Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 4.14 09/22] atm: firestream: check the return value of ioremap() in fs_init() | Date | Mon, 21 Mar 2022 14:51:40 +0100 |
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From: Jia-Ju Bai <baijiaju1990@gmail.com>
[ 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> --- drivers/atm/firestream.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/atm/firestream.c b/drivers/atm/firestream.c index e7cffd0cc361..3557ff9ecd82 100644 --- a/drivers/atm/firestream.c +++ b/drivers/atm/firestream.c @@ -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); -- 2.34.1
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