Change tst_resm() followed by tst_exit() to tst_brkm()

Created with coccinelle patch:

@@
expression list L;
expression C != {TINFO, TPASS};
@@
- tst_resm
+ tst_brkm
   (C,
+   NULL,
    L);
- tst_exit();

Signed-off-by: Cyril Hrubis <chrubis@suse.cz>
diff --git a/testcases/kernel/mem/vmtests/data_space.c b/testcases/kernel/mem/vmtests/data_space.c
index 61a31ff..db17038 100644
--- a/testcases/kernel/mem/vmtests/data_space.c
+++ b/testcases/kernel/mem/vmtests/data_space.c
@@ -96,8 +96,7 @@
 {
 	tst_resm(TCONF, "Usage: %s <nchild> <size> <chunk_size> <iterations>",
 		 prog);
-	tst_resm(TCONF, "DEFAULTS: 10 1024*1024 4096 25");
-	tst_exit();
+	tst_brkm(TCONF, NULL, "DEFAULTS: 10 1024*1024 4096 25");
 }
 
 int main(argc, argv)
@@ -493,9 +492,9 @@
 		tst_resm(TINFO, "\tThis is ok - probably swap space limit.\n");
 		tst_exit();
 	} else {
-		tst_resm(TBROK,
+		tst_brkm(TBROK,
+			 NULL,
 			 "\tThis is not ok for first child - check parameters.\n");
-		tst_exit();
 	}
 
 	return 0;