| commit | 8557793a2fea4f2b7006ea7b97d3f67532b2503d | [log] [tgz] |
|---|---|---|
| author | Yingjoe Chen <yingjoe.chen@mediatek.com> | Tue May 07 22:20:32 2019 +0800 |
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | Sat Jun 22 08:17:23 2019 +0200 |
| tree | 245632a6d318e9611a3694907d5d14137487a3fb | |
| parent | 8dbd598836fca322226d5085030950990a5fd093 [diff] |
i2c: dev: fix potential memory leak in i2cdev_ioctl_rdwr
[ Upstream commit a0692f0eef91354b62c2b4c94954536536be5425 ]
If I2C_M_RECV_LEN check failed, msgs[i].buf allocated by memdup_user
will not be freed. Pump index up so it will be freed.
Fixes: 838bfa6049fb ("i2c-dev: Add support for I2C_M_RECV_LEN")
Signed-off-by: Yingjoe Chen <yingjoe.chen@mediatek.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>