Commit d1d608ce authored by Haowen Bai's avatar Haowen Bai Committed by Helge Deller
Browse files

video: fbdev: sis: fix potential NULL dereference in sisfb_post_sis300() 



Do no access bios[] if it's NULL.

Signed-off-by: default avatarHaowen Bai <baihaowen@meizu.com>
Signed-off-by: default avatarHelge Deller <deller@gmx.de>
parent b23e868d

drivers/video/fbdev/sis/sis_main.c

+1 −1
Original line number Diff line number Diff line
@@ -4463,7 +4463,7 @@ static void sisfb_post_sis300(struct pci_dev *pdev) 
		SiS_SetReg(SISCR, 0x37, 0x02);

		SiS_SetReg(SISPART2, 0x00, 0x1c);

		v4 = 0x00; v5 = 0x00; v6 = 0x10;

		if(ivideo->SiS_Pr.UseROM) {

		if (ivideo->SiS_Pr.UseROM && bios) {

			v4 = bios[0xf5];

			v5 = bios[0xf6];

			v6 = bios[0xf7];