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>
---
 drivers/atm/firestream.c | 2 ++
 1 file changed, 2 insertions(+)

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);
   
-- 
2.17.1

Hello:

This patch was applied to netdev/net.git (master)
by David S. Miller <davem@davemloft.net>:

On Fri, 25 Feb 2022 04:52:30 -0800 you wrote:
> 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>
> ---
>  drivers/atm/firestream.c | 2 ++
>  1 file changed, 2 insertions(+)

Here is the summary with links:
  - atm: firestream: check the return value of ioremap() in fs_init()
    https://git.kernel.org/netdev/net/c/d4e26aaea7f8

You are awesome, thank you!
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