m68k: ser_a2232 - Kill warn_unused_result warnings

warning: ignoring return value of 'request_irq', declared with attribute
warn_unused_result

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Alan Cox <alan@lxorguk.ukuu.org.uk>

1 files changed, 10 insertions, 2 deletions

diff --git a/drivers/char/ser_a2232.c b/drivers/char/ser_a2232.c
index 33872a219df6..33a2b531802e 100644
--- a/drivers/char/ser_a2232.c
+++ b/drivers/char/ser_a2232.c
@@ -718,6 +718,7 @@ static int __init a2232board_init(void)
         u_char *from;
         volatile u_char *to;
         volatile struct a2232memory *mem;
+        int error, i;
 
 #ifdef CONFIG_SMP
         return -ENODEV; /* This driver is not SMP aware. Is there an SMP ZorroII-bus-machine? */
@@ -797,8 +798,15 @@ static int __init a2232board_init(void)
         */
         if (a2232_init_drivers()) return -ENODEV; // maybe we should use a different -Exxx?
 
-        request_irq(IRQ_AMIGA_VERTB, a2232_vbl_inter, 0, "A2232 serial VBL", a2232_driver_ID);
-        return 0;
+        error = request_irq(IRQ_AMIGA_VERTB, a2232_vbl_inter, 0,
+                            "A2232 serial VBL", a2232_driver_ID);
+        if (error) {
+                for (i = 0; i < nr_a2232; i++)
+                        zorro_release_device(zd_a2232[i]);
+                tty_unregister_driver(a2232_driver);
+                put_tty_driver(a2232_driver);
+        }
+        return error;
 }
 
 static void __exit a2232board_exit(void)