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Commit 6405141f authored by roel kluin's avatar roel kluin Committed by Linus Torvalds
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gbefb: unsigned var->pixclock cannot be less than 0 



unsigned var->pixclock cannot be less than 0

Signed-off-by: default avatarRoel Kluin <roel.kluin@gmail.com>
Cc: Krzysztof Helt <krzysztof.h1@poczta.fm>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 08cc6341

drivers/video/gbefb.c

+5 −2
Original line number Diff line number Diff line
@@ -912,6 +912,7 @@ static int gbefb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) 
{

	unsigned int line_length;

	struct gbe_timing_info timing;

	int ret;



	/* Limit bpp to 8, 16, and 32 */

	if (var->bits_per_pixel <= 8)
@@ -930,8 +931,10 @@ static int gbefb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) 


	var->grayscale = 0;	/* No grayscale for now */



	if ((var->pixclock = compute_gbe_timing(var, &timing)) < 0)

		return(-EINVAL);

	ret = compute_gbe_timing(var, &timing);

	var->pixclock = ret;

	if (ret < 0)

		return -EINVAL;



	/* Adjust virtual resolution, if necessary */

	if (var->xres > var->xres_virtual || (!ywrap && !ypan))