From ed6e965824303255cacc1c1a195d3684caa26bce Mon Sep 17 00:00:00 2001 From: Sascha Hauer Date: Thu, 31 Jul 2014 10:38:08 +0200 Subject: resource: Let dev_request_mem_region return an error pointer For all users fix or add the error check. Signed-off-by: Sascha Hauer --- drivers/watchdog/im28wd.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers/watchdog') diff --git a/drivers/watchdog/im28wd.c b/drivers/watchdog/im28wd.c index dd66e12fc0..3e73ecd62e 100644 --- a/drivers/watchdog/im28wd.c +++ b/drivers/watchdog/im28wd.c @@ -22,6 +22,7 @@ #include #include #include +#include #define MXS_RTC_CTRL 0x0 #define MXS_RTC_SET_ADDR 0x4 @@ -186,6 +187,8 @@ static int imx28_wd_probe(struct device_d *dev) priv = xzalloc(sizeof(struct imx28_wd)); priv->regs = dev_request_mem_region(dev, 0); + if (IS_ERR(priv->regs)) + return PTR_ERR(priv->regs); priv->wd.set_timeout = imx28_watchdog_set_timeout; if (!(readl(priv->regs + MXS_RTC_STAT) & MXS_RTC_STAT_WD_PRESENT)) { -- cgit v1.2.3