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(parent: 197501a) | patch
i2c: dev: fix potential memory leak in i2cdev_ioctl_rdwr
authorYingjoe Chen <yingjoe.chen@mediatek.com>
Tue, 7 May 2019 14:20:32 +0000 (22:20 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 22 Jun 2019 06:15:17 +0000 (08:15 +0200)
commit7bea5618eaf9fbff3fa9a75989995042cf4cce21
treec62057d60542b4553a0075c299b3b94c11dfded9tree | snapshot
parent197501af7ff30afc6362f0ed0be9a6bc248e74cacommit | 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>
drivers/i2c/i2c-dev.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git