____call_usermodehelper: don't flush_signals()

____call_usermodehelper() has no reason for flush_signals().  It is a fresh
forked process which is going to exec a user-space application or exit on
failure.

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Rusty Russell <rusty@rustcorp.com.au>
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 49cc4b9c1a8d8ad8a0a602d7ea4cf0a6fe900a0b..6cea9db25c3d36ef215fad691a9a49a0a2a9bc3e 100644 (file)
--- a/kernel/kmod.c
+++ b/kernel/kmod.c
@@ -135,7 +135,6 @@ static int ____call_usermodehelper(void *data)
 
        /* Unblock all signals and set the session keyring. */
        new_session = key_get(sub_info->ring);
-       flush_signals(current);
        spin_lock_irq(&current->sighand->siglock);
        old_session = __install_session_keyring(current, new_session);
        flush_signal_handlers(current, 1);