From: Colin Ian King <[email protected]>
The array bounds check for index is currently off-by-one and should
be using >= rather than > on the upper bound. Fix this.
Addresses-Coverity: ("Out-of-bounds read")
Fixes: b3490673f905 ("drm/amd/powerplay: introduce the navi10 pptable
implementation")
Signed-off-by: Colin Ian King <[email protected]>
---
drivers/gpu/drm/amd/powerplay/navi10_ppt.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
index 27e5c80..f678700 100644
--- a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
+++ b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
@@ -210,7 +210,7 @@ static int navi10_workload_map[] = {
static int navi10_get_smu_msg_index(struct smu_context *smc, uint32_t index)
{
int val;
- if (index > SMU_MSG_MAX_COUNT)
+ if (index >= SMU_MSG_MAX_COUNT)
return -EINVAL;
val = navi10_message_map[index];
--
2.7.4
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