Commit 2f338c8a authored by Oliver Neukum's avatar Oliver Neukum Committed by Greg Kroah-Hartman

USB: cdc-wdm: fix memory leak

cleanup() is not called if the last close() comes after
disconnect(). That leads to a memory leak. Rectified
by checking for an earlier disconnect() in release()
Signed-off-by: default avatarOliver Neukum <oneukum@suse.de>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 24a85bae
......@@ -622,6 +622,8 @@ static int wdm_release(struct inode *inode, struct file *file)
kill_urbs(desc);
if (!test_bit(WDM_DISCONNECTING, &desc->flags))
desc->manage_power(desc->intf, 0);
else
cleanup(desc);
}
mutex_unlock(&wdm_mutex);
return 0;
......
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