n_hdlc: wrap a comment properly

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20200219084118.26491-24-jslaby@suse.czSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/tty/n_hdlc.c

@@ -385,8 +385,10 @@ static void n_hdlc_tty_receive(struct tty_struct *tty, const __u8 *data,
 	/* get a free HDLC buffer */
 	buf = n_hdlc_buf_get(&n_hdlc->rx_free_buf_list);
 	if (!buf) {
-		/* no buffers in free list, attempt to allocate another rx buffer */
-		/* unless the maximum count has been reached */
+		/*
+		 * no buffers in free list, attempt to allocate another rx
+		 * buffer unless the maximum count has been reached
+		 */
 		if (n_hdlc->rx_buf_list.count < MAX_RX_BUF_COUNT)
 			buf = kmalloc(struct_size(buf, buf, maxframe),
 				      GFP_ATOMIC);