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authorroel kluin <roel.kluin@gmail.com>2009-01-06 14:42:31 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-01-06 15:59:26 -0800
commit6405141fb3d06ec4a50d054a113e3317cad054f9 (patch)
treec7b9f3b93b0c6016f1e20b03db3ea9e9bae1cedc /drivers
parent08cc6341cc04fad45c28995db796317b5b413045 (diff)
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gbefb: unsigned var->pixclock cannot be less than 0
unsigned var->pixclock cannot be less than 0 Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Cc: Krzysztof Helt <krzysztof.h1@poczta.fm> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/video/gbefb.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/video/gbefb.c b/drivers/video/gbefb.c
index f89c3cc..fe5b519 100644
--- a/drivers/video/gbefb.c
+++ b/drivers/video/gbefb.c
@@ -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))