lib/sg_pool.c: remove unnecessary null check when freeing object
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>
diff --git a/lib/sg_pool.c b/lib/sg_pool.c
index 6dd3061..d1c1e63 100644
--- a/lib/sg_pool.c
+++ b/lib/sg_pool.c
@@ -148,10 +148,9 @@
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;