linux-kernel - [PATCH 4/9] usb/host/fotg210: Remove NULL checks dma_pool

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Message-Id: <1444684960-8088-5-git-send-email-peter.senna@gmail.com>
Date:	Mon, 12 Oct 2015 23:22:35 +0200
From:	Peter Senna Tschudin <peter.senna@...il.com>
To:	gregkh@...uxfoundation.org, peter.senna@...il.com,
	sergei.shtylyov@...entembedded.com, jkosina@...e.cz,
	rdunlap@...radead.org, balbi@...com, standby24x7@...il.com,
	chris@...vick.com, stern@...land.harvard.edu,
	john453@...aday-tech.com, linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 4/9] usb/host/fotg210: Remove NULL checks dma_pool_destroy

This patch remove NULL checks before calls to dma_pool_destroy() as the
function now can handle NULL pointers.

Signed-off-by: Peter Senna Tschudin <peter.senna@...il.com>
---
 drivers/usb/host/fotg210-hcd.c | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/drivers/usb/host/fotg210-hcd.c b/drivers/usb/host/fotg210-hcd.c
index 7f6aa99..54c2b05 100644
--- a/drivers/usb/host/fotg210-hcd.c
+++ b/drivers/usb/host/fotg210-hcd.c
@@ -1915,17 +1915,13 @@ static void fotg210_mem_cleanup(struct fotg210_hcd *fotg210)
 	fotg210->dummy = NULL;
 
 	/* DMA consistent memory and pools */
-	if (fotg210->qtd_pool)
-		dma_pool_destroy(fotg210->qtd_pool);
+	dma_pool_destroy(fotg210->qtd_pool);
 	fotg210->qtd_pool = NULL;
 
-	if (fotg210->qh_pool) {
-		dma_pool_destroy(fotg210->qh_pool);
-		fotg210->qh_pool = NULL;
-	}
+	dma_pool_destroy(fotg210->qh_pool);
+	fotg210->qh_pool = NULL;
 
-	if (fotg210->itd_pool)
-		dma_pool_destroy(fotg210->itd_pool);
+	dma_pool_destroy(fotg210->itd_pool);
 	fotg210->itd_pool = NULL;
 
 	if (fotg210->periodic)
-- 
2.1.0

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