Messages in this thread Patch in this message | | | From | Lai Jiangshan <> | Subject | [PATCH 8/9 V2] idr: reduce the unneeded check in free_layer() | Date | Sat, 19 Apr 2014 19:38:15 +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> Acked-by: Tejun Heo <tj@kernel.org> --- lib/idr.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/lib/idr.c b/lib/idr.c index 4a11c5d..e3c1da0 100644 --- a/lib/idr.c +++ b/lib/idr.c @@ -145,7 +145,7 @@ 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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