4.0-stable review patch. If anyone has any objections, please let me know. ------------------ From: Octavian Purdila <octavian.purdila@xxxxxxxxx> 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: [<ffffffff81b0bd48>] dump_stack+0x4f/0x7b [<ffffffff81546bf5>] acpi_ut_release_mutex+0x47/0x67 [<ffffffff81544357>] acpi_load_table+0x73/0xcb Link: https://github.com/acpica/acpica/commit/c70434d4 Signed-off-by: Octavian Purdila <octavian.purdila@xxxxxxxxx> Signed-off-by: Lv Zheng <lv.zheng@xxxxxxxxx> Signed-off-by: Bob Moore <robert.moore@xxxxxxxxx> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- 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 stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html