From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:56976 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726931AbeI0Prl (ORCPT ); Thu, 27 Sep 2018 11:47:41 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Takashi Sakamoto , Takashi Iwai Subject: [PATCH 4.9 10/44] ALSA: oxfw: fix memory leak for model-dependent data at error path Date: Thu, 27 Sep 2018 11:03:59 +0200 Message-Id: <20180927090119.331568019@linuxfoundation.org> In-Reply-To: <20180927090117.997362691@linuxfoundation.org> References: <20180927090117.997362691@linuxfoundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: 4.9-stable review patch. If anyone has any objections, please let me know. ------------------ From: Takashi Sakamoto commit ce925f088b979537f22f9e05eb923ef9822ca139 upstream. After allocating model-dependent data, ALSA OXFW driver has memory leak of the data at error path. This commit releases the data at the error path. Fixes: 6c29230e2a5f ('ALSA: oxfw: delayed registration of sound card') Cc: # v4.7+ Signed-off-by: Takashi Sakamoto Signed-off-by: Takashi Iwai Signed-off-by: Greg Kroah-Hartman --- sound/firewire/oxfw/oxfw.c | 2 ++ 1 file changed, 2 insertions(+) --- a/sound/firewire/oxfw/oxfw.c +++ b/sound/firewire/oxfw/oxfw.c @@ -275,6 +275,8 @@ error: if (oxfw->has_output) snd_oxfw_stream_destroy_simplex(oxfw, &oxfw->tx_stream); snd_card_free(oxfw->card); + kfree(oxfw->spec); + oxfw->spec = NULL; dev_info(&oxfw->unit->device, "Sound card registration failed: %d\n", err); }