selftests/nolibc: report failure if no testcase passed

When nolibc-test is so broken, it doesn't even start,
don't report success.

Reviewed-by: Shuah Khan <[email protected]>
Acked-by: Willy Tarreau <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Thomas Weißschuh <[email protected]>

Author: t-8ch

tools/testing/selftests/nolibc/Makefile

@@ -157,7 +157,7 @@ LDFLAGS :=
 
 REPORT  ?= awk '/\[OK\][\r]*$$/{p++} /\[FAIL\][\r]*$$/{if (!f) printf("\n"); f++; print;} /\[SKIPPED\][\r]*$$/{s++} \
 		END{ printf("\n%3d test(s): %3d passed, %3d skipped, %3d failed => status: ", p+s+f, p, s, f); \
-		if (f) printf("failure\n"); else if (s) printf("warning\n"); else printf("success\n");; \
+		if (f || !p) printf("failure\n"); else if (s) printf("warning\n"); else printf("success\n");; \
 		printf("\nSee all results in %s\n", ARGV[1]); }'
 
 help: