4 files changed, 10 insertions, 0 deletions
diff --git a/drivers/video/atmel_lcdfb_core.c b/drivers/video/atmel_lcdfb_core.c
index 9748bba366..420ccbedf1 100644
--- a/drivers/video/atmel_lcdfb_core.c
+++ b/drivers/video/atmel_lcdfb_core.c
@@ -258,6 +258,8 @@ int atmel_lcdc_register(struct device_d *dev, struct atmel_lcdfb_devdata *data)
 	sinfo = xzalloc(sizeof(*sinfo));
 	sinfo->pdata = pdata;
 	sinfo->mmio = dev_request_mem_region(dev, 0);
+	if (IS_ERR(sinfo->mmio))
+		return PTR_ERR(sinfo->mmio);
 
 	sinfo->dev_data = data;
 
diff --git a/drivers/video/imx-ipu-fb.c b/drivers/video/imx-ipu-fb.c
index abac812cb6..a69df50811 100644
--- a/drivers/video/imx-ipu-fb.c
+++ b/drivers/video/imx-ipu-fb.c
@@ -1001,6 +1001,8 @@ static int imxfb_probe(struct device_d *dev)
 		return PTR_ERR(fbi->clk);
 
 	fbi->regs = dev_request_mem_region(dev, 0);
+	if (IS_ERR(fbi->regs))
+		return PTR_ERR(fbi->regs);
 	fbi->dev = dev;
 	fbi->enable = pdata->enable;
 	fbi->disp_data_fmt = pdata->disp_data_fmt;
diff --git a/drivers/video/imx.c b/drivers/video/imx.c
index b12c09c8cf..b1066e1243 100644
--- a/drivers/video/imx.c
+++ b/drivers/video/imx.c
@@ -544,6 +544,9 @@ static int imxfb_probe(struct device_d *dev)
 
 	fbi->mode = pdata->mode;
 	fbi->regs = dev_request_mem_region(dev, 0);
+	if (IS_ERR(fbi->regs))
+		return PTR_ERR(fbi->regs);
+
 	fbi->pcr = pdata->mode->pcr;
 	fbi->pwmr = pdata->pwmr;
 	fbi->lscr1 = pdata->lscr1;
diff --git a/drivers/video/pxa.c b/drivers/video/pxa.c
index b4ce3a1bf8..d6d11ae610 100644
--- a/drivers/video/pxa.c
+++ b/drivers/video/pxa.c
@@ -29,6 +29,7 @@
 #include <fb.h>
 #include <init.h>
 #include <malloc.h>
+#include <linux/err.h>
 
 #include <mach/clock.h>
 #include <mach/pxa-regs.h>
@@ -499,6 +500,8 @@ static int pxafb_probe(struct device_d *dev)
 
 	fbi->mode = pdata->mode;
 	fbi->regs = dev_request_mem_region(dev, 0);
+	if (IS_ERR(fbi->regs))
+		return PTR_ERR(fbi->regs);
 
 	fbi->dev = dev;
 	fbi->lcd_power = pdata->lcd_power;