diff options
| author | tom will <os@iscas.ac.cn> | 2016-05-16 10:31:07 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-05-16 10:31:07 -0400 |
| commit | 484f689fc9d4eb91c68f53e97dc355b1b06c3edb (patch) | |
| tree | 2bd9ca7344ba2c2f62e84c4d0320dd605884ef05 /drivers/gpu/drm/amd/amdgpu | |
| parent | a8efd58815a8d8bdca409a4b8319281cd9c24f7f (diff) | |
| download | lwn-484f689fc9d4eb91c68f53e97dc355b1b06c3edb.tar.gz lwn-484f689fc9d4eb91c68f53e97dc355b1b06c3edb.zip | |
drm/amdgpu: fix array out of bounds
When the initial value of i is greater than zero,
it may cause endless loop, resulting in array out
of bounds, fix it.
This is a port of the radeon fix to amdgpu.
Signed-off-by: tom will <os@iscas.ac.cn>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/kv_dpm.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/kv_dpm.c b/drivers/gpu/drm/amd/amdgpu/kv_dpm.c index b45f54714574..a789a863d677 100644 --- a/drivers/gpu/drm/amd/amdgpu/kv_dpm.c +++ b/drivers/gpu/drm/amd/amdgpu/kv_dpm.c @@ -2252,7 +2252,7 @@ static void kv_apply_state_adjust_rules(struct amdgpu_device *adev, if (pi->caps_stable_p_state) { stable_p_state_sclk = (max_limits->sclk * 75) / 100; - for (i = table->count - 1; i >= 0; i++) { + for (i = table->count - 1; i >= 0; i--) { if (stable_p_state_sclk >= table->entries[i].clk) { stable_p_state_sclk = table->entries[i].clk; break; |