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authorJia-Ju Bai <baijiaju1990@gmail.com>2022-02-25 04:52:30 -0800
committerDavid S. Miller <davem@davemloft.net>2022-02-28 11:36:01 +0000
commitd4e26aaea7f82ba884dcb4acfe689406bc092dc3 (patch)
tree382537afbc5d07c903391228a17dfa2734c9db59
parent90d4025285748448809701a44cf466a3f5443eaa (diff)
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@tsinghua.edu.cn> Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/atm/firestream.c2
1 files changed, 2 insertions, 0 deletions
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);