diff options
| author | Krzysztof Helt <krzysztof.h1@wp.pl> | 2009-04-14 01:39:55 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-04-14 02:04:30 +0400 |
| commit | 0efb2a03af7eddadb4d0db5f855b1614ba9b0a00 (patch) | |
| tree | 6cadf4f50fbdee402182c793c1b2239b4ac4a2c9 /drivers/video/cirrusfb.c | |
| parent | 697f619fc87aa9bf5b6c8c756f7ea54e950d5cd5 (diff) | |
| download | linux-0efb2a03af7eddadb4d0db5f855b1614ba9b0a00.tar.xz | |
cirrusfb: do not allow unsupported pixel depth
Do not allow modes with unsupported pixel depth. Otherwise, one can hang
a computer by setting incorrect value with fbset command.
Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/video/cirrusfb.c')
| -rw-r--r-- | drivers/video/cirrusfb.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/video/cirrusfb.c b/drivers/video/cirrusfb.c index d42e385f091c..4c2bf923418c 100644 --- a/drivers/video/cirrusfb.c +++ b/drivers/video/cirrusfb.c @@ -567,9 +567,7 @@ static int cirrusfb_check_var(struct fb_var_screeninfo *var, default: dev_dbg(info->device, "Unsupported bpp size: %d\n", var->bits_per_pixel); - assert(false); - /* should never occur */ - break; + return -EINVAL; } if (var->xres_virtual < var->xres) |