| From | Lai Jiangshan <> | Subject | [PATCH 8/8] idr: reduce the unneeded check in free_layer() | Date | Fri, 18 Apr 2014 20:49:55 +0800 |
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If "idr->hint == p" is true, it also implies "idr->hint" is true(not NULL).
Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com> --- lib/idr.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/lib/idr.c b/lib/idr.c index 314ea5f..08d010c 100644 --- a/lib/idr.c +++ b/lib/idr.c @@ -143,7 +143,7 @@ static void idr_layer_rcu_free(struct rcu_head *head) static inline void free_layer(struct idr *idr, struct idr_layer *p) { - if (idr->hint && idr->hint == p) + if (idr->hint == p) RCU_INIT_POINTER(idr->hint, NULL); call_rcu(&p->rcu_head, idr_layer_rcu_free); } -- 1.7.4.4
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