Input: ct82710c - return proper error code for ct82c710_open

If request_irq() fails we should return the proper error instead of -1.

Signed-off-by: Davidlohr Bueso <dave@gnu.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

diff --git a/drivers/input/serio/ct82c710.c b/drivers/input/serio/ct82c710.c
index 448c772..8528165 100644 (file)
--- a/drivers/input/serio/ct82c710.c
+++ b/drivers/input/serio/ct82c710.c
@@ -111,9 +111,11 @@ static void ct82c710_close(struct serio *serio)
 static int ct82c710_open(struct serio *serio)
 {
        unsigned char status;
+       int err;
 
-       if (request_irq(CT82C710_IRQ, ct82c710_interrupt, 0, "ct82c710", NULL))
-               return -1;
+       err = request_irq(CT82C710_IRQ, ct82c710_interrupt, 0, "ct82c710", NULL);
+       if (err)
+               return err;
 
        status = inb_p(CT82C710_STATUS);
 
@@ -131,7 +133,7 @@ static int ct82c710_open(struct serio *serio)
                status &= ~(CT82C710_ENABLE | CT82C710_INTS_ON);
                outb_p(status, CT82C710_STATUS);
                free_irq(CT82C710_IRQ, NULL);
-               return -1;
+               return -EBUSY;
        }
 
        return 0;