diff options
| author | Jia-Ju Bai <baijiaju1990@gmail.com> | 2022-02-25 04:52:30 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-03-19 13:40:17 +0100 |
| commit | 51969ebe7f97f86a13f523b35325d069c86aa5cb (patch) | |
| tree | 835decf3736bf24a0cad691888bf6db1e838432b /drivers/atm/firestream.c | |
| parent | 23352749f0b21f9d2ac0e51ca01f1e295b7704bb (diff) | |
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/firestream.c')
| -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 5acb45985675..8995c39330fa 100644 --- a/drivers/atm/firestream.c +++ b/drivers/atm/firestream.c @@ -1677,6 +1677,8 @@ 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); |