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| author | Jia-Ju Bai <baijiaju1990@gmail.com> | 2022-02-25 04:52:30 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-03-23 09:10:41 +0100 |
| commit | ebaa6c0e1bb18bd9d5bd26d0b1aae22d6d0f0915 (patch) | |
| tree | 9ed9a6563f074a427a06b143d941320464221403 | |
| parent | f2462e036388724d021e789574ec4ffd2af19c16 (diff) | |
| download | linux-stable-ebaa6c0e1bb18bd9d5bd26d0b1aae22d6d0f0915.tar.gz linux-stable-ebaa6c0e1bb18bd9d5bd26d0b1aae22d6d0f0915.tar.bz2 linux-stable-ebaa6c0e1bb18bd9d5bd26d0b1aae22d6d0f0915.zip | |
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>
| -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 ef395b238816..f7880012b9a0 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); |