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[PATCH] sleep: Fix oops in enter_state

If ACPI sleep is not configured, but someone still wants to run swsusp,
he'd get oops in enter_state.  This is regression since 2.6.14 and this
fixes it.

Signed-off-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Pavel Machek há 19 anos atrás
pai
commit
969e9afd48
1 ficheiros alterados com 1 adições e 1 exclusões
  1. 1 1
      kernel/power/main.c

+ 1 - 1
kernel/power/main.c

@@ -167,7 +167,7 @@ static int enter_state(suspend_state_t state)
 {
 	int error;
 
-	if (pm_ops->valid && !pm_ops->valid(state))
+	if (pm_ops && pm_ops->valid && !pm_ops->valid(state))
 		return -ENODEV;
 	if (down_trylock(&pm_sem))
 		return -EBUSY;