Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1947255AbbEBTgK (ORCPT ); Sat, 2 May 2015 15:36:10 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:45920 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1946050AbbEBTgE (ORCPT ); Sat, 2 May 2015 15:36:04 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Octavian Purdila , Lv Zheng , Bob Moore , "Rafael J. Wysocki" Subject: [PATCH 3.19 127/177] ACPICA: Tables: Dont release ACPI_MTX_TABLES in acpi_tb_install_standard_table(). Date: Sat, 2 May 2015 21:02:29 +0200 Message-Id: <20150502190125.896319564@linuxfoundation.org> X-Mailer: git-send-email 2.3.7 In-Reply-To: <20150502190119.666291882@linuxfoundation.org> References: <20150502190119.666291882@linuxfoundation.org> User-Agent: quilt/0.64 MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1680 Lines: 48 3.19-stable review patch. If anyone has any objections, please let me know. ------------------ From: Octavian Purdila commit 77ddc2fe08329e375505bc36a3df3233fe57317b upstream. ACPICA commit c70434d4da13e65b6163c79a5aa16b40193631c7 ACPI_MTX_TABLES is acquired and released by the callers of acpi_tb_install_standard_table() so releasing it in the function itself is causing the following error in Linux kernel if the table is reloaded: ACPI Error: Mutex [0x2] is not acquired, cannot release (20141107/utmutex-321) Call Trace: [] dump_stack+0x4f/0x7b [] acpi_ut_release_mutex+0x47/0x67 [] acpi_load_table+0x73/0xcb Link: https://github.com/acpica/acpica/commit/c70434d4 Signed-off-by: Octavian Purdila Signed-off-by: Lv Zheng Signed-off-by: Bob Moore Signed-off-by: Rafael J. Wysocki Signed-off-by: Greg Kroah-Hartman --- drivers/acpi/acpica/tbinstal.c | 1 - 1 file changed, 1 deletion(-) --- a/drivers/acpi/acpica/tbinstal.c +++ b/drivers/acpi/acpica/tbinstal.c @@ -346,7 +346,6 @@ acpi_tb_install_standard_table(acpi_phys */ acpi_tb_uninstall_table(&new_table_desc); *table_index = i; - (void)acpi_ut_release_mutex(ACPI_MTX_TABLES); return_ACPI_STATUS(AE_OK); } } -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/