kernel-5.15-compat.patch


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diff --git a/xmm7360.c b/xmm7360.c
index ccd149d..5a4dc74 100644
--- a/xmm7360.c
+++ b/xmm7360.c
@@ -1272,7 +1272,7 @@ static int xmm7360_tty_write(struct tty_struct *tty,
 	return written;
 }
 
-static int xmm7360_tty_write_room(struct tty_struct *tty)
+static unsigned int xmm7360_tty_write_room(struct tty_struct *tty)
 {
 	struct queue_pair *qp = tty->driver_data;
 	if (!xmm7360_qp_can_write(qp))
@@ -1555,7 +1555,7 @@ static void xmm7360_exit(void)
 	pci_unregister_driver(&xmm7360_driver);
 	unregister_chrdev_region(xmm_base, 8);
 	tty_unregister_driver(xmm7360_tty_driver);
-	put_tty_driver(xmm7360_tty_driver);
+	tty_driver_kref_put(xmm7360_tty_driver);
 }
 
 module_init(xmm7360_init);