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| author | Lv Zheng <lv.zheng@intel.com> | 2016-09-23 11:26:35 +0800 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2016-09-24 02:16:52 +0200 |
| commit | 9febcdc071aaec30d8dee4a21d91f6c7e9c62503 (patch) | |
| tree | c215339683f69d02e1d9bac0b9b762f8c24ded88 /drivers/acpi/acpica/tbdata.c | |
| parent | 86ec64bc382ad1e0e6bc66f5f705a53e299a3445 (diff) | |
| download | op-kernel-dev-9febcdc071aaec30d8dee4a21d91f6c7e9c62503.zip op-kernel-dev-9febcdc071aaec30d8dee4a21d91f6c7e9c62503.tar.gz | |
ACPICA: Tables: Fix "UNLOAD" code path lock issues
ACPICA commit 39227380f5b99c51b897a3ffedd88508aa26789b
The previous lock fixes didn't cover "Unload" opcode and table unload APIs,
this patch fixes lock issues in the "Unload" code path. BZ 1325, Lv Zheng.
Link: https://github.com/acpica/acpica/commit/39227380
Link: https://bugs.acpica.org/show_bug.cgi?id=1325
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi/acpica/tbdata.c')
| -rw-r--r-- | drivers/acpi/acpica/tbdata.c | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/drivers/acpi/acpica/tbdata.c b/drivers/acpi/acpica/tbdata.c index 7e93fd6..d9ca8c2 100644 --- a/drivers/acpi/acpica/tbdata.c +++ b/drivers/acpi/acpica/tbdata.c @@ -614,17 +614,12 @@ acpi_status acpi_tb_delete_namespace_by_owner(u32 table_index) * lock may block, and also since the execution of a namespace walk * must be allowed to use the interpreter. */ - (void)acpi_ut_release_mutex(ACPI_MTX_INTERPRETER); status = acpi_ut_acquire_write_lock(&acpi_gbl_namespace_rw_lock); - - acpi_ns_delete_namespace_by_owner(owner_id); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } - + acpi_ns_delete_namespace_by_owner(owner_id); acpi_ut_release_write_lock(&acpi_gbl_namespace_rw_lock); - - status = acpi_ut_acquire_mutex(ACPI_MTX_INTERPRETER); return_ACPI_STATUS(status); } |
