diff options
| author | Pavel Begunkov <asml.silence@gmail.com> | 2025-01-31 17:28:21 +0000 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2025-02-17 05:34:45 -0700 |
| commit | 7215469659cb9751a9bf80e43b24a48749004d26 (patch) | |
| tree | aee43a8d6edd2231f5ce6afb4c31db0e813500e4 /io_uring/io_uring.c | |
| parent | 40b991837f3293317c9845b549e10600e9d54611 (diff) | |
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: 73eaa2b583493 ("io_uring: use private workqueue for exit work")
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/3a046063902f888f66151f89fa42f84063b9727b.1738343083.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'io_uring/io_uring.c')
| -rw-r--r-- | io_uring/io_uring.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c index 9fade03ce0d9..7fff5d612201 100644 --- a/io_uring/io_uring.c +++ b/io_uring/io_uring.c @@ -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); |