Merge "msm: mhi_dev: Add proper check before accessing variable" (84773748) · Commits · e / devices / android_kernel_xiaomi_nabu

drivers/platform/msm/mhi_dev/mhi.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -323,6 +323,11 @@ static int mhi_trigger_msi_edma(struct mhi_dev_ring *ring, u32 idx)
		msi_buf->dma_addr,
		sizeof(u32),
		DMA_PREP_INTERRUPT);
		if (!descriptor) {
		pr_err("%s(): desc is null, MSI to Host failed\n", __func__);
		spin_unlock_irqrestore(&mhi_ctx->msi_lock, flags);
		return -EFAULT;
		}

		descriptor->callback_param = msi_buf;
		descriptor->callback = msi_trigger_completion_cb;