From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: linux-kernel@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
stable@vger.kernel.org, TOTE Robot <oslab@tsinghua.edu.cn>,
Jia-Ju Bai <baijiaju1990@gmail.com>,
"David S. Miller" <davem@davemloft.net>,
Sasha Levin <sashal@kernel.org>
Subject: [PATCH 4.9 06/16] atm: firestream: check the return value of ioremap() in fs_init()
Date: Mon, 21 Mar 2022 14:51:36 +0100 [thread overview]
Message-ID: <20220321133216.837289788@linuxfoundation.org> (raw)
In-Reply-To: <20220321133216.648316863@linuxfoundation.org>
From: Jia-Ju Bai <baijiaju1990@gmail.com>
[ 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>
---
drivers/atm/firestream.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/atm/firestream.c b/drivers/atm/firestream.c
index 7cb2b863e653..7d74b7e1a837 100644
--- a/drivers/atm/firestream.c
+++ b/drivers/atm/firestream.c
@@ -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);
--
2.34.1
next prev parent reply other threads:[~2022-03-21 13:54 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-21 13:51 [PATCH 4.9 00/16] 4.9.308-rc1 review Greg Kroah-Hartman
2022-03-21 13:51 ` [PATCH 4.9 01/16] xfrm: Fix xfrm migrate issues when address family changes Greg Kroah-Hartman
2022-03-21 13:51 ` [PATCH 4.9 02/16] ARM: dts: rockchip: fix a typo on rk3288 crypto-controller Greg Kroah-Hartman
2022-03-21 13:51 ` [PATCH 4.9 03/16] MIPS: smp: fill in sibling and core maps earlier Greg Kroah-Hartman
2022-03-21 13:51 ` [PATCH 4.9 04/16] ARM: 9178/1: fix unmet dependency on BITREVERSE for HAVE_ARCH_BITREVERSE Greg Kroah-Hartman
2022-03-21 13:51 ` [PATCH 4.9 05/16] can: rcar_canfd: rcar_canfd_channel_probe(): register the CAN device when fully ready Greg Kroah-Hartman
2022-03-21 13:51 ` Greg Kroah-Hartman [this message]
2022-03-21 13:51 ` [PATCH 4.9 07/16] nl80211: Update bss channel on channel switch for P2P_CLIENT Greg Kroah-Hartman
2022-03-21 13:51 ` [PATCH 4.9 08/16] tcp: make tcp_read_sock() more robust Greg Kroah-Hartman
2022-03-21 13:51 ` [PATCH 4.9 09/16] sfc: extend the locking on mcdi->seqno Greg Kroah-Hartman
2022-03-21 13:51 ` [PATCH 4.9 10/16] kselftest/vm: fix tests build with old libc Greg Kroah-Hartman
2022-03-21 13:51 ` [PATCH 4.9 11/16] fs: sysfs_emit: Remove PAGE_SIZE alignment check Greg Kroah-Hartman
2022-03-21 13:51 ` [PATCH 4.9 12/16] net/packet: fix slab-out-of-bounds access in packet_recvmsg() Greg Kroah-Hartman
2022-03-21 13:51 ` [PATCH 4.9 13/16] atm: eni: Add check for dma_map_single Greg Kroah-Hartman
2022-03-21 13:51 ` [PATCH 4.9 14/16] usb: gadget: rndis: prevent integer overflow in rndis_set_response() Greg Kroah-Hartman
2022-03-21 13:51 ` [PATCH 4.9 15/16] usb: gadget: Fix use-after-free bug by not setting udc->dev.driver Greg Kroah-Hartman
2022-03-21 13:51 ` [PATCH 4.9 16/16] Input: aiptek - properly check endpoint type Greg Kroah-Hartman
2022-03-21 17:27 ` [PATCH 4.9 00/16] 4.9.308-rc1 review Florian Fainelli
2022-03-21 17:59 ` Pavel Machek
2022-03-21 23:25 ` Shuah Khan
2022-03-22 1:58 ` Guenter Roeck
2022-03-22 15:32 ` Naresh Kamboju
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