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[PATCH] Keys: Get rid of warning in kmod.c if keys disabled

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The attached patch gets rid of a "statement without effect" warning when
CONFIG_KEYS is disabled by making use of the return value of key_get().
The compiler will optimise all of this away when keys are disabled.

Signed-Off-By: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
David Howells 2005-10-30 15:02:44 -08:00 committed by Linus Torvalds
parent 29db919063
commit 20e1129ab8
1 changed files with 3 additions and 3 deletions
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6
kernel/kmod.c
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@ -131,14 +131,14 @@ struct subprocess_info {
static int ____call_usermodehelper(void *data)
{
struct subprocess_info *sub_info = data;
struct key *old_session;
struct key *new_session, *old_session;
int retval;
/* Unblock all signals and set the session keyring. */
key_get(sub_info->ring);
new_session = key_get(sub_info->ring);
flush_signals(current);
spin_lock_irq(&current->sighand->siglock);
old_session = __install_session_keyring(current, sub_info->ring);
old_session = __install_session_keyring(current, new_session);
flush_signal_handlers(current, 1);
sigemptyset(&current->blocked);
recalc_sigpending();