From 5980bf8bc5dbb8e5338a3db6e311539eeb6242da Mon Sep 17 00:00:00 2001 From: Octavian Purdila Date: Mon, 13 Apr 2015 11:49:05 +0800 Subject: [PATCH] ACPICA: Tables: Don't release ACPI_MTX_TABLES in acpi_tb_install_standard_table(). 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(-) diff --git a/drivers/acpi/acpica/tbinstal.c b/drivers/acpi/acpica/tbinstal.c index 9bad45e63a45..7fbc2b9dcbbb 100644 --- a/drivers/acpi/acpica/tbinstal.c +++ b/drivers/acpi/acpica/tbinstal.c @@ -346,7 +346,6 @@ acpi_tb_install_standard_table(acpi_physical_address address, */ acpi_tb_uninstall_table(&new_table_desc); *table_index = i; - (void)acpi_ut_release_mutex(ACPI_MTX_TABLES); return_ACPI_STATUS(AE_OK); } } -- 2.11.0