Commit ebaa6c0e authored Feb 25, 2022 by Jia-Ju Bai Committed by Greg Kroah-Hartman Mar 23, 2022

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>

parent f2462e03

drivers/atm/firestream.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -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);