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mm/zswap: delete unnecessary check before calling free_percpu() 

free_percpu() tests whether its argument is NULL and then returns
immediately.  Thus the test around the call is not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Cc: Seth Jennings <sjennings@variantweb.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Markus Elfring 2014-12-12 16:57:18 -08:00 committed by Linus Torvalds
parent dd01d7d89a
commit 442cc432e6
1 changed files with 1 additions and 2 deletions
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3
mm/zswap.c
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@ -152,8 +152,7 @@ static int __init zswap_comp_init(void)
static void __init zswap_comp_exit(void)
{
/* free percpu transforms */
if (zswap_comp_pcpu_tfms)
free_percpu(zswap_comp_pcpu_tfms);
free_percpu(zswap_comp_pcpu_tfms);
}
/*********************************