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lib/sg_pool.c: remove unnecessary null check when freeing object
author
zhong jiang
<zhongjiang@huawei.com>
Tue, 30 Oct 2018 22:05:37 +0000
(15:05 -0700)
committer
Linus Torvalds
<torvalds@linux-foundation.org>
Wed, 31 Oct 2018 15:54:13 +0000
(08:54 -0700)
mempool_destroy(NULL) and kmem_cache_destroy(NULL) are legal
Link:
http://lkml.kernel.org/r/1533054107-35657-1-git-send-email-zhongjiang@huawei.com
Signed-off-by: zhong jiang <zhongjiang@huawei.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
lib/sg_pool.c
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diff --git
a/lib/sg_pool.c
b/lib/sg_pool.c
index
6dd3061
..
d1c1e63
100644
(file)
--- a/
lib/sg_pool.c
+++ b/
lib/sg_pool.c
@@
-148,10
+148,9
@@
static __init int sg_pool_init(void)
cleanup_sdb:
for (i = 0; i < SG_MEMPOOL_NR; i++) {
struct sg_pool *sgp = sg_pools + i;
- if (sgp->pool)
- mempool_destroy(sgp->pool);
- if (sgp->slab)
- kmem_cache_destroy(sgp->slab);
+
+ mempool_destroy(sgp->pool);
+ kmem_cache_destroy(sgp->slab);
}
return -ENOMEM;