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| author | Antony Pavlov <antonynpavlov@gmail.com> | 2014-07-31 19:11:32 +0400 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2014-08-01 07:35:51 +0200 |
| commit | 2145a2c0ba0de1299ab23b1c9e643e0fc1d2b704 (patch) | |
| tree | d4c0a79a121a1be484c465edee468ef650c8ec5f /drivers/watchdog | |
| parent | b549a26fc3088b85602caf412bebd16f9e3e8ae9 (diff) | |
| download | barebox-2145a2c0ba0de1299ab23b1c9e643e0fc1d2b704.tar.gz barebox-2145a2c0ba0de1299ab23b1c9e643e0fc1d2b704.tar.xz | |
watchdog: i.MX: check requested mem region in imx_wd_probe()
Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers/watchdog')
| -rw-r--r-- | drivers/watchdog/imxwd.c | 4 |
1 files changed, 4 insertions, 0 deletions
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; |