Jason Gunthorpe 0cb42c0265 RDMA/core: Fix bogus WARN_ON during ib_unregister_device_queued() ... ib_unregister_device_queued() can only be used by drivers using the new dealloc_device callback flow, and it has a safety WARN_ON to ensure drivers are using it properly. However, if unregister and register are raced there is a special destruction path that maintains the uniform error handling semantic of 'caller does ib_dealloc_device() on failure'. This requires disabling the dealloc_device callback which triggers the WARN_ON. Instead of using NULL to disable the callback use a special function pointer so the WARN_ON does not trigger. Fixes: d0899892ed ("RDMA/device: Provide APIs from the core code to help unregistration") Link: https://lore.kernel.org/r/0-v1-a36d512e0a99+762-syz_dealloc_driver_jgg@nvidia.com Reported-by: syzbot+4088ed905e4ae2b0e13b@syzkaller.appspotmail.com Suggested-by: Hillf Danton <hdanton@sina.com> Reviewed-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>		2020-07-02 14:25:42 -03:00
..
core	RDMA/core: Fix bogus WARN_ON during ib_unregister_device_queued()	2020-07-02 14:25:42 -03:00
hw	IB/hfi1: Convert PCIBIOS_* errors to generic -E* errors	2020-06-30 13:27:14 -03:00
sw	RDMA/rxe: Remove unused rxe_mem_map_pages	2020-06-22 14:49:27 -03:00
ulp	RDMA/ipoib: Fix ABBA deadlock with ipoib_reap_ah()	2020-07-02 10:46:06 -03:00
Kconfig	treewide: replace '---help---' in Kconfig files with 'help'	2020-06-14 01:57:21 +09:00
Makefile	treewide: Add SPDX license identifier - Makefile/Kconfig	2019-05-21 10:50:46 +02:00