diff options
Diffstat (limited to 'drivers/pci/controller')
| -rw-r--r-- | drivers/pci/controller/pcie-rcar.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/pci/controller/pcie-rcar.c b/drivers/pci/controller/pcie-rcar.c index a25527185bf1..0004b6457124 100644 --- a/drivers/pci/controller/pcie-rcar.c +++ b/drivers/pci/controller/pcie-rcar.c @@ -929,6 +929,10 @@ static int rcar_pcie_enable_msi(struct rcar_pcie *pcie) /* setup MSI data target */ msi->pages = __get_free_pages(GFP_KERNEL, 0); + if (!msi->pages) { + err = -ENOMEM; + goto err; + } base = virt_to_phys((void *)msi->pages); rcar_pci_write_reg(pcie, lower_32_bits(base) | MSIFE, PCIEMSIALR); |