linux-kernel - [PATCH] ndtest: Remove redundant NULL check

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Date:   Sun, 13 Nov 2022 20:26:53 +0900
From:   Kang Minchul <tegongkang@...il.com>
To:     Dan Williams <dan.j.williams@...el.com>,
        Vishal Verma <vishal.l.verma@...el.com>,
        Dave Jiang <dave.jiang@...el.com>,
        Ira Weiny <ira.weiny@...el.com>
Cc:     nvdimm@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Kang Minchul <tegongkang@...il.com>
Subject: [PATCH] ndtest: Remove redundant NULL check

This addresses cocci warning as follows:
WARNING: NULL check before some freeing functions is not needed.

Signed-off-by: Kang Minchul <tegongkang@...il.com>
---
 tools/testing/nvdimm/test/ndtest.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/tools/testing/nvdimm/test/ndtest.c b/tools/testing/nvdimm/test/ndtest.c
index 01ceb98c15a0..de4bc34bc47b 100644
--- a/tools/testing/nvdimm/test/ndtest.c
+++ b/tools/testing/nvdimm/test/ndtest.c
@@ -370,8 +370,7 @@ static void *ndtest_alloc_resource(struct ndtest_priv *p, size_t size,
 buf_err:
 	if (__dma && size >= DIMM_SIZE)
 		gen_pool_free(ndtest_pool, __dma, size);
-	if (buf)
-		vfree(buf);
+	vfree(buf);
 	kfree(res);
 
 	return NULL;
-- 
2.34.1