[PATCH] fjes: Delete an unnecessary check before the function call "vfree"

From	SF Markus Elfring <elfring@users.sourceforge.net>
Newsgroups	linux.kernel
Subject	[PATCH] fjes: Delete an unnecessary check before the function call "vfree"
Date	2015-11-06 09:40 +0100
Message-ID	<qrKIV-26Z-15@gated-at.bofh.it> (permalink)
References	(12 earlier) <mSsDN-4wa-59@gated-at.bofh.it> <mSsDN-4wa-61@gated-at.bofh.it> <mSsDN-4wa-63@gated-at.bofh.it> <mSsDN-4wa-65@gated-at.bofh.it> <mSsDN-4wa-33@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Show all headers | View raw

From: Markus Elfring <elfring@users.sourceforge.net>
Date: Fri, 6 Nov 2015 09:30:29 +0100

The vfree() function performs also input parameter validation.
Thus the test around the call is not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---
 drivers/net/fjes/fjes_hw.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/net/fjes/fjes_hw.c b/drivers/net/fjes/fjes_hw.c
index 2d3848c..bb8b530 100644
--- a/drivers/net/fjes/fjes_hw.c
+++ b/drivers/net/fjes/fjes_hw.c
@@ -143,9 +143,7 @@ static int fjes_hw_alloc_epbuf(struct epbuf_handler *epbh)
 
 static void fjes_hw_free_epbuf(struct epbuf_handler *epbh)
 {
-	if (epbh->buffer)
-		vfree(epbh->buffer);
-
+	vfree(epbh->buffer);
 	epbh->buffer = NULL;
 	epbh->size = 0;
 
-- 
2.6.2

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Back to linux.kernel | Previous | Next — Next in thread | Find similar | Unroll thread

Thread

[PATCH] fjes: Delete an unnecessary check before the function call  "vfree" SF Markus Elfring <elfring@users.sourceforge.net> - 2015-11-06 09:40 +0100
  Re: [PATCH] fjes: Delete an unnecessary check before the function  call "vfree" David Miller <davem@davemloft.net> - 2015-11-07 19:20 +0100

csiph-web