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wan: pc300too: abort path on failure

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In function pc300_pci_init_one(), on the ioremap error path, function
pc300_pci_remove_one() is called to free the allocated memory. However,
the path is not terminated, and the freed memory will be used later,
resulting in use-after-free bugs. This path fixes the bug.

Signed-off-by: Pan Bian <bianpan2016@163.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pan Bian 2017-04-23 17:38:35 +08:00 committed by David S. Miller
parent 78302fd405
commit 2a39e7aa8a
1 changed files with 1 additions and 0 deletions
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drivers/net/wan/pc300too.c
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@ -346,6 +346,7 @@ static int pc300_pci_init_one(struct pci_dev *pdev,
card->rambase == NULL) {
pr_err("ioremap() failed\n");
pc300_pci_remove_one(pdev);
return -ENOMEM;
}
/* PLX PCI 9050 workaround for local configuration register read bug */