memzap

commit c9da72cae72f1957d24d985aaf27a3cbbf61548c
parent 26da6b9bf2681ff171cfa661506f58996d677115
Author: sin <sin@2f30.org>
Date:   Sun,  3 Mar 2013 21:39:51 +0000

mdiff: Warn on empty rdiffs

Diffstat:
M
mdiff.c
 | 
4
+++-

1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/mdiff.c b/mdiff.c
@@ -146,8 +146,10 @@ mdiff_append_rdiff(int fd, struct mem_region_diff *rdiff)
 		return -EINVAL;
 
 	/* If this is an empty memory region diff, just bail out */
-	if (!rdiff->nmrdiffs)
+	if (!rdiff->nmrdiffs) {
+		warnx("rdiff with no memory diffs, skipping");
 		return 0;
+	}
 
 	for (i = 0; i < rdiff->nmrdiffs; i++) {
 		md = &rdiff->mrdiffs[i];