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p54: drop device reference count if fails to enable device

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commit 8149069db8 upstream.

The function p54p_probe takes an extra reference count of the PCI
device. However, the extra reference count is not dropped when it fails
to enable the PCI device. This patch fixes the bug.

Cc: stable@vger.kernel.org
Signed-off-by: Pan Bian <bianpan2016@163.com>
Acked-by: Christian Lamparter <chunkeey@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Pan Bian
2019-04-17 17:41:23 +08:00
committed by Chris
parent 7f2c97ac94
commit 136b90b8ee
1 changed files with 2 additions and 1 deletions
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3
drivers/net/wireless/intersil/p54/p54pci.c
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@@ -554,7 +554,7 @@ static int p54p_probe(struct pci_dev *pdev,
err = pci_enable_device(pdev);
if (err) {
dev_err(&pdev->dev, "Cannot enable new PCI device\n");
return err;
goto err_put;
}
mem_addr = pci_resource_start(pdev, 0);
@@ -639,6 +639,7 @@ static int p54p_probe(struct pci_dev *pdev,
pci_release_regions(pdev);
err_disable_dev:
pci_disable_device(pdev);
err_put:
pci_dev_put(pdev);
return err;
}