[PATCH wireless] adm8211: fix error return code in adm8211_probe()

[PATCH wireless] adm8211: fix error return code in adm8211_probe()

[Zhang Changzhong]

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>
---
 drivers/net/wireless/admtek/adm8211.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/admtek/adm8211.c b/drivers/net/wireless/admtek/adm8211.c
index 5cf2045..c41e725 100644
--- a/drivers/net/wireless/admtek/adm8211.c
+++ b/drivers/net/wireless/admtek/adm8211.c
@@ -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;
-- 
2.9.5

Re: [PATCH wireless] adm8211: fix error return code in adm8211_probe()

[Kalle Valo]

Zhang Changzhong <zhangchangzhong@huawei.com> wrote:

> 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>

Patch applied to wireless-drivers-next.git, thanks.

05c2a61d69ea adm8211: fix error return code in adm8211_probe()

-- 
https://patchwork.kernel.org/project/linux-wireless/patch/1607071638-33619-1-git-send-email-zhangchangzhong@huawei.com/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches