[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>
diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
index 6e42b5a..8b2b947 100644
--- a/drivers/net/usb/hso.c
+++ b/drivers/net/usb/hso.c
@@ -2211,14 +2211,14 @@
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 @@
/* 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;