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[PATCH] m68k: syscalls __user annotation

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Cc: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Al Viro 2006-01-12 01:06:27 -08:00 • committed by Linus Torvalds
parent 1b7bb54a41
commit 350c20a6fd
1 changed files with 16 additions and 23 deletions
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39
arch/m68k/kernel/sys_m68k.c
View file

@ -32,7 +32,7 @@
* sys_pipe() is the normal C calling standard for creating * sys_pipe() is the normal C calling standard for creating
* a pipe. It's not the way unix traditionally does this, though. * a pipe. It's not the way unix traditionally does this, though.
*/ */
asmlinkage int sys_pipe(unsigned long * fildes) asmlinkage int sys_pipe(unsigned long __user * fildes)
{ {
int fd[2]; int fd[2];
int error; int error;
@ -94,7 +94,7 @@ struct mmap_arg_struct {
unsigned long offset; unsigned long offset;
}; };
asmlinkage int old_mmap(struct mmap_arg_struct *arg) asmlinkage int old_mmap(struct mmap_arg_struct __user *arg)
{ {
struct mmap_arg_struct a; struct mmap_arg_struct a;
int error = -EFAULT; int error = -EFAULT;
@ -160,11 +160,11 @@ out:
struct sel_arg_struct { struct sel_arg_struct {
unsigned long n; unsigned long n;
fd_set *inp, *outp, *exp; fd_set __user *inp, *outp, *exp;
struct timeval *tvp; struct timeval __user *tvp;
}; };
asmlinkage int old_select(struct sel_arg_struct *arg) asmlinkage int old_select(struct sel_arg_struct __user *arg)
{ {
struct sel_arg_struct a; struct sel_arg_struct a;
@ -180,7 +180,7 @@ asmlinkage int old_select(struct sel_arg_struct *arg)
* This is really horribly ugly. * This is really horribly ugly.
*/ */
asmlinkage int sys_ipc (uint call, int first, int second, asmlinkage int sys_ipc (uint call, int first, int second,
int third, void *ptr, long fifth) int third, void __user *ptr, long fifth)
{ {
int version, ret; int version, ret;
@ -190,14 +190,14 @@ asmlinkage int sys_ipc (uint call, int first, int second,
if (call <= SEMCTL) if (call <= SEMCTL)
switch (call) { switch (call) {
case SEMOP: case SEMOP:
return sys_semop (first, (struct sembuf *)ptr, second); return sys_semop (first, ptr, second);
case SEMGET: case SEMGET:
return sys_semget (first, second, third); return sys_semget (first, second, third);
case SEMCTL: { case SEMCTL: {
union semun fourth; union semun fourth;
if (!ptr) if (!ptr)
return -EINVAL; return -EINVAL;
if (get_user(fourth.__pad, (void **) ptr)) if (get_user(fourth.__pad, (void __user *__user *) ptr))
return -EFAULT; return -EFAULT;
return sys_semctl (first, second, third, fourth); return sys_semctl (first, second, third, fourth);
} }
@ -207,31 +207,26 @@ asmlinkage int sys_ipc (uint call, int first, int second,
if (call <= MSGCTL) if (call <= MSGCTL)
switch (call) { switch (call) {
case MSGSND: case MSGSND:
return sys_msgsnd (first, (struct msgbuf *) ptr, return sys_msgsnd (first, ptr, second, third);
second, third);
case MSGRCV: case MSGRCV:
switch (version) { switch (version) {
case 0: { case 0: {
struct ipc_kludge tmp; struct ipc_kludge tmp;
if (!ptr) if (!ptr)
return -EINVAL; return -EINVAL;
if (copy_from_user (&tmp, if (copy_from_user (&tmp, ptr, sizeof (tmp)))
(struct ipc_kludge *)ptr,
sizeof (tmp)))
return -EFAULT; return -EFAULT;
return sys_msgrcv (first, tmp.msgp, second, return sys_msgrcv (first, tmp.msgp, second,
tmp.msgtyp, third); tmp.msgtyp, third);
} }
default: default:
return sys_msgrcv (first, return sys_msgrcv (first, ptr,
(struct msgbuf *) ptr,
second, fifth, third); second, fifth, third);
} }
case MSGGET: case MSGGET:
return sys_msgget ((key_t) first, second); return sys_msgget ((key_t) first, second);
case MSGCTL: case MSGCTL:
return sys_msgctl (first, second, return sys_msgctl (first, second, ptr);
(struct msqid_ds *) ptr);
default: default:
return -ENOSYS; return -ENOSYS;
} }
@ -241,20 +236,18 @@ asmlinkage int sys_ipc (uint call, int first, int second,
switch (version) { switch (version) {
default: { default: {
ulong raddr; ulong raddr;
ret = do_shmat (first, (char *) ptr, ret = do_shmat (first, ptr, second, &raddr);
second, &raddr);
if (ret) if (ret)
return ret; return ret;
return put_user (raddr, (ulong *) third); return put_user (raddr, (ulong __user *) third);
} }
} }
case SHMDT: case SHMDT:
return sys_shmdt ((char *)ptr); return sys_shmdt (ptr);
case SHMGET: case SHMGET:
return sys_shmget (first, second, third); return sys_shmget (first, second, third);
case SHMCTL: case SHMCTL:
return sys_shmctl (first, second, return sys_shmctl (first, second, ptr);
(struct shmid_ds *) ptr);
default: default:
return -ENOSYS; return -ENOSYS;
} }