pvr2fb: fix pseudo_palette array overrun and typecast

[safe/jmp/linux-2.6] / drivers / video / pvr2fb.c

diff --git a/drivers/video/pvr2fb.c b/drivers/video/pvr2fb.c
index 2ba959a..0f88c30 100644 (file)
--- a/drivers/video/pvr2fb.c
+++ b/drivers/video/pvr2fb.c
@@ -333,24 +333,25 @@ static int pvr2fb_setcolreg(unsigned int regno, unsigned int red,
                      ((blue  & 0xf800) >> 11);
 
                pvr2fb_set_pal_entry(par, regno, tmp);
-               ((u16*)(info->pseudo_palette))[regno] = tmp;
                break;
            case 24: /* RGB 888 */
                red >>= 8; green >>= 8; blue >>= 8;
-               ((u32*)(info->pseudo_palette))[regno] = (red << 16) | (green << 8) | blue;
+               tmp = (red << 16) | (green << 8) | blue;
                break;
            case 32: /* ARGB 8888 */
                red >>= 8; green >>= 8; blue >>= 8;
                tmp = (transp << 24) | (red << 16) | (green << 8) | blue;
 
                pvr2fb_set_pal_entry(par, regno, tmp);
-               ((u32*)(info->pseudo_palette))[regno] = tmp;
                break;
            default:
                pr_debug("Invalid bit depth %d?!?\n", info->var.bits_per_pixel);
                return 1;
        }
 
+       if (regno < 16)
+               ((u32*)(info->pseudo_palette))[regno] = tmp;
+
        return 0;
 }