memzap

commit 8484ac15905bfff3892d9a7dcb3475ba018bb8e4
parent 8b34827a0692d8ecd4d176fef4c2af79a47a69b4
Author: sin <sin@2f30.org>
Date:   Sun,  3 Mar 2013 21:49:12 +0000

mem: Don't apply empty rdiffs

Diffstat:
M
mem.c
 | 
3
+++

1 file changed, 3 insertions(+), 0 deletions(-)
diff --git a/mem.c b/mem.c
@@ -296,6 +296,9 @@ apply_diff(struct mem_region *dst,
 	if (!dst || !rdiff)
 		return NULL;
 
+	if (!rdiff->nmrdiffs)
+		return NULL;
+
 	for (i = 0; i < rdiff->nmrdiffs; i++) {
 		mdiff = &rdiff->mrdiffs[i];
 		mb = &dst->mblks[mdiff->index];