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-rw-r--r--drivers/gpu/drm/radeon/evergreen_cs.c2
-rw-r--r--drivers/gpu/drm/radeon/r600_cs.c3
2 files changed, 2 insertions, 3 deletions
diff --git a/drivers/gpu/drm/radeon/evergreen_cs.c b/drivers/gpu/drm/radeon/evergreen_cs.c
index 189e86522b5..a134790903d 100644
--- a/drivers/gpu/drm/radeon/evergreen_cs.c
+++ b/drivers/gpu/drm/radeon/evergreen_cs.c
@@ -428,7 +428,7 @@ static inline int evergreen_cs_check_reg(struct radeon_cs_parser *p, u32 reg, u3
last_reg = ARRAY_SIZE(evergreen_reg_safe_bm);
i = (reg >> 7);
- if (i > last_reg) {
+ if (i >= last_reg) {
dev_warn(p->dev, "forbidden register 0x%08x at %d\n", reg, idx);
return -EINVAL;
}
diff --git a/drivers/gpu/drm/radeon/r600_cs.c b/drivers/gpu/drm/radeon/r600_cs.c
index db8ef1905d5..cf83aa05a68 100644
--- a/drivers/gpu/drm/radeon/r600_cs.c
+++ b/drivers/gpu/drm/radeon/r600_cs.c
@@ -915,12 +915,11 @@ static inline int r600_cs_check_reg(struct radeon_cs_parser *p, u32 reg, u32 idx
{
struct r600_cs_track *track = (struct r600_cs_track *)p->track;
struct radeon_cs_reloc *reloc;
- u32 last_reg = ARRAY_SIZE(r600_reg_safe_bm);
u32 m, i, tmp, *ib;
int r;
i = (reg >> 7);
- if (i > last_reg) {
+ if (i >= ARRAY_SIZE(r600_reg_safe_bm)) {
dev_warn(p->dev, "forbidden register 0x%08x at %d\n", reg, idx);
return -EINVAL;
}