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ACPICA: Fix possible memory leak in acpi_ns_get_external_pathname

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Fixes a memory leak in the error exit path.

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Bob Moore 2008-09-27 11:12:36 +08:00 committed by Len Brown
parent 1044f1f65b
commit 393a75d6b7
1 changed files with 3 additions and 2 deletions
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5
drivers/acpi/namespace/nsnames.c
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@ -142,7 +142,7 @@ char *acpi_ns_get_external_pathname(struct acpi_namespace_node *node)
size = acpi_ns_get_pathname_length(node); size = acpi_ns_get_pathname_length(node);
if (!size) { if (!size) {
return (NULL); return_PTR(NULL);
} }
/* Allocate a buffer to be returned to caller */ /* Allocate a buffer to be returned to caller */
@ -157,7 +157,8 @@ char *acpi_ns_get_external_pathname(struct acpi_namespace_node *node)
status = acpi_ns_build_external_path(node, size, name_buffer); status = acpi_ns_build_external_path(node, size, name_buffer);
if (ACPI_FAILURE(status)) { if (ACPI_FAILURE(status)) {
return (NULL); ACPI_FREE(name_buffer);
return_PTR(NULL);
} }
return_PTR(name_buffer); return_PTR(name_buffer);