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Date: Wed, 9 Mar 2022 11:21:50 -0500 From: Sasha Levin <sashal@...nel.org> To: linux-kernel@...r.kernel.org, stable@...r.kernel.org Cc: Jia-Ju Bai <baijiaju1990@...il.com>, TOTE Robot <oslab@...nghua.edu.cn>, "David S . Miller" <davem@...emloft.net>, Sasha Levin <sashal@...nel.org>, 3chas3@...il.com, linux-atm-general@...ts.sourceforge.net, netdev@...r.kernel.org Subject: [PATCH AUTOSEL 5.10 12/20] atm: firestream: check the return value of ioremap() in fs_init() From: Jia-Ju Bai <baijiaju1990@...il.com> [ Upstream commit d4e26aaea7f82ba884dcb4acfe689406bc092dc3 ] The function ioremap() in fs_init() can fail, so its return value should be checked. Reported-by: TOTE Robot <oslab@...nghua.edu.cn> Signed-off-by: Jia-Ju Bai <baijiaju1990@...il.com> Signed-off-by: David S. Miller <davem@...emloft.net> Signed-off-by: Sasha Levin <sashal@...nel.org> --- drivers/atm/firestream.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/atm/firestream.c b/drivers/atm/firestream.c index 0ddd611b4277..43a34aee33b8 100644 --- a/drivers/atm/firestream.c +++ b/drivers/atm/firestream.c @@ -1675,6 +1675,8 @@ 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
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