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 <[email protected]> Cc: Seth Jennings <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
iegor · Dec 13, 2014 · 442cc43 · 442cc43
1 parent dd01d7d
commit 442cc43
Showing 1 changed file with 1 addition and 2 deletions.
diff --git a/mm/zswap.c b/mm/zswap.c
@@ -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);
 }
 
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