Message ID | 1551234375-6223-1-git-send-email-wdjjwb@163.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | ARM: dmabounce: NULL check before some freeing functions is | expand |
diff --git a/arch/arm/common/dmabounce.c b/arch/arm/common/dmabounce.c index 5ba4622..dd520a3 100644 --- a/arch/arm/common/dmabounce.c +++ b/arch/arm/common/dmabounce.c @@ -563,10 +563,8 @@ 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)
The function dma_pool_destroy(NULL) is safe, so removes NULL check before freeing the mem. This patch also fix the ifnullfree.cocci warnings. Signed-off-by: WangBo <wang.bo116@zte.com.cn> --- arch/arm/common/dmabounce.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-)