X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=lib%2Fdhcp.c;h=e16176ba1bf32ee83059e6a6aa9e85df833e5aab;hb=26ad129e69fc7c800630dbd541dc2dcc8150c3a4;hp=a8f024482b3a8a62eec3d3baf51a4a53730cf091;hpb=691556222cadce47c117134ac1584b75a294367e;p=openvswitch

diff --git a/lib/dhcp.c b/lib/dhcp.c
index a8f02448..e16176ba 100644
--- a/lib/dhcp.c
+++ b/lib/dhcp.c
@@ -497,7 +497,7 @@ dhcp_option_equals(const struct dhcp_option *a, const struct dhcp_option *b)
 {
     return ((a->data != NULL) == (b->data != NULL)
             && a->n == b->n
-            && !memcmp(a->data, b->data, a->n));
+            && (!a->data || !memcmp(a->data, b->data, a->n)));
 }
 
 /* Replaces 'ds' by a string representation of 'msg'.  If 'multiline' is