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path: root/drivers/acpi/acpica/nsxfeval.c
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Diffstat (limited to 'drivers/acpi/acpica/nsxfeval.c')
-rw-r--r--drivers/acpi/acpica/nsxfeval.c23
1 files changed, 16 insertions, 7 deletions
diff --git a/drivers/acpi/acpica/nsxfeval.c b/drivers/acpi/acpica/nsxfeval.c
index b38b4b07f86e..e973e311f856 100644
--- a/drivers/acpi/acpica/nsxfeval.c
+++ b/drivers/acpi/acpica/nsxfeval.c
@@ -42,7 +42,8 @@
* POSSIBILITY OF SUCH DAMAGES.
*/
-#include <linux/export.h>
+#define EXPORT_ACPI_INTERFACES
+
#include <acpi/acpi.h>
#include "accommon.h"
#include "acnamesp.h"
@@ -138,7 +139,7 @@ acpi_evaluate_object_typed(acpi_handle handle,
/* Caller used ACPI_ALLOCATE_BUFFER, free the return buffer */
- ACPI_FREE(return_buffer->pointer);
+ ACPI_FREE_BUFFER(*return_buffer);
return_buffer->pointer = NULL;
}
@@ -441,7 +442,7 @@ acpi_evaluate_object(acpi_handle handle,
acpi_ex_exit_interpreter();
}
- cleanup:
+cleanup:
/* Free the input parameter list (if we created one) */
@@ -605,14 +606,22 @@ acpi_walk_namespace(acpi_object_type type,
goto unlock_and_exit;
}
+ /* Now we can validate the starting node */
+
+ if (!acpi_ns_validate_handle(start_object)) {
+ status = AE_BAD_PARAMETER;
+ goto unlock_and_exit2;
+ }
+
status = acpi_ns_walk_namespace(type, start_object, max_depth,
ACPI_NS_WALK_UNLOCK,
descending_callback, ascending_callback,
context, return_value);
+unlock_and_exit2:
(void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
- unlock_and_exit:
+unlock_and_exit:
(void)acpi_ut_release_read_lock(&acpi_gbl_namespace_rw_lock);
return_ACPI_STATUS(status);
}
@@ -856,7 +865,7 @@ acpi_attach_data(acpi_handle obj_handle,
status = acpi_ns_attach_data(node, handler, data);
- unlock_and_exit:
+unlock_and_exit:
(void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
return (status);
}
@@ -902,7 +911,7 @@ acpi_detach_data(acpi_handle obj_handle, acpi_object_handler handler)
status = acpi_ns_detach_data(node, handler);
- unlock_and_exit:
+unlock_and_exit:
(void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
return (status);
}
@@ -949,7 +958,7 @@ acpi_get_data(acpi_handle obj_handle, acpi_object_handler handler, void **data)
status = acpi_ns_get_attached_data(node, handler, data);
- unlock_and_exit:
+unlock_and_exit:
(void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
return (status);
}