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path: root/drivers/video/fbdev/au1200fb.c
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Diffstat (limited to 'drivers/video/fbdev/au1200fb.c')
-rw-r--r--drivers/video/fbdev/au1200fb.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/video/fbdev/au1200fb.c b/drivers/video/fbdev/au1200fb.c
index 265d3b45efd0..d0335d4d5ab5 100644
--- a/drivers/video/fbdev/au1200fb.c
+++ b/drivers/video/fbdev/au1200fb.c
@@ -1040,6 +1040,9 @@ static int au1200fb_fb_check_var(struct fb_var_screeninfo *var,
u32 pixclock;
int screen_size, plane;
+ if (!var->pixclock)
+ return -EINVAL;
+
plane = fbdev->plane;
/* Make sure that the mode respect all LCD controller and
@@ -1729,6 +1732,9 @@ static int au1200fb_drv_probe(struct platform_device *dev)
/* Now hook interrupt too */
irq = platform_get_irq(dev, 0);
+ if (irq < 0)
+ return irq;
+
ret = request_irq(irq, au1200fb_handle_irq,
IRQF_SHARED, "lcd", (void *)dev);
if (ret) {