From mboxrd@z Thu Jan 1 00:00:00 1970 From: gomonovych@gmail.com (Vasyl Gomonovych) Date: Wed, 22 Nov 2017 16:17:23 +0100 Subject: [PATCH] ARM: dma-mapping:Fix ifnullfree.cocci warnings Message-ID: <1511363843-26202-1-git-send-email-gomonovych@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org NULL check before some freeing functions is not needed. arch/arm/common/dmabounce.c:573:2-18: WARNING: NULL check before freeing functions like kfree arch/arm/common/dmabounce.c:575:2-18: WARNING: NULL check before freeing functions like kfree Generated by: scripts/coccinelle/free/ifnullfree.cocci Signed-off-by: Vasyl Gomonovych --- arch/arm/common/dmabounce.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/arch/arm/common/dmabounce.c b/arch/arm/common/dmabounce.c index 9a92de63426f..dcdd80c7a543 100644 --- a/arch/arm/common/dmabounce.c +++ b/arch/arm/common/dmabounce.c @@ -569,10 +569,8 @@ void dmabounce_unregister_dev(struct device *dev) BUG(); } - if (device_info->small.pool) - dma_pool_destroy(device_info->small.pool); - if (device_info->large.pool) - dma_pool_destroy(device_info->large.pool); + dma_pool_destroy(device_info->small.pool); + dma_pool_destroy(device_info->large.pool); #ifdef STATS if (device_info->attr_res == 0) -- 1.9.1