libdmsg: Fix pointer dereference.

diff --git a/lib/libdmsg/crypto.c b/lib/libdmsg/crypto.c
index 9379326..88e48e3 100644 (file)
--- a/lib/libdmsg/crypto.c
+++ b/lib/libdmsg/crypto.c
@@ -191,7 +191,7 @@ _gcm_iv_increment(char *iv)
         * Detect wrap-around, which means it is time to renegotiate
         * the session to get a new key and/or fixed field.
         */
-       return (c == 0) ? 0 : 1;
+       return (*c == 0) ? 0 : 1;
 }
 
 static