AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

drm/nouveau/bios: fix a potential NULL deref in the PROM shadowing function

Browse Source 
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Martin Peres <martin.peres@free.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Martin Peres 2014-04-03 22:12:41 +02:00 committed by Ben Skeggs
parent 9044fa60fd
commit 29ba8c8abf
1 changed files with 5 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
drivers/gpu/drm/nouveau/core/subdev/bios/base.c
View File

@ -183,10 +183,11 @@ nouveau_bios_shadow_prom(struct nouveau_bios *bios)
goto out;
bios->data = kmalloc(bios->size, GFP_KERNEL);
if (bios->data) {
for (i = 0; i < bios->size; i += 4)
((u32 *)bios->data)[i/4] = nv_rd32(bios, 0x300000 + i);
}
if (!bios->data)
goto out;
for (i = 0; i < bios->size; i += 4)
((u32 *)bios->data)[i/4] = nv_rd32(bios, 0x300000 + i);
/* check the PCI record header */
pcir = nv_ro16(bios, 0x0018);