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[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>
This commit is contained in:
Adrian Bunk 2008-08-28 01:02:37 +03:00 committed by Jeff Garzik
parent 5406951163
commit e57b641dfa
1 changed files with 5 additions and 4 deletions
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9
drivers/net/usb/hso.c
View File

@ -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;