Merge tag 'io_uring-6.9-20240412' of git://git.kernel.dk/linux

Pull io_uring fixes from Jens Axboe:

- Fix for sigmask restoring while waiting for events (Alexey)

- Typo fix in comment (Haiyue)

- Fix for a msg_control retstore on SEND_ZC retries (Pavel)

* tag 'io_uring-6.9-20240412' of git://git.kernel.dk/linux:
io-uring: correct typo in comment for IOU_F_TWQ_LAZY_WAKE
io_uring/net: restore msg_control on sendzc retry
io_uring: Fix io_cqring_wait() not restoring sigmask on get_timespec64() failure

include/linux/io_uring_types.h

···
 	 * A hint to not wake right away but delay until there are enough of
 	 * tw's queued to match the number of CQEs the task is waiting for.
 	 *
-	 * Must not be used wirh requests generating more than one CQE.
+	 * Must not be used with requests generating more than one CQE.
 	 * It's also ignored unless IORING_SETUP_DEFER_TASKRUN is set.
 	 */
 	IOU_F_TWQ_LAZY_WAKE			= 1,

io_uring/io_uring.c

···
 	if (__io_cqring_events_user(ctx) >= min_events)
 		return 0;
 
-	if (sig) {
-#ifdef CONFIG_COMPAT
-		if (in_compat_syscall())
-			ret = set_compat_user_sigmask((const compat_sigset_t __user *)sig,
-						      sigsz);
-		else
-#endif
-			ret = set_user_sigmask(sig, sigsz);
-
-		if (ret)
-			return ret;
-	}
-
 	init_waitqueue_func_entry(&iowq.wq, io_wake_function);
 	iowq.wq.private = current;
 	INIT_LIST_HEAD(&iowq.wq.entry);
···
 
 		iowq.timeout = ktime_add_ns(timespec64_to_ktime(ts), ktime_get_ns());
 		io_napi_adjust_timeout(ctx, &iowq, &ts);
+	}
+
+	if (sig) {
+#ifdef CONFIG_COMPAT
+		if (in_compat_syscall())
+			ret = set_compat_user_sigmask((const compat_sigset_t __user *)sig,
+						      sigsz);
+		else
+#endif
+			ret = set_user_sigmask(sig, sigsz);
+
+		if (ret)
+			return ret;
 	}
 
 	io_napi_busy_loop(ctx, &iowq);

io_uring/net.c

···
 
 	if (req_has_async_data(req)) {
 		kmsg = req->async_data;
+		kmsg->msg.msg_control_user = sr->msg_control;
 	} else {
 		ret = io_sendmsg_copy_hdr(req, &iomsg);
 		if (ret)