evie/android_kernel_oneplus_msm8998
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Merge "msm: mdss: Fix potential NULL pointer dereference in mdss smmu driver"

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Linux Build Service Account 2017-01-05 02:08:48 -08:00 • committed by Gerrit - the friendly Code Review server
commit 9bcaa86e0c
1 changed files with 1 additions and 1 deletions
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drivers/video/fbdev/msm/mdss_smmu.h
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@ -247,7 +247,7 @@ static inline void mdss_smmu_dma_free_coherent(struct device *dev, size_t size,
void *cpu_addr, dma_addr_t phys, dma_addr_t iova, int domain)
{
struct mdss_data_type *mdata = mdss_mdp_get_mdata();
if (mdata->smmu_ops.smmu_dma_free_coherent)
if (mdata && mdata->smmu_ops.smmu_dma_free_coherent)
mdata->smmu_ops.smmu_dma_free_coherent(dev, size, cpu_addr,
phys, iova, domain);
}