diff options
| author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-07-10 15:14:38 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-07-10 15:14:38 -0700 |
| commit | c80dc60b03d633047c7f96be87fd59cdcdbb929f (patch) | |
| tree | 1ef931c2287e376f8fef37cea89f7a951d9d3b00 /drivers/acpi/namespace/nsalloc.c | |
| parent | 90ca9a2ff4d6b89b6939c3ece19f8fed1eecdbab (diff) | |
| parent | 0466684907ea1695eeef98cb28ca3399882ecc0a (diff) | |
Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6:
ACPI: ACPI_DOCK: Initialize the atomic notifier list
ACPI: acpi_os_allocate() fixes
ACPI: SBS: fix initialization, sem2mutex
ACPI: add 'const' to several ACPI file_operations
ACPI: delete some defaults from ACPI Kconfig
ACPI: "Device `[%s]' is not power manageable" make message debug only
ACPI: ACPI_DOCK Kconfig
Revert "Revert "ACPI: dock driver""
ACPI: acpi_os_get_thread_id() returns current
ACPI: ACPICA 20060707
Diffstat (limited to 'drivers/acpi/namespace/nsalloc.c')
| -rw-r--r-- | drivers/acpi/namespace/nsalloc.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/acpi/namespace/nsalloc.c b/drivers/acpi/namespace/nsalloc.c index dc3f0739a46..55b407aae26 100644 --- a/drivers/acpi/namespace/nsalloc.c +++ b/drivers/acpi/namespace/nsalloc.c @@ -386,14 +386,17 @@ void acpi_ns_delete_namespace_subtree(struct acpi_namespace_node *parent_node) * specific ID. Used to delete entire ACPI tables. All * reference counts are updated. * + * MUTEX: Locks namespace during deletion walk. + * ******************************************************************************/ void acpi_ns_delete_namespace_by_owner(acpi_owner_id owner_id) { struct acpi_namespace_node *child_node; struct acpi_namespace_node *deletion_node; - u32 level; struct acpi_namespace_node *parent_node; + u32 level; + acpi_status status; ACPI_FUNCTION_TRACE_U32(ns_delete_namespace_by_owner, owner_id); @@ -401,6 +404,13 @@ void acpi_ns_delete_namespace_by_owner(acpi_owner_id owner_id) return_VOID; } + /* Lock namespace for possible update */ + + status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); + if (ACPI_FAILURE(status)) { + return_VOID; + } + deletion_node = NULL; parent_node = acpi_gbl_root_node; child_node = NULL; @@ -469,5 +479,6 @@ void acpi_ns_delete_namespace_by_owner(acpi_owner_id owner_id) } } + (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); return_VOID; } |