From 2145a2c0ba0de1299ab23b1c9e643e0fc1d2b704 Mon Sep 17 00:00:00 2001 From: Antony Pavlov Date: Thu, 31 Jul 2014 19:11:32 +0400 Subject: watchdog: i.MX: check requested mem region in imx_wd_probe() Signed-off-by: Antony Pavlov Signed-off-by: Sascha Hauer --- drivers/watchdog/imxwd.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'drivers/watchdog') diff --git a/drivers/watchdog/imxwd.c b/drivers/watchdog/imxwd.c index 63c5605c99..31c3d0d853 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; -- cgit v1.2.3