From 2b74e2caece67798195228775306aa97dbc51516 Mon Sep 17 00:00:00 2001 From: Duan Jiong Date: Wed, 18 Jun 2014 16:48:39 +0800 Subject: [PATCH] net: em_canid: remove useless statements from em_canid_change tcf_ematch is allocated by kzalloc in function tcf_em_tree_validate(), so cm_old is always NULL. Signed-off-by: Duan Jiong Signed-off-by: David S. Miller --- net/sched/em_canid.c | 7 ------- 1 file changed, 7 deletions(-) diff --git a/net/sched/em_canid.c b/net/sched/em_canid.c index bfd34e4c1afc..7c292d474f47 100644 --- a/net/sched/em_canid.c +++ b/net/sched/em_canid.c @@ -125,7 +125,6 @@ static int em_canid_change(struct tcf_proto *tp, void *data, int len, { struct can_filter *conf = data; /* Array with rules */ struct canid_match *cm; - struct canid_match *cm_old = (struct canid_match *)m->data; int i; if (!len) @@ -181,12 +180,6 @@ static int em_canid_change(struct tcf_proto *tp, void *data, int len, m->datalen = sizeof(struct canid_match) + len; m->data = (unsigned long)cm; - - if (cm_old != NULL) { - pr_err("canid: Configuring an existing ematch!\n"); - kfree(cm_old); - } - return 0; } -- 2.20.1