diff options
| author | tom will <os@iscas.ac.cn> | 2016-05-16 10:31:07 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-05-02 21:19:48 -0700 |
| commit | 99e96ce5e3153b3543152d33b5773f34003a8892 (patch) | |
| tree | 1ac3c3368b7724c6b1ff3d24c00ee786c1bc7427 | |
| parent | 10fc325c03d2b68bdaa4180a1d5efdbf58c49846 (diff) | |
drm/amdgpu: fix array out of bounds
commit 484f689fc9d4eb91c68f53e97dc355b1b06c3edb upstream.
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>
Cc: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -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 7e9154c7f1db..d1c9525d81eb 100644 --- a/drivers/gpu/drm/amd/amdgpu/kv_dpm.c +++ b/drivers/gpu/drm/amd/amdgpu/kv_dpm.c @@ -2258,7 +2258,7 @@ 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; |