1 files changed, 1 insertions, 1 deletions

diff --git a/net/ipv4/ip_options.c b/net/ipv4/ip_options.c
index f6289bf6f332..310a3647c83d 100644
--- a/net/ipv4/ip_options.c
+++ b/net/ipv4/ip_options.c
@@ -423,7 +423,7 @@ int ip_options_compile(struct net *net,
                                         put_unaligned_be32(midtime, timeptr);
                                         opt->is_changed = 1;
                                 }
-                        } else {
+                        } else if ((optptr[3]&0xF) != IPOPT_TS_PRESPEC) {
                                 unsigned int overflow = optptr[3]>>4;
                                 if (overflow == 15) {
                                         pp_ptr = optptr + 3;