Chen Zhongjin 4bc217b25e vme: Fix error not catched in fake_init() ... [ Upstream commit 7bef797d70 ] In fake_init(), __root_device_register() is possible to fail but it's ignored, which can cause unregistering vme_root fail when exit. general protection fault, probably for non-canonical address 0xdffffc000000008c KASAN: null-ptr-deref in range [0x0000000000000460-0x0000000000000467] RIP: 0010:root_device_unregister+0x26/0x60 Call Trace: <TASK> __x64_sys_delete_module+0x34f/0x540 do_syscall_64+0x38/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd Return error when __root_device_register() fails. Fixes: 658bcdae9c ("vme: Adding Fake VME driver") Signed-off-by: Chen Zhongjin <chenzhongjin@huawei.com> Link: https://lore.kernel.org/r/20221205084805.147436-1-chenzhongjin@huawei.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Sasha Levin <sashal@kernel.org>		2022-12-31 13:14:30 +01:00
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bridges	vme: Fix error not catched in fake_init()	2022-12-31 13:14:30 +01:00
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