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Commit aea6a64c authored by Wei Yongjun's avatar Wei Yongjun Committed by Rob Clark
Browse files

drm/msm: fix potential NULL pointer dereference 



The dereference to 'pdata' should be moved below the NULL test.

Signed-off-by: default avatarWei Yongjun <yongjun_wei@trendmicro.com.cn>
parent 6b8819c8

drivers/gpu/drm/msm/msm_gpu.c

+2 −1
Original line number Diff line number Diff line
@@ -29,13 +29,14 @@ 
static void bs_init(struct msm_gpu *gpu, struct platform_device *pdev)

{

	struct drm_device *dev = gpu->dev;

	struct kgsl_device_platform_data *pdata = pdev->dev.platform_data;

	struct kgsl_device_platform_data *pdata;



	if (!pdev) {

		dev_err(dev->dev, "could not find dtv pdata\n");

		return;

	}



	pdata = pdev->dev.platform_data;

	if (pdata->bus_scale_table) {

		gpu->bsc = msm_bus_scale_register_client(pdata->bus_scale_table);

		DBG("bus scale client: %08x", gpu->bsc);