From: Zhang Changzhong <zhangchangzhong@huawei.com>
To: Kalle Valo <kvalo@codeaurora.org>,
"David S. Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>,
"John W. Linville" <linville@tuxdriver.com>,
Michael Wu <flamingice@sourmilk.net>
Cc: Zhang Changzhong <zhangchangzhong@huawei.com>,
<linux-wireless@vger.kernel.org>, <netdev@vger.kernel.org>,
<linux-kernel@vger.kernel.org>
Subject: [PATCH wireless] adm8211: fix error return code in adm8211_probe()
Date: Fri, 4 Dec 2020 16:47:17 +0800 [thread overview]
Message-ID: <1607071638-33619-1-git-send-email-zhangchangzhong@huawei.com> (raw)
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
next reply other threads:[~2020-12-04 8:44 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-04 8:47 Zhang Changzhong [this message]
2020-12-07 16:36 ` [PATCH wireless] adm8211: fix error return code in adm8211_probe() Kalle Valo
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