[Skiboot] [PATCH 5/8] gard: Add usage message for -p

[Oliver O'Halloran]

The -p argument only really makes sense when -f is specified. Print an
actual error message rather than just the usage blob.

Signed-off-by: Oliver O'Halloran <oohall at gmail.com>
---
 external/gard/gard.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/external/gard/gard.c b/external/gard/gard.c
index d7a0876bbf31..23f87fb9bbf7 100644
--- a/external/gard/gard.c
+++ b/external/gard/gard.c
@@ -899,6 +899,7 @@ int main(int argc, char **argv)
 	 */
 	if (part && !filename) {
 		usage(progname);
+		fprintf(stderr, "-p only makes sense when used with -f!\n");
 		return EXIT_FAILURE;
 	}
 
-- 
2.9.5