From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Yang Yingliang <yangyingliang@huawei.com>,
"David S . Miller" <davem@davemloft.net>,
Sasha Levin <sashal@kernel.org>,
netdev@vger.kernel.org
Subject: [PATCH AUTOSEL 5.4 109/109] net: w5100: check return value after calling platform_get_resource()
Date: Thu, 9 Sep 2021 07:55:06 -0400 [thread overview]
Message-ID: <20210909115507.147917-109-sashal@kernel.org> (raw)
In-Reply-To: <20210909115507.147917-1-sashal@kernel.org>
From: Yang Yingliang <yangyingliang@huawei.com>
[ Upstream commit a39ff4a47f3e1da3b036817ef436b1a9be10783a ]
It will cause null-ptr-deref if platform_get_resource() returns NULL,
we need check the return value.
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/net/ethernet/wiznet/w5100.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/net/ethernet/wiznet/w5100.c b/drivers/net/ethernet/wiznet/w5100.c
index bede1ff289c5..a65b7291e12a 100644
--- a/drivers/net/ethernet/wiznet/w5100.c
+++ b/drivers/net/ethernet/wiznet/w5100.c
@@ -1052,6 +1052,8 @@ static int w5100_mmio_probe(struct platform_device *pdev)
mac_addr = data->mac_addr;
mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!mem)
+ return -EINVAL;
if (resource_size(mem) < W5100_BUS_DIRECT_SIZE)
ops = &w5100_mmio_indirect_ops;
else
--
2.30.2
prev parent reply other threads:[~2021-09-09 12:59 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20210909115507.147917-1-sashal@kernel.org>
2021-09-09 11:53 ` [PATCH AUTOSEL 5.4 006/109] tipc: keep the skb in rcv queue until the whole data is read Sasha Levin
2021-09-09 11:53 ` [PATCH AUTOSEL 5.4 008/109] iavf: do not override the adapter state in the watchdog task Sasha Levin
2021-09-09 11:53 ` [PATCH AUTOSEL 5.4 009/109] iavf: fix locking of critical sections Sasha Levin
2021-09-09 11:53 ` [PATCH AUTOSEL 5.4 012/109] netlink: Deal with ESRCH error in nlmsg_notify() Sasha Levin
2021-09-09 11:53 ` [PATCH AUTOSEL 5.4 015/109] igc: Check if num of q_vectors is smaller than max before array access Sasha Levin
2021-09-09 11:53 ` [PATCH AUTOSEL 5.4 026/109] bpf/tests: Fix copy-and-paste error in double word test Sasha Levin
2021-09-09 11:53 ` [PATCH AUTOSEL 5.4 027/109] bpf/tests: Do not PASS tests without actually testing the result Sasha Levin
2021-09-09 11:53 ` [PATCH AUTOSEL 5.4 031/109] ipv4: ip_output.c: Fix out-of-bounds warning in ip_copy_addrs() Sasha Levin
2021-09-09 11:53 ` [PATCH AUTOSEL 5.4 032/109] flow_dissector: Fix out-of-bounds warnings Sasha Levin
2021-09-09 11:53 ` [PATCH AUTOSEL 5.4 040/109] samples: bpf: Fix tracex7 error raised on the missing argument Sasha Levin
2021-09-09 11:54 ` [PATCH AUTOSEL 5.4 043/109] Bluetooth: skip invalid hci_sync_conn_complete_evt Sasha Levin
2021-09-09 11:54 ` [PATCH AUTOSEL 5.4 045/109] bonding: 3ad: fix the concurrency between __bond_release_one() and bond_3ad_state_machine_handler() Sasha Levin
2021-09-09 11:54 ` [PATCH AUTOSEL 5.4 048/109] bpf: Fix off-by-one in tail call count limiting Sasha Levin
2021-09-09 11:54 ` [PATCH AUTOSEL 5.4 056/109] net: ethernet: stmmac: Do not use unreachable() in ipq806x_gmac_probe() Sasha Levin
2021-09-09 11:54 ` [PATCH AUTOSEL 5.4 058/109] selftests/bpf: Fix xdp_tx.c prog section name Sasha Levin
2021-09-09 11:54 ` [PATCH AUTOSEL 5.4 059/109] Bluetooth: schedule SCO timeouts with delayed_work Sasha Levin
2021-09-09 11:54 ` [PATCH AUTOSEL 5.4 060/109] Bluetooth: avoid circular locks in sco_sock_connect Sasha Levin
2021-09-09 11:54 ` [PATCH AUTOSEL 5.4 061/109] net/mlx5: Fix variable type to match 64bit Sasha Levin
2021-09-09 11:54 ` [PATCH AUTOSEL 5.4 064/109] mac80211: Fix monitor MTU limit so that A-MSDUs get through Sasha Levin
2021-09-09 11:54 ` [PATCH AUTOSEL 5.4 070/109] Bluetooth: Fix handling of LE Enhanced Connection Complete Sasha Levin
2021-09-09 11:54 ` [PATCH AUTOSEL 5.4 073/109] tcp: enable data-less, empty-cookie SYN with TFO_SERVER_COOKIE_NOT_REQD Sasha Levin
2021-09-09 11:54 ` [PATCH AUTOSEL 5.4 074/109] rpc: fix gss_svc_init cleanup on failure Sasha Levin
2021-09-09 11:54 ` [PATCH AUTOSEL 5.4 090/109] selftests/bpf: Enlarge select() timeout for test_maps Sasha Levin
2021-09-09 11:54 ` [PATCH AUTOSEL 5.4 100/109] iwlwifi: mvm: fix a memory leak in iwl_mvm_mac_ctxt_beacon_changed Sasha Levin
2021-09-09 11:54 ` [PATCH AUTOSEL 5.4 101/109] iwlwifi: mvm: avoid static queue number aliasing Sasha Levin
2021-09-09 11:54 ` [PATCH AUTOSEL 5.4 102/109] iwlwifi: mvm: fix access to BSS elements Sasha Levin
2021-09-09 11:55 ` [PATCH AUTOSEL 5.4 103/109] net/mlx5: DR, Enable QP retransmission Sasha Levin
2021-09-09 11:55 ` [PATCH AUTOSEL 5.4 105/109] ath9k: fix OOB read ar9300_eeprom_restore_internal Sasha Levin
2021-09-09 11:55 ` [PATCH AUTOSEL 5.4 106/109] ath9k: fix sleeping in atomic context Sasha Levin
2021-09-09 11:55 ` [PATCH AUTOSEL 5.4 107/109] net: fix NULL pointer reference in cipso_v4_doi_free Sasha Levin
2021-09-09 11:55 ` [PATCH AUTOSEL 5.4 108/109] fix array-index-out-of-bounds in taprio_change Sasha Levin
2021-09-09 11:55 ` Sasha Levin [this message]
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