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drm/msm/gpu: Set number of clocks to 0 if the list allocation fails 

If we fail to allocate gpu->grp_clks reset the number of available
clocks to zero to avoid referencing the missing array later.

Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
This commit is contained in:
Jordan Crouse 2018-01-22 11:10:45 -07:00 committed by Rob Clark
parent dc9a9b3205
commit 9d20a0e6a8
1 changed files with 3 additions and 1 deletions
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4
drivers/gpu/drm/msm/msm_gpu.c
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@ -682,8 +682,10 @@ static int get_clocks(struct platform_device *pdev, struct msm_gpu *gpu)
gpu->grp_clks = devm_kcalloc(dev, sizeof(struct clk *), gpu->nr_clocks,
GFP_KERNEL);
if (!gpu->grp_clks)
if (!gpu->grp_clks) {
gpu->nr_clocks = 0;
return -ENOMEM;
}
of_property_for_each_string(dev->of_node, "clock-names", prop, name) {
gpu->grp_clks[i] = get_clock(dev, name);