Fix a segv bug in findsehash.

[doldaconnect.git] / daemon / fnet-dc.c

diff --git a/daemon/fnet-dc.c b/daemon/fnet-dc.c
index 175563b..d45b144 100644 (file)
--- a/daemon/fnet-dc.c
+++ b/daemon/fnet-dc.c
@@ -2427,8 +2427,10 @@ static struct hash *findsehash(struct sexpr *sexpr)
            return(h1);
        break;
     case SOP_OR:
-       h1 = findsehash(sexpr->l);
-       h2 = findsehash(sexpr->r);
+       if((h1 = findsehash(sexpr->l)) == NULL)
+           return(NULL);
+       if((h2 = findsehash(sexpr->r)) == NULL)
+           return(NULL);
        if(hashcmp(h1, h2))
            return(h1);
        break;