Commit 72154696 authored by Pavel Begunkov's avatar Pavel Begunkov Committed by Jens Axboe
Browse files

io_uring: check for iowq alloc_workqueue failure 



alloc_workqueue() can fail even during init in io_uring_init(), check
the result and panic if anything went wrong.

Fixes: 73eaa2b5 ("io_uring: use private workqueue for exit work")
Signed-off-by: default avatarPavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/3a046063902f888f66151f89fa42f84063b9727b.1738343083.git.asml.silence@gmail.com


Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 40b99183

io_uring/io_uring.c

+1 −0
Original line number Diff line number Diff line
@@ -3920,6 +3920,7 @@ static int __init io_uring_init(void) 
					  SLAB_HWCACHE_ALIGN | SLAB_PANIC | SLAB_ACCOUNT);



	iou_wq = alloc_workqueue("iou_exit", WQ_UNBOUND, 64);

	BUG_ON(!iou_wq);



#ifdef CONFIG_SYSCTL

	register_sysctl_init("kernel", kernel_io_uring_disabled_table);