linux-kernel - [RESEND PATCH v2 2/2] staging: iio: accel: add error check

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Message-Id: <1466624611-4494-2-git-send-email-luisbg@osg.samsung.com>
Date:	Wed, 22 Jun 2016 20:43:31 +0100
From:	Luis de Bethencourt <luisbg@....samsung.com>
To:	linux-kernel@...r.kernel.org
Cc:	gregkh@...uxfoundation.org, jic23@...nel.org, knaack.h@....de,
	lars@...afoo.de, pmeerw@...erw.net, ciorneiioana@...il.com,
	afd@...com, janani.rvchndrn@...il.com, linux-iio@...r.kernel.org,
	devel@...verdev.osuosl.org,
	Luis de Bethencourt <luisbg@....samsung.com>
Subject: [RESEND PATCH v2 2/2] staging: iio: accel: add error check

Go to error_ret if sca3000_read_ctrl_reg() failed.

Signed-off-by: Luis de Bethencourt <luisbg@....samsung.com>
---
 drivers/staging/iio/accel/sca3000_core.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/staging/iio/accel/sca3000_core.c b/drivers/staging/iio/accel/sca3000_core.c
index ec12181..b3f6dbf 100644
--- a/drivers/staging/iio/accel/sca3000_core.c
+++ b/drivers/staging/iio/accel/sca3000_core.c
@@ -1046,6 +1046,8 @@ static int sca3000_clean_setup(struct sca3000_state *st)
 
 	/* Disable ring buffer */
 	ret = sca3000_read_ctrl_reg(st, SCA3000_REG_CTRL_SEL_OUT_CTRL);
+	if (ret < 0)
+		goto error_ret;
 	ret = sca3000_write_ctrl_reg(st, SCA3000_REG_CTRL_SEL_OUT_CTRL,
 				     (ret & SCA3000_OUT_CTRL_PROT_MASK)
 				     | SCA3000_OUT_CTRL_BUF_X_EN
-- 
2.5.1