[PATCH] firmware-gsmi: Delete an unnecessary check before the function call "dma_pool_destroy"

From: SF Markus Elfring
Date: Sun Jul 24 2016 - 04:28:35 EST


From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Sun, 24 Jul 2016 10:16:56 +0200

The dma_pool_destroy() function tests whether its argument is NULL
and then returns immediately. Thus the test around the call is not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
drivers/firmware/google/gsmi.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/firmware/google/gsmi.c b/drivers/firmware/google/gsmi.c
index f1ab05e..c463871 100644
--- a/drivers/firmware/google/gsmi.c
+++ b/drivers/firmware/google/gsmi.c
@@ -910,8 +910,7 @@ out_err:
gsmi_buf_free(gsmi_dev.param_buf);
gsmi_buf_free(gsmi_dev.data_buf);
gsmi_buf_free(gsmi_dev.name_buf);
- if (gsmi_dev.dma_pool)
- dma_pool_destroy(gsmi_dev.dma_pool);
+ dma_pool_destroy(gsmi_dev.dma_pool);
platform_device_unregister(gsmi_dev.pdev);
pr_info("gsmi: failed to load: %d\n", ret);
return ret;
--
2.9.2