The correct order is: NULL check before dereference Spotted by the Coverity checker.
Signed-off-by: Adrian Bunk <[EMAIL PROTECTED]> --- linux-2.6/net/tipc/port.c.old 2006-11-01 00:37:58.000000000 +0100 +++ linux-2.6/net/tipc/port.c 2006-11-01 00:38:27.000000000 +0100 @@ -1136,11 +1136,12 @@ int res = -EINVAL; p_ptr = tipc_port_lock(ref); + if (!p_ptr) + return -EINVAL; + dbg("tipc_publ %u, p_ptr = %x, conn = %x, scope = %x, " "lower = %u, upper = %u\n", ref, p_ptr, p_ptr->publ.connected, scope, seq->lower, seq->upper); - if (!p_ptr) - return -EINVAL; if (p_ptr->publ.connected) goto exit; if (seq->lower > seq->upper) - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html