diff options
Diffstat (limited to 'io_uring/notif.c')
| -rw-r--r-- | io_uring/notif.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/io_uring/notif.c b/io_uring/notif.c index 9a6f6e92d742..d8ba1165c949 100644 --- a/io_uring/notif.c +++ b/io_uring/notif.c @@ -14,10 +14,15 @@ static const struct ubuf_info_ops io_ubuf_ops; static void io_notif_tw_complete(struct io_kiocb *notif, io_tw_token_t tw) { struct io_notif_data *nd = io_notif_to_data(notif); + struct io_ring_ctx *ctx = notif->ctx; + + lockdep_assert_held(&ctx->uring_lock); do { notif = cmd_to_io_kiocb(nd); + if (WARN_ON_ONCE(ctx != notif->ctx)) + return; lockdep_assert(refcount_read(&nd->uarg.refcnt) == 0); if (unlikely(nd->zc_report) && (nd->zc_copied || !nd->zc_used)) @@ -85,7 +90,7 @@ static int io_link_skb(struct sk_buff *skb, struct ubuf_info *uarg) return -EEXIST; prev_nd = container_of(prev_uarg, struct io_notif_data, uarg); - prev_notif = cmd_to_io_kiocb(nd); + prev_notif = cmd_to_io_kiocb(prev_nd); /* make sure all noifications can be finished in the same task_work */ if (unlikely(notif->ctx != prev_notif->ctx || |