s4:auth: Check return values of talloc functions

Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>

diff --git a/source4/auth/sam.c b/source4/auth/sam.c
index 5409007722f6be26da81a97c89b0da35e8e4b057..916899c6d9370cbdf54b262b3c1b048d70966852 100644 (file)
--- a/source4/auth/sam.c
+++ b/source4/auth/sam.c
@@ -322,6 +322,9 @@ static NTSTATUS authsam_domain_group_filter(TALLOC_CTX *mem_ctx,
        *_filter = NULL;
 
        filter = talloc_strdup(mem_ctx, "(&(objectClass=group)");
+       if (filter == NULL) {
+               return NT_STATUS_NO_MEMORY;
+       }
 
        /*
         * Skip all builtin groups, they're added later.
@@ -329,6 +332,9 @@ static NTSTATUS authsam_domain_group_filter(TALLOC_CTX *mem_ctx,
        talloc_asprintf_addbuf(&filter,
                               "(!(groupType:"LDB_OID_COMPARATOR_AND":=%u))",
                               GROUP_TYPE_BUILTIN_LOCAL_GROUP);
+       if (filter == NULL) {
+               return NT_STATUS_NO_MEMORY;
+       }
        /*
         * Only include security groups.
         */