[PATCH 3/5] drm/msm/gpu: Set number of clocks to 0 if the list allocation fails

[Jordan Crouse]

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 at codeaurora.org>
---
 drivers/gpu/drm/msm/msm_gpu.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/msm/msm_gpu.c b/drivers/gpu/drm/msm/msm_gpu.c
index bd376f9..2a80efd 100644
--- a/drivers/gpu/drm/msm/msm_gpu.c
+++ b/drivers/gpu/drm/msm/msm_gpu.c
@@ -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);
-- 
1.9.1