driver: uio: fix possible memory leak in __uio_register_device
authorLiu Jian <liujian56@huawei.com>
Tue, 22 Jan 2019 22:45:37 +0000 (06:45 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 31 Jan 2019 15:36:36 +0000 (16:36 +0100)
commit1a392b3de7c5747506b38fc14b2e79977d3c7770
tree12a7e40cb216694680b08b9490bfad4f39d33802
parent9bfd8198ba948e11a0f9c618db00b0d4020b71c5
driver: uio: fix possible memory leak in __uio_register_device

'idev' is malloced in __uio_register_device() and leak free it before
leaving from the uio_get_minor() error handing case, it will cause
memory leak.

Fixes: a93e7b331568 ("uio: Prevent device destruction while fds are open")
Signed-off-by: Liu Jian <liujian56@huawei.com>
Reviewed-by: Hamish Martin <hamish.martin@alliedtelesis.co.nz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/uio/uio.c