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authorPavel Machek <pavel@ucw.cz>2005-11-09 00:34:30 -0500
committerLinus Torvalds <torvalds@g5.osdl.org>2005-11-09 10:55:50 -0500
commit969e9afd489514252a680914c6d8b9322c713eb4 (patch)
treec4a5f7961995961e0305344c2f5759a80c3955ff /kernel
parent08de1f0461ad40136e7373cf85e2f3c221a9ad9a (diff)
[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>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/power/main.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/power/main.c b/kernel/power/main.c
index 18d7d693fbba..6ee2cad530e8 100644
--- a/kernel/power/main.c
+++ b/kernel/power/main.c
@@ -167,7 +167,7 @@ static int enter_state(suspend_state_t state)
167{ 167{
168 int error; 168 int error;
169 169
170 if (pm_ops->valid && !pm_ops->valid(state)) 170 if (pm_ops && pm_ops->valid && !pm_ops->valid(state))
171 return -ENODEV; 171 return -ENODEV;
172 if (down_trylock(&pm_sem)) 172 if (down_trylock(&pm_sem))
173 return -EBUSY; 173 return -EBUSY;