linux-yocto/drivers/mcb
Haoxiang Li df1a5d5c61 mcb: fix a double free bug in chameleon_parse_gdd()
commit 7c7f1bfdb2249f854a736d9b79778c7e5a29a150 upstream.

In chameleon_parse_gdd(), if mcb_device_register() fails, 'mdev'
would be released in mcb_device_register() via put_device().
Thus, goto 'err' label and free 'mdev' again causes a double free.
Just return if mcb_device_register() fails.

Fixes: 3764e82e51 ("drivers: Introduce MEN Chameleon Bus")
Cc: stable <stable@kernel.org>
Signed-off-by: Haoxiang Li <haoxiang_li2024@163.com>
Signed-off-by: Johannes Thumshirn <jth@kernel.org>
Link: https://lore.kernel.org/r/6201d09e2975ae5789879f79a6de4c38de9edd4a.1741596225.git.jth@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2025-05-02 07:59:08 +02:00
..
Kconfig treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
Makefile
mcb-core.c driver core: have match() callback in struct bus_type take a const * 2024-07-03 15:16:54 +02:00
mcb-internal.h
mcb-lpc.c mcb: lpc: Convert to platform remove callback returning void 2024-04-29 10:53:31 +02:00
mcb-parse.c mcb: fix a double free bug in chameleon_parse_gdd() 2025-05-02 07:59:08 +02:00
mcb-pci.c mcb: mcb-pci: detect IO mapped devices before requesting resources 2024-06-04 17:48:57 +02:00