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: 838bfa60 ("i2c-dev: Add support for I2C_M_RECV_LEN") Signed-off-by: NYingjoe Chen <yingjoe.chen@mediatek.com> Signed-off-by: NWolfram Sang <wsa@the-dreams.de> Signed-off-by: NSasha Levin <sashal@kernel.org>
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