diff options
| -rw-r--r-- | proto_nlmsg.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/proto_nlmsg.c b/proto_nlmsg.c index 0098d27..3f5ef64 100644 --- a/proto_nlmsg.c +++ b/proto_nlmsg.c @@ -22,7 +22,13 @@ static void nlmsg(struct pkt_buff *pkt) if (hdr == NULL) return; - /* Look up the process name if message is not coming from the kernel */ + /* Look up the process name if message is not coming from the kernel. + * + * Note that the port id is not necessarily equal to the PID of the + * receiving process (e.g. if the application is multithreaded or using + * multiple sockets). In these cases we're not able to find a matching + * PID and the information will not be printed. + */ if (hdr->nlmsg_pid != 0) { char path[1024]; int ret; |