net/colo-compare.c: Fix incorrect return when input wrong size

Signed-off-by: Zhang Chen <[email protected]>
Signed-off-by: Jason Wang <[email protected]>

diff --git a/net/colo-compare.c b/net/colo-compare.c
index 1225f40e41c0475919470d65c11b59946aad354c..b966e7e514d031f67d7ddd9a482d7d1ee4cb4d1d 100644 (file)
--- a/net/colo-compare.c
+++ b/net/colo-compare.c
@@ -807,7 +807,7 @@ static int compare_chr_send(CompareState *s,
     }
 
     if (!size) {
-        return 0;
+        return -1;
     }
 
     entry = g_slice_new(SendEntry);