diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/convert_scm_timestamps.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/convert_scm_timestamps.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/sysdeps/unix/sysv/linux/convert_scm_timestamps.c b/sysdeps/unix/sysv/linux/convert_scm_timestamps.c index ebf83de948..580eb4be84 100644 --- a/sysdeps/unix/sysv/linux/convert_scm_timestamps.c +++ b/sysdeps/unix/sysv/linux/convert_scm_timestamps.c @@ -54,8 +54,6 @@ __convert_scm_timestamps (struct msghdr *msg, socklen_t msgsize) cmsg != NULL; cmsg = CMSG_NXTHDR (msg, cmsg)) { - last = cmsg; - if (cmsg->cmsg_level != SOL_SOCKET) continue; @@ -77,6 +75,8 @@ __convert_scm_timestamps (struct msghdr *msg, socklen_t msgsize) tvts[1] = tmp[1]; break; } + + last = cmsg; } if (last == NULL || type == 0) @@ -88,11 +88,10 @@ __convert_scm_timestamps (struct msghdr *msg, socklen_t msgsize) return; } - /* Zero memory for the new cmsghdr, required by CMSG_NXTHDR. */ - memset (msg->msg_control + msg->msg_controllen, 0, - CMSG_SPACE (sizeof tvts)); msg->msg_controllen += CMSG_SPACE (sizeof tvts); - cmsg = CMSG_NXTHDR (msg, last); + cmsg = CMSG_NXTHDR(msg, last); + if (cmsg == NULL) + return; cmsg->cmsg_level = SOL_SOCKET; cmsg->cmsg_type = type; cmsg->cmsg_len = CMSG_LEN (sizeof tvts); |