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PCI: dw: rockchip: Fix rk_pcie_init_dma_trx

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If dma_object is not used, NULL pointer dereference was found.

Fixes: 52729bfaff ("PCI: rockchip: dw: Move dma_obj initialization into rk_pcie_init_dma_trx()")
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Change-Id: I5fe8ec539af1188b5da806026f164a493a577c46
This commit is contained in:
Shawn Lin
2024-10-14 15:47:31 +08:00
parent 5ef6efa7e5
commit 10cf4c97fd
1 changed files with 2 additions and 0 deletions
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2
drivers/pci/controller/dwc/pcie-dw-rockchip.c
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@@ -553,6 +553,8 @@ static int rk_pcie_init_dma_trx(struct rk_pcie *rk_pcie)
if (IS_ERR(rk_pcie->dma_obj)) {
dev_err(rk_pcie->pci->dev, "failed to prepare dmatest\n");
return -EINVAL;
} else if (!rk_pcie->dma_obj) { /* !CONFIG_ROCKCHIP_PCIE_DMA_OBJ */
return 0;
}
/* Enable client write and read interrupt */