diff options
| author | Jia-Ju Bai <baijiaju1990@gmail.com> | 2022-02-25 15:52:30 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-03-19 15:47:49 +0300 |
| commit | 4051516d4b7944c68095c09002f4da00e0a664ce (patch) | |
| tree | 809cb4a7b232f2fe66a8f0c57f35b0c6d514161e /drivers/atm | |
| parent | 76e0b8e12c64637adf6083278345b347bfa6fc6b (diff) | |
| download | linux-4051516d4b7944c68095c09002f4da00e0a664ce.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 3bc3c314a467..4f67404fe64c 100644 --- a/drivers/atm/firestream.c +++ b/drivers/atm/firestream.c @@ -1676,6 +1676,8 @@ 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); |