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-rw-r--r--arch/um/drivers/chan_user.c26
-rw-r--r--arch/um/drivers/mmapper_kern.c24
-rw-r--r--arch/um/drivers/net_user.c2
-rw-r--r--arch/um/drivers/slip.h4
-rw-r--r--arch/um/drivers/slip_proto.h3
-rw-r--r--arch/um/drivers/slirp.h4
-rw-r--r--arch/um/drivers/stderr_console.c6
7 files changed, 47 insertions, 22 deletions
diff --git a/arch/um/drivers/chan_user.c b/arch/um/drivers/chan_user.c
index 583b8e137c33..5d3768156c92 100644
--- a/arch/um/drivers/chan_user.c
+++ b/arch/um/drivers/chan_user.c
@@ -143,22 +143,22 @@ static int winch_tramp(int fd, struct tty_struct *tty, int *fd_out)
{
struct winch_data data;
unsigned long stack;
- int fds[2], pid, n, err;
+ int fds[2], n, err;
char c;
err = os_pipe(fds, 1, 1);
if(err < 0){
printk("winch_tramp : os_pipe failed, err = %d\n", -err);
- return(err);
+ goto out;
}
data = ((struct winch_data) { .pty_fd = fd,
.pipe_fd = fds[1],
.close_me = fds[0] } );
- pid = run_helper_thread(winch_thread, &data, 0, &stack, 0);
- if(pid < 0){
+ err = run_helper_thread(winch_thread, &data, 0, &stack, 0);
+ if(err < 0){
printk("fork of winch_thread failed - errno = %d\n", errno);
- return(pid);
+ goto out_close;
}
os_close_file(fds[1]);
@@ -168,14 +168,22 @@ static int winch_tramp(int fd, struct tty_struct *tty, int *fd_out)
printk("winch_tramp : failed to read synchronization byte\n");
printk("read failed, err = %d\n", -n);
printk("fd %d will not support SIGWINCH\n", fd);
- *fd_out = -1;
+ err = -EINVAL;
+ goto out_close1;
}
- return(pid);
+ return err ;
+
+ out_close:
+ os_close_file(fds[1]);
+ out_close1:
+ os_close_file(fds[0]);
+ out:
+ return err;
}
void register_winch(int fd, struct tty_struct *tty)
{
- int pid, thread, thread_fd;
+ int pid, thread, thread_fd = -1;
int count;
char c = 1;
@@ -186,7 +194,7 @@ void register_winch(int fd, struct tty_struct *tty)
if(!CHOOSE_MODE_PROC(is_tracer_winch, is_skas_winch, pid, fd,
tty) && (pid == -1)){
thread = winch_tramp(fd, tty, &thread_fd);
- if(fd != -1){
+ if(thread > 0){
register_winch_irq(thread_fd, fd, thread, tty);
count = os_write_file(thread_fd, &c, sizeof(c));
diff --git a/arch/um/drivers/mmapper_kern.c b/arch/um/drivers/mmapper_kern.c
index a63231dffe05..a37a5ac13c22 100644
--- a/arch/um/drivers/mmapper_kern.c
+++ b/arch/um/drivers/mmapper_kern.c
@@ -18,6 +18,7 @@
#include <linux/slab.h>
#include <linux/init.h>
#include <linux/smp_lock.h>
+#include <linux/miscdevice.h>
#include <asm/uaccess.h>
#include <asm/irq.h>
#include <asm/pgtable.h>
@@ -117,24 +118,39 @@ static struct file_operations mmapper_fops = {
.release = mmapper_release,
};
+static struct miscdevice mmapper_dev = {
+ .minor = MISC_DYNAMIC_MINOR,
+ .name = "mmapper",
+ .fops = &mmapper_fops
+};
+
static int __init mmapper_init(void)
{
+ int err;
+
printk(KERN_INFO "Mapper v0.1\n");
v_buf = (char *) find_iomem("mmapper", &mmapper_size);
