From a8efd58815a8d8bdca409a4b8319281cd9c24f7f Mon Sep 17 00:00:00 2001 From: tom will Date: Sun, 15 May 2016 21:58:11 -0700 Subject: [PATCH] drm/radeon: 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. Signed-off-by: tom will Signed-off-by: Alex Deucher --- drivers/gpu/drm/radeon/kv_dpm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/radeon/kv_dpm.c b/drivers/gpu/drm/radeon/kv_dpm.c index d0240743a17c..a7e978677937 100644 --- a/drivers/gpu/drm/radeon/kv_dpm.c +++ b/drivers/gpu/drm/radeon/kv_dpm.c @@ -2164,7 +2164,7 @@ static void kv_apply_state_adjust_rules(struct radeon_device *rdev, 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; -- 2.20.1