nfc: nfcmrvl: Fix potential memory leak in nfcmrvl_i2c_nci_send()
authorShang XiaoJing <shangxiaojing@huawei.com>
Thu, 27 Oct 2022 14:03:32 +0000 (22:03 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 10 Nov 2022 17:15:28 +0000 (18:15 +0100)
commit5dfdac5e3f8db5f4445228c44f64091045644a3b
tree4d97ff41bea928853c76a7c696fd6384875250ad
parent7486f5c90078648de73d2544f51c64c8eac026bc
nfc: nfcmrvl: Fix potential memory leak in nfcmrvl_i2c_nci_send()

[ Upstream commit 93d904a734a74c54d945a9884b4962977f1176cd ]

nfcmrvl_i2c_nci_send() will be called by nfcmrvl_nci_send(), and skb
should be freed in nfcmrvl_i2c_nci_send(). However, nfcmrvl_nci_send()
will only free skb when i2c_master_send() return >=0, which means skb
will memleak when i2c_master_send() failed. Free skb no matter whether
i2c_master_send() succeeds.

Fixes: b5b3e23e4cac ("NFC: nfcmrvl: add i2c driver")
Signed-off-by: Shang XiaoJing <shangxiaojing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/nfc/nfcmrvl/i2c.c