[PATCH] cxl: Delete an unnecessary check before the function call "kfree"

SF Markus Elfring elfring at users.sourceforge.net
Fri Nov 6 21:05:46 AEDT 2015


From: Markus Elfring <elfring at users.sourceforge.net>
Date: Fri, 6 Nov 2015 11:00:23 +0100

The kfree() function 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 at users.sourceforge.net>
---
 drivers/misc/cxl/context.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/misc/cxl/context.c b/drivers/misc/cxl/context.c
index 2faa127..52e39b6 100644
--- a/drivers/misc/cxl/context.c
+++ b/drivers/misc/cxl/context.c
@@ -275,9 +275,7 @@ static void reclaim_ctx(struct rcu_head *rcu)
 	if (ctx->kernelapi)
 		kfree(ctx->mapping);
 
-	if (ctx->irq_bitmap)
-		kfree(ctx->irq_bitmap);
-
+	kfree(ctx->irq_bitmap);
 	kfree(ctx);
 }
 
-- 
2.6.2



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