From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Wen Yang <wen.yang99@zte.com.cn>, Peng Hao <peng.hao2@zte.com.cn>,
Zhao Qiang <qiang.zhao@nxp.com>,
"David S. Miller" <davem@davemloft.net>,
netdev@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
Sasha Levin <sashal@kernel.org>
Subject: [PATCH AUTOSEL 4.14 090/127] net/wan/fsl_ucc_hdlc: Avoid double free in ucc_hdlc_probe()
Date: Fri, 22 Nov 2019 00:55:08 -0500 [thread overview]
Message-ID: <20191122055544.3299-89-sashal@kernel.org> (raw)
In-Reply-To: <20191122055544.3299-1-sashal@kernel.org>
From: Wen Yang <wen.yang99@zte.com.cn>
[ Upstream commit 40752b3eae29f8ca2378e978a02bd6dbeeb06d16 ]
This patch fixes potential double frees if register_hdlc_device() fails.
Signed-off-by: Wen Yang <wen.yang99@zte.com.cn>
Reviewed-by: Peng Hao <peng.hao2@zte.com.cn>
CC: Zhao Qiang <qiang.zhao@nxp.com>
CC: "David S. Miller" <davem@davemloft.net>
CC: netdev@vger.kernel.org
CC: linuxppc-dev@lists.ozlabs.org
CC: linux-kernel@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/net/wan/fsl_ucc_hdlc.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/net/wan/fsl_ucc_hdlc.c b/drivers/net/wan/fsl_ucc_hdlc.c
index 18b648648adb2..289dff262948d 100644
--- a/drivers/net/wan/fsl_ucc_hdlc.c
+++ b/drivers/net/wan/fsl_ucc_hdlc.c
@@ -1114,7 +1114,6 @@ static int ucc_hdlc_probe(struct platform_device *pdev)
if (register_hdlc_device(dev)) {
ret = -ENOBUFS;
pr_err("ucc_hdlc: unable to register hdlc device\n");
- free_netdev(dev);
goto free_dev;
}
--
2.20.1
next prev parent reply other threads:[~2019-11-22 5:57 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20191122055544.3299-1-sashal@kernel.org>
2019-11-22 5:53 ` [PATCH AUTOSEL 4.14 017/127] mwifiex: fix potential NULL dereference and use after free Sasha Levin
2019-11-22 5:53 ` [PATCH AUTOSEL 4.14 018/127] mwifiex: debugfs: correct histogram spacing, formatting Sasha Levin
2019-11-22 5:53 ` [PATCH AUTOSEL 4.14 019/127] rtl818x: fix potential use after free Sasha Levin
2019-11-22 5:54 ` [PATCH AUTOSEL 4.14 025/127] iwlwifi: move iwl_nvm_check_version() into dvm Sasha Levin
2019-11-22 5:54 ` [PATCH AUTOSEL 4.14 028/127] VSOCK: bind to random port for VMADDR_PORT_ANY Sasha Levin
2019-11-22 5:54 ` [PATCH AUTOSEL 4.14 038/127] net/mlx5: Continue driver initialization despite debugfs failure Sasha Levin
2019-11-22 5:54 ` [PATCH AUTOSEL 4.14 040/127] bnxt_en: Return linux standard errors in bnxt_ethtool.c Sasha Levin
2019-11-22 5:54 ` [PATCH AUTOSEL 4.14 041/127] bnxt_en: query force speeds before disabling autoneg mode Sasha Levin
2019-11-22 5:54 ` [PATCH AUTOSEL 4.14 052/127] vxlan: Fix error path in __vxlan_dev_create() Sasha Levin
2019-11-22 5:54 ` [PATCH AUTOSEL 4.14 062/127] ath6kl: Only use match sets when firmware supports it Sasha Levin
2019-11-22 5:54 ` [PATCH AUTOSEL 4.14 063/127] ath6kl: Fix off by one error in scan completion Sasha Levin
2019-11-22 5:54 ` [PATCH AUTOSEL 4.14 081/127] net/netlink_compat: Fix a missing check of nla_parse_nested Sasha Levin
2019-11-22 5:55 ` [PATCH AUTOSEL 4.14 082/127] net/net_namespace: Check the return value of register_pernet_subsys() Sasha Levin
2019-11-22 5:55 ` [PATCH AUTOSEL 4.14 085/127] net: (cpts) fix a missing check of clk_prepare Sasha Levin
2019-11-22 5:55 ` [PATCH AUTOSEL 4.14 086/127] net: stmicro: " Sasha Levin
2019-11-22 5:55 ` [PATCH AUTOSEL 4.14 087/127] net: dsa: bcm_sf2: Propagate error value from mdio_write Sasha Levin
2019-11-22 5:55 ` [PATCH AUTOSEL 4.14 088/127] atl1e: checking the status of atl1e_write_phy_reg Sasha Levin
2019-11-22 5:55 ` [PATCH AUTOSEL 4.14 089/127] tipc: fix a missing check of genlmsg_put Sasha Levin
2019-11-22 5:55 ` Sasha Levin [this message]
2019-11-22 5:55 ` [PATCH AUTOSEL 4.14 099/127] tipc: fix memory leak in tipc_nl_compat_publ_dump Sasha Levin
2019-11-22 5:55 ` [PATCH AUTOSEL 4.14 100/127] net/core/neighbour: tell kmemleak about hash tables Sasha Levin
2019-11-22 5:55 ` [PATCH AUTOSEL 4.14 102/127] net/core/neighbour: fix kmemleak minimal reference count for " Sasha Levin
2019-11-22 5:55 ` [PATCH AUTOSEL 4.14 105/127] sfc: suppress duplicate nvmem partition types in efx_ef10_mtd_probe Sasha Levin
2019-11-22 5:55 ` [PATCH AUTOSEL 4.14 106/127] ip_tunnel: Make none-tunnel-dst tunnel port work with lwtunnel Sasha Levin
2019-11-22 5:55 ` [PATCH AUTOSEL 4.14 107/127] decnet: fix DN_IFREQ_SIZE Sasha Levin
2019-11-22 5:55 ` [PATCH AUTOSEL 4.14 108/127] net/smc: prevent races between smc_lgr_terminate() and smc_conn_free() Sasha Levin
2019-11-22 5:55 ` [PATCH AUTOSEL 4.14 110/127] tipc: fix skb may be leaky in tipc_link_input Sasha Levin
2019-11-22 5:55 ` [PATCH AUTOSEL 4.14 111/127] sfc: initialise found bitmap in efx_ef10_mtd_probe Sasha Levin
2019-11-22 5:55 ` [PATCH AUTOSEL 4.14 112/127] net: fix possible overflow in __sk_mem_raise_allocated() Sasha Levin
2019-11-22 5:55 ` [PATCH AUTOSEL 4.14 113/127] sctp: don't compare hb_timer expire date before starting it Sasha Levin
2019-11-22 5:55 ` [PATCH AUTOSEL 4.14 114/127] bpf: decrease usercnt if bpf_map_new_fd() fails in bpf_map_get_fd_by_id() Sasha Levin
2019-11-22 5:55 ` [PATCH AUTOSEL 4.14 115/127] net: dev: Use unsigned integer as an argument to left-shift Sasha Levin
2019-11-22 5:55 ` [PATCH AUTOSEL 4.14 117/127] bpf: drop refcount if bpf_map_new_fd() fails in map_create() Sasha Levin
2019-11-22 5:55 ` [PATCH AUTOSEL 4.14 118/127] net: hns3: Change fw error code NOT_EXEC to NOT_SUPPORTED Sasha Levin
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