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| author | Yong Zhang <yong.zhang@windriver.com> | 2010-04-06 14:35:03 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-04-07 08:38:04 -0700 |
| commit | 57119c34e53bbb8d244c3ff1335ef5145768538f (patch) | |
| tree | 829858c9c167a2da60b54f85d4c620e58fe42125 /lib | |
| parent | bb1dc0bacb8ddd7ba6a5906c678a5a5a110cf695 (diff) | |
| download | lwn-57119c34e53bbb8d244c3ff1335ef5145768538f.tar.gz lwn-57119c34e53bbb8d244c3ff1335ef5145768538f.zip | |
ratelimit: fix the return value when __ratelimit() fails to acquire the lock
The log of commit edaac8e3167501cda336231d00611bf59c164346 ("ratelimit:
Fix/allow use in atomic contexts"), indicates that we want to suppress the
callback when the trylock fails.
Signed-off-by: Yong Zhang <yong.zhang@windriver.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/ratelimit.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/ratelimit.c b/lib/ratelimit.c index b4cd24ff9b29..027a03f4c56d 100644 --- a/lib/ratelimit.c +++ b/lib/ratelimit.c @@ -40,7 +40,7 @@ int ___ratelimit(struct ratelimit_state *rs, const char *func) * the entity that is holding the lock already: */ if (!spin_trylock_irqsave(&rs->lock, flags)) - return 1; + return 0; if (!rs->begin) rs->begin = jiffies; |