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get rid of union semop in sys_semctl(2) arguments

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just have the bugger take unsigned long and deal with SETVAL
case (when we use an int member in the union) explicitly.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2013-03-05 15:04:55 -05:00
parent 4b377bab29
commit e1fd1f490f
7 changed files with 91 additions and 71 deletions
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15
arch/parisc/kernel/sys_parisc32.c
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@@ -60,21 +60,6 @@ asmlinkage long sys32_unimplemented(int r26, int r25, int r24, int r23,
return -ENOSYS;
}
asmlinkage long sys32_semctl(int semid, int semnum, int cmd, union semun arg)
{
union semun u;
if (cmd == SETVAL) {
/* Ugh. arg is a union of int,ptr,ptr,ptr, so is 8 bytes.
* The int should be in the first 4, but our argument
* frobbing has left it in the last 4.
*/
u.val = *((int *)&arg + 1);
return sys_semctl (semid, semnum, cmd, u);
}
return sys_semctl (semid, semnum, cmd, arg);
}
asmlinkage long compat_sys_fanotify_mark(int fan_fd, int flags, u32 mask_hi,
u32 mask_lo, int fd,
const char __user *pathname)