libsmb: Remove overflow check

Pointer overflow is undefined, so this check does not accomplish
anything.

Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>

diff --git a/source3/libsmb/clifsinfo.c b/source3/libsmb/clifsinfo.c
index a9b3b03abb698f69c1380c1cbef1d552091e749f..135a77f2312322714d8233cf2cbdca55bc086143 100644 (file)
--- a/source3/libsmb/clifsinfo.c
+++ b/source3/libsmb/clifsinfo.c
@@ -650,7 +650,7 @@ static void cli_posix_whoami_done(struct tevent_req *subreq)
         * parsing network packets in C.
         */
 
-       if (num_rdata < 40 || rdata + num_rdata < rdata) {
+       if (num_rdata < 40) {
                tevent_req_nterror(req, NT_STATUS_INVALID_NETWORK_RESPONSE);
                return;
        }