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tty: Fix a possible resource leak in icom_probe

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[ Upstream commit ee157a79e7c82b01ae4c25de0ac75899801f322c ]

When pci_read_config_dword failed, call pci_release_regions() and
pci_disable_device() to recycle the resource previously allocated.

Reviewed-by: Jiri Slaby <jirislaby@kernel.org>
Signed-off-by: Huang Guobin <huangguobin4@huawei.com>
Link: https://lore.kernel.org/r/20220331091005.3290753-1-huangguobin4@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Huang Guobin 2022-03-31 17:10:05 +08:00 committed by Greg Kroah-Hartman
parent f6e07eb7eb
commit 8c014373f1
1 changed files with 1 additions and 1 deletions
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2
drivers/tty/serial/icom.c
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@ -1499,7 +1499,7 @@ static int icom_probe(struct pci_dev *dev,
retval = pci_read_config_dword(dev, PCI_COMMAND, &command_reg);
if (retval) {
dev_err(&dev->dev, "PCI Config read FAILED\n");
return retval;
goto probe_exit0;
}
pci_write_config_dword(dev, PCI_COMMAND,