drm/msm: fix potential NULL pointer dereference
The dereference to 'pdata' should be moved below the NULL test. Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
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@ -29,13 +29,14 @@
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static void bs_init(struct msm_gpu *gpu, struct platform_device *pdev)
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static void bs_init(struct msm_gpu *gpu, struct platform_device *pdev)
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{
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{
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struct drm_device *dev = gpu->dev;
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struct drm_device *dev = gpu->dev;
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struct kgsl_device_platform_data *pdata = pdev->dev.platform_data;
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struct kgsl_device_platform_data *pdata;
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if (!pdev) {
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if (!pdev) {
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dev_err(dev->dev, "could not find dtv pdata\n");
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dev_err(dev->dev, "could not find dtv pdata\n");
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return;
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return;
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}
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}
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pdata = pdev->dev.platform_data;
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if (pdata->bus_scale_table) {
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if (pdata->bus_scale_table) {
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gpu->bsc = msm_bus_scale_register_client(pdata->bus_scale_table);
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gpu->bsc = msm_bus_scale_register_client(pdata->bus_scale_table);
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DBG("bus scale client: %08x", gpu->bsc);
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DBG("bus scale client: %08x", gpu->bsc);
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