mISDN: get_free_devid() failure ignored

dev->id is unsigned so a get_free_devid() error is ignored.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Karsten Keil <keil@b1-systems.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 4 insertions, 4 deletions

diff --git a/drivers/isdn/mISDN/core.c b/drivers/isdn/mISDN/core.c
index 9426c9827e47..21d34be5af6a 100644
--- a/drivers/isdn/mISDN/core.c
+++ b/drivers/isdn/mISDN/core.c
@@ -214,7 +214,7 @@ get_free_devid(void)
                 if (!test_and_set_bit(i, (u_long *)&device_ids))
                         break;
         if (i > MAX_DEVICE_ID)
-                return -1;
+                return -EBUSY;
         return i;
 }
 
@@ -224,10 +224,10 @@ mISDN_register_device(struct mISDNdevice *dev,
 {
         int     err;
 
-        dev->id = get_free_devid();
-        err = -EBUSY;
-        if (dev->id < 0)
+        err = get_free_devid();
+        if (err < 0)
                 goto error1;
+        dev->id = err;
 
         device_initialize(&dev->dev);
         if (name && name[0])