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From 4414123c959628858b2974ba0d94e863e0bb47d8 Mon Sep 17 00:00:00 2001 |
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From: Sasha Levin <sashal@kernel.org> |
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Date: Fri, 25 Feb 2022 04:52:30 -0800 |
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Subject: atm: firestream: check the return value of ioremap() in fs_init() |
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|
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From: Jia-Ju Bai <baijiaju1990@gmail.com> |
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|
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[ Upstream commit d4e26aaea7f82ba884dcb4acfe689406bc092dc3 ] |
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|
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The function ioremap() in fs_init() can fail, so its return value should |
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be checked. |
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|
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Reported-by: TOTE Robot <oslab@tsinghua.edu.cn> |
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Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com> |
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Signed-off-by: David S. Miller <davem@davemloft.net> |
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Signed-off-by: Sasha Levin <sashal@kernel.org> |
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--- |
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drivers/atm/firestream.c | 2 ++ |
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1 file changed, 2 insertions(+) |
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|
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diff --git a/drivers/atm/firestream.c b/drivers/atm/firestream.c |
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index 3bc3c314a467..4f67404fe64c 100644 |
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--- a/drivers/atm/firestream.c |
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+++ b/drivers/atm/firestream.c |
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@@ -1676,6 +1676,8 @@ static int fs_init(struct fs_dev *dev) |
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dev->hw_base = pci_resource_start(pci_dev, 0); |
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|
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dev->base = ioremap(dev->hw_base, 0x1000); |
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+ if (!dev->base) |
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+ return 1; |
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|
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reset_chip (dev); |
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|
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-- |
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2.34.1 |
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