diff options
Diffstat (limited to 'drivers/video/matrox/matroxfb_base.c')
| -rw-r--r-- | drivers/video/matrox/matroxfb_base.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/video/matrox/matroxfb_base.c b/drivers/video/matrox/matroxfb_base.c index 886e475f22f..86ca7b17900 100644 --- a/drivers/video/matrox/matroxfb_base.c +++ b/drivers/video/matrox/matroxfb_base.c @@ -679,6 +679,8 @@ static int matroxfb_setcolreg(unsigned regno, unsigned red, unsigned green, mga_outb(M_DAC_VAL, blue); break; case 16: + if (regno >= 16) + break; { u_int16_t col = (red << ACCESS_FBINFO(fbcon).var.red.offset) | @@ -690,6 +692,8 @@ static int matroxfb_setcolreg(unsigned regno, unsigned red, unsigned green, break; case 24: case 32: + if (regno >= 16) + break; ACCESS_FBINFO(cmap[regno]) = (red << ACCESS_FBINFO(fbcon).var.red.offset) | (green << ACCESS_FBINFO(fbcon).var.green.offset) | |