| From b9203515aa7bb6e1ed35f0e9bca34ff564e49945 Mon Sep 17 00:00:00 2001 |
| From: Sasha Levin <sashal@kernel.org> |
| Date: Fri, 25 Feb 2022 04:52:30 -0800 |
| Subject: atm: firestream: check the return value of ioremap() in fs_init() |
| |
| 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 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); |
| |
| -- |
| 2.34.1 |
| |
