[PATCH] ndtest: Remove NULL test before vfree

[gushengxian]

From: gushengxian <gushengxian@xxxxxxxxxx>

This NULL test is redundant since vfree() checks for NULL.
Reported by Coccinelle.

Signed-off-by: gushengxian <gushengxian@xxxxxxxxxx>
---
 tools/testing/nvdimm/test/ndtest.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/testing/nvdimm/test/ndtest.c b/tools/testing/nvdimm/test/ndtest.c
index 6862915f1fb0..b1025c08ba92 100644
--- a/tools/testing/nvdimm/test/ndtest.c
+++ b/tools/testing/nvdimm/test/ndtest.c
@@ -487,8 +487,8 @@ 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;
-- 
2.25.1