diff options
Diffstat (limited to 'drivers/net/wireless')
| -rw-r--r-- | drivers/net/wireless/quantenna/qtnfmac/pearl/pcie.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/net/wireless/quantenna/qtnfmac/pearl/pcie.c b/drivers/net/wireless/quantenna/qtnfmac/pearl/pcie.c index fd552d64f943..bfbcd0bf75bf 100644 --- a/drivers/net/wireless/quantenna/qtnfmac/pearl/pcie.c +++ b/drivers/net/wireless/quantenna/qtnfmac/pearl/pcie.c @@ -184,8 +184,10 @@ static void __iomem *qtnf_map_bar(struct qtnf_pcie_bus_priv *priv, u8 index) return IOMEM_ERR_PTR(ret); busaddr = pci_resource_start(priv->pdev, index); - vaddr = pcim_iomap_table(priv->pdev)[index]; len = pci_resource_len(priv->pdev, index); + vaddr = pcim_iomap_table(priv->pdev)[index]; + if (!vaddr) + return IOMEM_ERR_PTR(-ENOMEM); pr_debug("BAR%u vaddr=0x%p busaddr=%pad len=%u\n", index, vaddr, &busaddr, (int)len); @@ -248,19 +250,19 @@ static int qtnf_pcie_init_memory(struct qtnf_pcie_bus_priv *priv) int ret = -ENOMEM; priv->sysctl_bar = qtnf_map_bar(priv, QTN_SYSCTL_BAR); - if (IS_ERR_OR_NULL(priv->sysctl_bar)) { + if (IS_ERR(priv->sysctl_bar)) { pr_err("failed to map BAR%u\n", QTN_SYSCTL_BAR); return ret; } priv->dmareg_bar = qtnf_map_bar(priv, QTN_DMA_BAR); - if (IS_ERR_OR_NULL(priv->dmareg_bar)) { + if (IS_ERR(priv->dmareg_bar)) { pr_err("failed to map BAR%u\n", QTN_DMA_BAR); return ret; } priv->epmem_bar = qtnf_map_bar(priv, QTN_SHMEM_BAR); - if (IS_ERR_OR_NULL(priv->epmem_bar)) { + if (IS_ERR(priv->epmem_bar)) { pr_err("failed to map BAR%u\n", QTN_SHMEM_BAR); return ret; } |