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| author | Jia-Ju Bai <baijiaju1990@gmail.com> | 2022-02-25 15:52:30 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-03-19 15:44:45 +0300 |
| commit | c5ea0221c8161350c61983479cb3d088fbf6ede4 (patch) | |
| tree | 43ca2e0a05b2d2a8baeb28a1881f2fdc77874ca2 /drivers/atm | |
| parent | efdd92c18ed4f39602d50dbc4a9d918109715b8d (diff) | |
| download | linux-c5ea0221c8161350c61983479cb3d088fbf6ede4.tar.xz | |
atm: firestream: check the return value of ioremap() in fs_init()
[ 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>
Diffstat (limited to 'drivers/atm')
| -rw-r--r-- | drivers/atm/firestream.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/atm/firestream.c b/drivers/atm/firestream.c index 0ddd611b4277..43a34aee33b8 100644 --- a/drivers/atm/firestream.c +++ b/drivers/atm/firestream.c @@ -1675,6 +1675,8 @@ 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); |