usermodehelper: ____call_usermodehelper() doesn't need do_exit()

Minor cleanup.  ____call_usermodehelper() can simply return, no need to
call do_exit() explicitely.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Tejun Heo <tj@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/kernel/kmod.c b/kernel/kmod.c
index 8341de9..685b246 100644 (file)
--- a/kernel/kmod.c
+++ b/kernel/kmod.c
@@ -188,7 +188,7 @@ static int ____call_usermodehelper(void *data)
        /* Exec failed? */
 fail:
        sub_info->retval = retval;
-       do_exit(0);
+       return 0;
 }
 
 void call_usermodehelper_freeinfo(struct subprocess_info *info)