* [PATCH] ARM: dmabounce: remove unnecessary NULL check before dma_pool_destroy
@ 2018-08-03 6:26 YueHaibing
0 siblings, 0 replies; only message in thread
From: YueHaibing @ 2018-08-03 6:26 UTC (permalink / raw)
To: linux; +Cc: linux-kernel, linux-arm-kernel, YueHaibing
dma_pool_destroy will do NULL check,thus the check before
the call is not needed.
Signed-off-by: YueHaibing <yuehaibing@huawei.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 9a92de6..dcdd80c 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)
--
2.7.0
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