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From: Antony Pavlov <antonynpavlov@gmail.com>
To: barebox@lists.infradead.org
Subject: [PATCH v2 2/2] watchdog: i.MX: check requested mem region in imx_wd_probe()
Date: Thu, 31 Jul 2014 19:11:32 +0400	[thread overview]
Message-ID: <1406819492-9923-2-git-send-email-antonynpavlov@gmail.com> (raw)
In-Reply-To: <1406819492-9923-1-git-send-email-antonynpavlov@gmail.com>

Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
---
 drivers/watchdog/imxwd.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/watchdog/imxwd.c b/drivers/watchdog/imxwd.c
index 63c5605..31c3d0d 100644
--- a/drivers/watchdog/imxwd.c
+++ b/drivers/watchdog/imxwd.c
@@ -159,6 +159,10 @@ static int imx_wd_probe(struct device_d *dev)
 
 	priv = xzalloc(sizeof(struct imx_wd));
 	priv->base = dev_request_mem_region(dev, 0);
+	if (!priv->base) {
+		dev_err(dev, "could not get memory region\n");
+		return -ENODEV;
+	}
 	priv->set_timeout = fn;
 	priv->wd.set_timeout = imx_watchdog_set_timeout;
 	priv->dev = dev;
-- 
2.0.1


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      reply	other threads:[~2014-07-31 15:12 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-07-31 15:11 [PATCH v2 1/2] watchdog: add minimal jz4740 driver Antony Pavlov
2014-07-31 15:11 ` Antony Pavlov [this message]

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