1 files changed, 1 insertions, 0 deletions

diff --git a/net/dccp/dccp.h b/net/dccp/dccp.h
index 44829d636c93..a0900bf98e6b 100644
--- a/net/dccp/dccp.h
+++ b/net/dccp/dccp.h
@@ -432,6 +432,7 @@ static inline void timeval_sub_usecs(struct timeval *tv,
                 tv->tv_sec--;
                 tv->tv_usec += USEC_PER_SEC;
         }
+        DCCP_BUG_ON(tv->tv_sec < 0);
 }
 
 #ifdef CONFIG_SYSCTL