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atm: firestream: check the return value of ioremap() in fs_init()

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[ Upstream commit d4e26aaea7f82ba884dcb4acfe689406bc092dc3 ]

The function ioremap() in fs_init() can fail, so its return value should
be checked.

Reported-by: TOTE Robot <oslab@tsinghua.edu.cn>
Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Jia-Ju Bai 2022-02-25 04:52:30 -08:00 committed by Greg Kroah-Hartman
parent 53207668e4
commit 7cf4345b97
1 changed files with 2 additions and 0 deletions
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2
drivers/atm/firestream.c
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@ -1692,6 +1692,8 @@ static int fs_init(struct fs_dev *dev)
dev->hw_base = pci_resource_start(pci_dev, 0);
dev->base = ioremap(dev->hw_base, 0x1000);
if (!dev->base)
return 1;
reset_chip (dev);