[netdrvr/usb] hso_create_bulk_serial_device(): fix a double free

hso_serial_common_free() mustn't be called if
hso_serial_common_create() fails.

Reported-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

1 files changed, 5 insertions, 4 deletions

diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
index 6e42b5a8c22b..8b2b947b6757 100644
--- a/drivers/net/usb/hso.c
+++ b/drivers/net/usb/hso.c
@@ -2211,14 +2211,14 @@ static struct hso_device *hso_create_bulk_serial_device(
                                      USB_DIR_IN);
         if (!serial->in_endp) {
                 dev_err(&interface->dev, "Failed to find BULK IN ep\n");
-                goto exit;
+                goto exit2;
         }
 
         if (!
             (serial->out_endp =
              hso_get_ep(interface, USB_ENDPOINT_XFER_BULK, USB_DIR_OUT))) {
                 dev_err(&interface->dev, "Failed to find BULK IN ep\n");
-                goto exit;
+                goto exit2;
         }
 
         serial->write_data = hso_std_serial_write_data;
@@ -2231,9 +2231,10 @@ static struct hso_device *hso_create_bulk_serial_device(
 
         /* done, return it */
         return hso_dev;
+
+exit2:
+        hso_serial_common_free(serial);
 exit:
-        if (hso_dev && serial)
-                hso_serial_common_free(serial);
         kfree(serial);
         hso_free_device(hso_dev);
         return NULL;