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path: root/drivers/video/matrox/matroxfb_base.c
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Diffstat (limited to 'drivers/video/matrox/matroxfb_base.c')
-rw-r--r--drivers/video/matrox/matroxfb_base.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/video/matrox/matroxfb_base.c b/drivers/video/matrox/matroxfb_base.c
index c8559a756b7..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) |
@@ -1994,7 +1998,6 @@ static void matroxfb_unregister_device(struct matrox_fb_info* minfo) {
static int matroxfb_probe(struct pci_dev* pdev, const struct pci_device_id* dummy) {
struct board* b;
- u_int8_t rev;
u_int16_t svid;
u_int16_t sid;
struct matrox_fb_info* minfo;
@@ -2005,11 +2008,10 @@ static int matroxfb_probe(struct pci_dev* pdev, const struct pci_device_id* dumm
#endif
DBG(__FUNCTION__)
- pci_read_config_byte(pdev, PCI_REVISION_ID, &rev);
svid = pdev->subsystem_vendor;
sid = pdev->subsystem_device;
for (b = dev_list; b->vendor; b++) {
- if ((b->vendor != pdev->vendor) || (b->device != pdev->device) || (b->rev < rev)) continue;
+ if ((b->vendor != pdev->vendor) || (b->device != pdev->device) || (b->rev < pdev->revision)) continue;
if (b->svid)
if ((b->svid != svid) || (b->sid != sid)) continue;
break;