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Date: Fri, 25 Feb 2022 04:52:30 -0800 From: Jia-Ju Bai <baijiaju1990@...il.com> To: 3chas3@...il.com Cc: linux-atm-general@...ts.sourceforge.net, netdev@...r.kernel.org, linux-kernel@...r.kernel.org, Jia-Ju Bai <baijiaju1990@...il.com> Subject: [PATCH] atm: firestream: check the return value of ioremap() in fs_init() 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> --- 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
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