adm8211: fix error return code in adm8211_probe()
authorZhang Changzhong <zhangchangzhong@huawei.com>
Fri, 4 Dec 2020 08:47:17 +0000 (16:47 +0800)
committerKalle Valo <kvalo@codeaurora.org>
Mon, 7 Dec 2020 16:35:43 +0000 (18:35 +0200)
Fix to return a negative error code from the error handling
case instead of 0, as done elsewhere in this function.

Fixes: cc0b88cf5ecf ("[PATCH] Add adm8211 802.11b wireless driver")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/1607071638-33619-1-git-send-email-zhangchangzhong@huawei.com
drivers/net/wireless/admtek/adm8211.c

index 5cf2045..c41e725 100644 (file)
@@ -1796,6 +1796,7 @@ static int adm8211_probe(struct pci_dev *pdev,
        if (io_len < 256 || mem_len < 1024) {
                printk(KERN_ERR "%s (adm8211): Too short PCI resources\n",
                       pci_name(pdev));
+               err = -ENOMEM;
                goto err_disable_pdev;
        }
 
@@ -1805,6 +1806,7 @@ static int adm8211_probe(struct pci_dev *pdev,
        if (reg != ADM8211_SIG1 && reg != ADM8211_SIG2) {
                printk(KERN_ERR "%s (adm8211): Invalid signature (0x%x)\n",
                       pci_name(pdev), reg);
+               err = -EINVAL;
                goto err_disable_pdev;
        }
 
@@ -1815,8 +1817,8 @@ static int adm8211_probe(struct pci_dev *pdev,
                return err; /* someone else grabbed it? don't disable it */
        }
 
-       if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)) ||
-           dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32))) {
+       err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
+       if (err) {
                printk(KERN_ERR "%s (adm8211): No suitable DMA available\n",
                       pci_name(pdev));
                goto err_free_reg;