linux-kernel - [PATCH 2/6] [media] cx24116: Return directly after a failed kmalloc() in cx24116

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Message-ID: <cf4109fe-9994-470a-88a1-c7a7a030f1e6@users.sourceforge.net>
Date:   Wed, 30 Aug 2017 09:20:12 +0200
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     linux-media@...r.kernel.org,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Max Kellermann <max.kellermann@...il.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: [PATCH 2/6] [media] cx24116: Return directly after a failed kmalloc()
 in cx24116_writeregN()

From: Markus Elfring <elfring@...rs.sourceforge.net>
Date: Wed, 30 Aug 2017 07:55:49 +0200

* Return directly after a call of the function "kmalloc" failed
  at the beginning.

* Delete the jump target "error" which became unnecessary
  with this refactoring.

Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
---
 drivers/media/dvb-frontends/cx24116.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/media/dvb-frontends/cx24116.c b/drivers/media/dvb-frontends/cx24116.c
index 96af4ffba0f9..69c156443b50 100644
--- a/drivers/media/dvb-frontends/cx24116.c
+++ b/drivers/media/dvb-frontends/cx24116.c
@@ -226,10 +226,8 @@ static int cx24116_writeregN(struct cx24116_state *state, int reg,
 	u8 *buf;
 
 	buf = kmalloc(len + 1, GFP_KERNEL);
-	if (buf == NULL) {
-		ret = -ENOMEM;
-		goto error;
-	}
+	if (!buf)
+		return -ENOMEM;
 
 	*(buf) = reg;
 	memcpy(buf + 1, data, len);
@@ -250,7 +248,6 @@ static int cx24116_writeregN(struct cx24116_state *state, int reg,
 		ret = -EREMOTEIO;
 	}
 
-error:
 	kfree(buf);
 
 	return ret;
-- 
2.14.1