[PATCH] ixp4xx_eth: Delete an unnecessary check before the function call "dma_pool_destroy"

From	SF Markus Elfring <elfring@users.sourceforge.net>
Newsgroups	linux.kernel
Subject	[PATCH] ixp4xx_eth: Delete an unnecessary check before the function call "dma_pool_destroy"
Date	2015-11-16 12:30 +0100
Message-ID	<qvq8W-6FI-9@gated-at.bofh.it> (permalink)
References	(12 earlier) <mSsDN-4wa-59@gated-at.bofh.it> <mSsDN-4wa-61@gated-at.bofh.it> <mSsDN-4wa-63@gated-at.bofh.it> <mSsDN-4wa-65@gated-at.bofh.it> <mSsDN-4wa-33@gated-at.bofh.it>
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From: Markus Elfring <elfring@users.sourceforge.net>
Date: Mon, 16 Nov 2015 12:23:23 +0100

The dma_pool_destroy() 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@users.sourceforge.net>
---
 drivers/net/ethernet/xscale/ixp4xx_eth.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/xscale/ixp4xx_eth.c b/drivers/net/ethernet/xscale/ixp4xx_eth.c
index 5138407..6705951 100644
--- a/drivers/net/ethernet/xscale/ixp4xx_eth.c
+++ b/drivers/net/ethernet/xscale/ixp4xx_eth.c
@@ -1192,7 +1192,7 @@ static void destroy_queues(struct port *port)
 		port->desc_tab = NULL;
 	}
 
-	if (!ports_open && dma_pool) {
+	if (!ports_open) {
 		dma_pool_destroy(dma_pool);
 		dma_pool = NULL;
 	}
-- 
2.6.2

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[PATCH] ixp4xx_eth: Delete an unnecessary check before the function  call "dma_pool_destroy" SF Markus Elfring <elfring@users.sourceforge.net> - 2015-11-16 12:30 +0100
  Re: [PATCH] ixp4xx_eth: Delete an unnecessary check before the function call "dma_pool_destroy" khalasa@piap.pl (Krzysztof Hałasa) - 2015-11-25 13:20 +0100

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