From: Yong Zhang on
From log of commit edaac8e3167501cda336231d00611bf59c164346,
It seems that we want to suppress the callback when trylock

Signed-off-by: Yong Zhang <yong.zhang(a)>
Cc: Ingo Molnar <mingo(a)>
Cc: Christian Borntraeger <borntraeger(a)>
lib/ratelimit.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/lib/ratelimit.c b/lib/ratelimit.c
index 29a10b3..358638f 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;

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