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drm/msm: fix potential NULL pointer dereference

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

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
This commit is contained in:
Wei Yongjun 2013-09-11 22:09:02 +08:00 committed by Rob Clark
parent 6b8819c811
commit aea6a64c38
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/msm/msm_gpu.c
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@ -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);