Hi, Le 28 Feb 2006 08:42:03 -0000, "kiran kumar" <kiran07_nitk@xxxxxxxxxxxxxx> a écrit : > struct sock *sk; > tcp_send_ack(sk); Where is initialized "sk" before calling tcp_send_ack() ? Note: the code you posted is badly indented, which renders it almost unreadable. Sincerly, Thomas -- Thomas Petazzoni - thomas.petazzoni@xxxxxxxx http://{thomas,sos,kos}.enix.org - http://www.toulibre.org http://www.{livret,agenda}dulibre.org -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/