diff options
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/bios/pll.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/pll.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/pll.c index 125ec2ed6c2e..4cd3d6502e20 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/pll.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/pll.c @@ -156,7 +156,7 @@ pll_map_reg(struct nvkm_bios *bios, u32 reg, u32 *type, u8 *ver, u8 *len) } map = pll_map(bios); - while (map->reg) { + while (map && map->reg) { if (map->reg == reg && *ver >= 0x20) { u16 addr = (data += hdr); *type = map->type; @@ -198,7 +198,7 @@ pll_map_type(struct nvkm_bios *bios, u8 type, u32 *reg, u8 *ver, u8 *len) } map = pll_map(bios); - while (map->reg) { + while (map && map->reg) { if (map->type == type && *ver >= 0x20) { u16 addr = (data += hdr); *reg = map->reg; |