if(mmapper_size == 0){
printk(KERN_ERR "mmapper_init - find_iomem failed\n");
- return(0);
+ goto out;
}
- p_buf = __pa(v_buf);
+ err = misc_register(&mmapper_dev);
+ if(err){
+ printk(KERN_ERR "mmapper - misc_register failed, err = %d\n",
+ err);
+ goto out;
+ }
- devfs_mk_cdev(MKDEV(30, 0), S_IFCHR|S_IRUGO|S_IWUGO, "mmapper");
- return(0);
+ p_buf = __pa(v_buf);
+out:
+ return 0;
}
static void mmapper_exit(void)
{
+ misc_deregister(&mmapper_dev);
}
module_init(mmapper_init);
diff --git a/arch/um/drivers/net_user.c b/arch/um/drivers/net_user.c
index 47229fe4a813..3730d4f12713 100644
--- a/arch/um/drivers/net_user.c
+++ b/arch/um/drivers/net_user.c
@@ -32,7 +32,7 @@ int tap_open_common(void *dev, char *gate_addr)
return(0);
}
-void tap_check_ips(char *gate_addr, char *eth_addr)
+void tap_check_ips(char *gate_addr, unsigned char *eth_addr)
{
int tap_addr[4];
diff --git a/arch/um/drivers/slip.h b/arch/um/drivers/slip.h
index 495f2f1b1420..d523618cd5ac 100644
--- a/arch/um/drivers/slip.h
+++ b/arch/um/drivers/slip.h
@@ -12,8 +12,8 @@ struct slip_data {
char *addr;
char *gate_addr;
int slave;
- char ibuf[ENC_BUF_SIZE];
- char obuf[ENC_BUF_SIZE];
+ unsigned char ibuf[ENC_BUF_SIZE];
+ unsigned char obuf[ENC_BUF_SIZE];
int more; /* more data: do not read fd until ibuf has been drained */
int pos;
int esc;
diff --git a/arch/um/drivers/slip_proto.h b/arch/um/drivers/slip_proto.h
index 7206361ace45..4c4d94a33100 100644
--- a/arch/um/drivers/slip_proto.h
+++ b/arch/um/drivers/slip_proto.h
@@ -12,7 +12,8 @@
#define SLIP_ESC_END 0334 /* ESC ESC_END means END 'data' */
#define SLIP_ESC_ESC 0335 /* ESC ESC_ESC means ESC 'data' */
-static inline int slip_unesc(unsigned char c,char *buf,int *pos, int *esc)
+static inline int slip_unesc(unsigned char c, unsigned char *buf, int *pos,
+ int *esc)
{
int ret;
diff --git a/arch/um/drivers/slirp.h b/arch/um/drivers/slirp.h
index 04e407d1e44a..afa4e30284fd 100644
--- a/arch/um/drivers/slirp.h
+++ b/arch/um/drivers/slirp.h
@@ -24,8 +24,8 @@ struct slirp_data {
struct arg_list_dummy_wrapper argw;
int pid;
int slave;
- char ibuf[ENC_BUF_SIZE];
- char obuf[ENC_BUF_SIZE];
+ unsigned char ibuf[ENC_BUF_SIZE];
+ unsigned char obuf[ENC_BUF_SIZE];
int more; /* more data: do not read fd until ibuf has been drained */
int pos;
int esc;
diff --git a/arch/um/drivers/stderr_console.c b/arch/um/drivers/stderr_console.c
index 98565b53d170..429ae8e6c7e5 100644
--- a/arch/um/drivers/stderr_console.c
+++ b/arch/um/drivers/stderr_console.c
@@ -22,9 +22,9 @@ static void stderr_console_write(struct console *console, const char *string,
}
static struct console stderr_console = {
- .name "stderr",
- .write stderr_console_write,
- .flags CON_PRINTBUFFER,
+ .name = "stderr",
+ .write = stderr_console_write,
+ .flags = CON_PRINTBUFFER,
};
static int __init stderr_console_init(void)
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-18 07:23:46 +0000