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authorRussell King <rmk+kernel@arm.linux.org.uk>2010-06-08 19:40:08 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2010-06-08 19:40:08 +0100
commit76962be8491b18ae7ff4fd6a4accd398bdb402a2 (patch)
tree976958bf8e4989a69901bfbb25dd6463728c6cb5 /include/linux/notifier.h
parent5e27fb78df95e027723af2c90ecc9b4527ae59e9 (diff)
parentd30e5d897c3da7c2d17c8112331b66ed953eec78 (diff)
Merge branch 'fix' of git://git.kernel.org/pub/scm/linux/kernel/git/ycmiao/pxa-linux-2.6
Diffstat (limited to 'include/linux/notifier.h')
-rw-r--r--include/linux/notifier.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/include/linux/notifier.h b/include/linux/notifier.h
index 7c360962233..540703b555c 100644
--- a/include/linux/notifier.h
+++ b/include/linux/notifier.h
@@ -164,7 +164,10 @@ extern int __srcu_notifier_call_chain(struct srcu_notifier_head *nh,
/* Encapsulate (negative) errno value (in particular, NOTIFY_BAD <=> EPERM). */
static inline int notifier_from_errno(int err)
{
- return NOTIFY_STOP_MASK | (NOTIFY_OK - err);
+ if (err)
+ return NOTIFY_STOP_MASK | (NOTIFY_OK - err);
+
+ return NOTIFY_OK;
}
/* Restore (negative) errno value from notify return value. */