* [PATCH] ARM: dma-mapping:Fix ifnullfree.cocci warnings
@ 2017-11-22 15:17 Vasyl Gomonovych
0 siblings, 0 replies; only message in thread
From: Vasyl Gomonovych @ 2017-11-22 15:17 UTC (permalink / raw)
To: linux-arm-kernel
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 <gomonovych@gmail.com>
---
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
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2017-11-22 15:17 [PATCH] ARM: dma-mapping:Fix ifnullfree.cocci warnings Vasyl Gomonovych
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