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[MIPS] Sparse: Add __user tags to syscall.c

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Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

---
This commit is contained in:
Atsushi Nemoto 2006-02-08 23:39:49 +09:00 committed by Ralf Baechle
parent 72bf891421
commit be6e518b62
1 changed files with 26 additions and 22 deletions
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48
arch/mips/kernel/syscall.c
View file

@ -212,12 +212,12 @@ asmlinkage int sys_execve(nabi_no_regargs struct pt_regs regs)
int error;
char * filename;
filename = getname((char *) (long)regs.regs[4]);
filename = getname((char __user *) (long)regs.regs[4]);
error = PTR_ERR(filename);
if (IS_ERR(filename))
goto out;
error = do_execve(filename, (char **) (long)regs.regs[5],
(char **) (long)regs.regs[6], &regs);
error = do_execve(filename, (char __user *__user *) (long)regs.regs[5],
(char __user *__user *) (long)regs.regs[6], &regs);
putname(filename);
out:
@ -227,7 +227,7 @@ asmlinkage int sys_execve(nabi_no_regargs struct pt_regs regs)
/*
* Compacrapability ...
*/
asmlinkage int sys_uname(struct old_utsname * name)
asmlinkage int sys_uname(struct old_utsname __user * name)
{
if (name && !copy_to_user(name, &system_utsname, sizeof (*name)))
return 0;
@ -237,7 +237,7 @@ asmlinkage int sys_uname(struct old_utsname * name)
/*
* Compacrapability ...
*/
asmlinkage int sys_olduname(struct oldold_utsname * name)
asmlinkage int sys_olduname(struct oldold_utsname __user * name)
{
int error;
@ -274,7 +274,7 @@ void sys_set_thread_area(unsigned long addr)
asmlinkage int _sys_sysmips(int cmd, long arg1, int arg2, int arg3)
{
int tmp, len;
char *name;
char __user *name;
switch(cmd) {
case SETNAME: {
@ -283,7 +283,7 @@ asmlinkage int _sys_sysmips(int cmd, long arg1, int arg2, int arg3)
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
name = (char *) arg1;
name = (char __user *) arg1;
len = strncpy_from_user(nodename, name, __NEW_UTS_LEN);
if (len < 0)
@ -324,7 +324,7 @@ asmlinkage int _sys_sysmips(int cmd, long arg1, int arg2, int arg3)
* This is really horribly ugly.
*/
asmlinkage int sys_ipc (uint call, int first, int second,
unsigned long third, void *ptr, long fifth)
unsigned long third, void __user *ptr, long fifth)
{
int version, ret;
@ -333,24 +333,25 @@ asmlinkage int sys_ipc (uint call, int first, int second,
switch (call) {
case SEMOP:
return sys_semtimedop (first, (struct sembuf *)ptr, second,
NULL);
return sys_semtimedop (first, (struct sembuf __user *)ptr,
second, NULL);
case SEMTIMEDOP:
return sys_semtimedop (first, (struct sembuf *)ptr, second,
(const struct timespec __user *)fifth);
return sys_semtimedop (first, (struct sembuf __user *)ptr,
second,
(const struct timespec __user *)fifth);
case SEMGET:
return sys_semget (first, second, third);
case SEMCTL: {
union semun fourth;
if (!ptr)
return -EINVAL;
if (get_user(fourth.__pad, (void **) ptr))
if (get_user(fourth.__pad, (void *__user *) ptr))
return -EFAULT;
return sys_semctl (first, second, third, fourth);
}
case MSGSND:
return sys_msgsnd (first, (struct msgbuf *) ptr,
return sys_msgsnd (first, (struct msgbuf __user *) ptr,
second, third);
case MSGRCV:
switch (version) {
@ -360,7 +361,7 @@ asmlinkage int sys_ipc (uint call, int first, int second,
return -EINVAL;
if (copy_from_user(&tmp,
(struct ipc_kludge *) ptr,
(struct ipc_kludge __user *) ptr,
sizeof (tmp)))
return -EFAULT;
return sys_msgrcv (first, tmp.msgp, second,
@ -368,35 +369,38 @@ asmlinkage int sys_ipc (uint call, int first, int second,
}
default:
return sys_msgrcv (first,
(struct msgbuf *) ptr,
(struct msgbuf __user *) ptr,
second, fifth, third);
}
case MSGGET:
return sys_msgget ((key_t) first, second);
case MSGCTL:
return sys_msgctl (first, second, (struct msqid_ds *) ptr);
return sys_msgctl (first, second,
(struct msqid_ds __user *) ptr);
case SHMAT:
switch (version) {
default: {
ulong raddr;
ret = do_shmat (first, (char *) ptr, second, &raddr);
ret = do_shmat (first, (char __user *) ptr, second,
&raddr);
if (ret)
return ret;
return put_user (raddr, (ulong *) third);
return put_user (raddr, (ulong __user *) third);
}
case 1: /* iBCS2 emulator entry point */
if (!segment_eq(get_fs(), get_ds()))
return -EINVAL;
return do_shmat (first, (char *) ptr, second, (ulong *) third);
return do_shmat (first, (char __user *) ptr, second,
(ulong *) third);
}
case SHMDT:
return sys_shmdt ((char *)ptr);
return sys_shmdt ((char __user *)ptr);
case SHMGET:
return sys_shmget (first, second, third);
case SHMCTL:
return sys_shmctl (first, second,
(struct shmid_ds *) ptr);
(struct shmid_ds __user *) ptr);
default:
return -ENOSYS;
}