgsnd (first, (struct msgbuf *) ptr,
- second, third);
- case MSGRCV:
- switch (version) {
- case 0: {
- struct ipc_kludge tmp;
- if (!ptr)
- return -EINVAL;
-
- if (copy_from_user(&tmp,
- (struct ipc_kludge *) ptr,
- sizeof (tmp)))
- return -EFAULT;
- return sys_msgrcv (first, tmp.msgp, second,
- tmp.msgtyp, third);
- }
- default:
- return sys_msgrcv (first,
- (struct msgbuf *) ptr,
- second, fifth, third);
- }
- case MSGGET:
- return sys_msgget ((key_t) first, second);
- case MSGCTL:
- return sys_msgctl (first, second,
- (struct msqid_ds *) ptr);
default:
- return -EINVAL;
+ return sys_msgrcv (first,
+ (struct msgbuf *) ptr,
+ second, fifth, third);
}
- if (call <= SHMCTL)
- switch (call) {
- case SHMAT:
- switch (version) {
- default: {
- ulong raddr;
- ret = sys_shmat (first, (char *) ptr,
- second, &raddr);
- if (ret)
- return ret;
- return put_user (raddr, (ulong *) third);
- }
- case 1: /* iBCS2 emulator entry point */
- if (!segment_eq(get_fs(), get_ds()))
- return -EINVAL;
- return sys_shmat (first, (char *) ptr,
- second, (ulong *) third);
- }
- case SHMDT:
- return sys_shmdt ((char *)ptr);
- case SHMGET:
- return sys_shmget (first, second, third);
- case SHMCTL:
- return sys_shmctl (first, second,
- (struct shmid_ds *) ptr);
- default:
- return -EINVAL;
+ case MSGGET:
+ return sys_msgget ((key_t) first, second);
+ case MSGCTL:
+ return sys_msgctl (first, second, (struct msqid_ds *) ptr);
+
+ case SHMAT:
+ switch (version) {
+ default: {
+ ulong raddr;
+ ret = sys_shmat (first, (char *) ptr, second, &raddr);
+ if (ret)
+ return ret;
+ return put_user (raddr, (ulong *) third);
}
-
- return -EINVAL;
+ case 1: /* iBCS2 emulator entry point */
+ if (!segment_eq(get_fs(), get_ds()))
+ return -EINVAL;
+ return sys_shmat (first, (char *) ptr, second, (ulong *) third);
+ }
+ case SHMDT:
+ return sys_shmdt ((char *)ptr);
+ case SHMGET:
+ return sys_shmget (first, second, third);
+ case SHMCTL:
+ return sys_shmctl (first, second,
+ (struct shmid_ds *) ptr);
+ default:
+ return -EINVAL;
+ }
}
/*