From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andreas Schultz Subject: [PATCH net-next v5 6/7] gtp: consolidate pdp context destruction into helper Date: Thu, 9 Mar 2017 17:43:01 +0100 Message-ID: <20170309164302.13550-7-aschultz@tpip.net> References: <20170309164302.13550-1-aschultz@tpip.net> Cc: osmocom-net-gprs@lists.osmocom.org, netdev To: Harald Welte , Pablo Neira Ayuso Return-path: Received: from mail.tpip.net ([92.43.49.48]:60143 "EHLO mail.tpip.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932722AbdCIQnr (ORCPT ); Thu, 9 Mar 2017 11:43:47 -0500 In-Reply-To: <20170309164302.13550-1-aschultz@tpip.net> Sender: netdev-owner@vger.kernel.org List-ID: Consolidate duplicate code into helper. Signed-off-by: Andreas Schultz --- drivers/net/gtp.c | 24 ++++++++++++++---------- 1 file changed, 14 insertions(+), 10 deletions(-) diff --git a/drivers/net/gtp.c b/drivers/net/gtp.c index bf4b352..d58f46f 100644 --- a/drivers/net/gtp.c +++ b/drivers/net/gtp.c @@ -86,6 +86,8 @@ struct gtp_net { static u32 gtp_h_initval; +static void pdp_context_delete(struct pdp_ctx *pctx); + static inline u32 gtp0_hashfn(u64 tid) { u32 *tid32 = (u32 *) &tid; @@ -780,13 +782,10 @@ static void gtp_hashtable_free(struct gtp_dev *gtp) struct pdp_ctx *pctx; int i; - for (i = 0; i < gtp->hash_size; i++) { - hlist_for_each_entry_rcu(pctx, >p->tid_hash[i], hlist_tid) { - hlist_del_rcu(&pctx->hlist_tid); - hlist_del_rcu(&pctx->hlist_addr); - kfree_rcu(pctx, rcu_head); - } - } + for (i = 0; i < gtp->hash_size; i++) + hlist_for_each_entry_rcu(pctx, >p->tid_hash[i], hlist_tid) + pdp_context_delete(pctx); + synchronize_rcu(); kfree(gtp->addr_hash); kfree(gtp->tid_hash); @@ -995,6 +994,13 @@ static int ipv4_pdp_add(struct gtp_dev *gtp, struct genl_info *info) return 0; } +static void pdp_context_delete(struct pdp_ctx *pctx) +{ + hlist_del_rcu(&pctx->hlist_tid); + hlist_del_rcu(&pctx->hlist_addr); + kfree_rcu(pctx, rcu_head); +} + static int gtp_genl_new_pdp(struct sk_buff *skb, struct genl_info *info) { struct gtp_dev *gtp; @@ -1100,9 +1106,7 @@ static int gtp_genl_del_pdp(struct sk_buff *skb, struct genl_info *info) netdev_dbg(pctx->dev, "GTPv1-U: deleting tunnel id = %x/%x (pdp %p)\n", pctx->u.v1.i_tei, pctx->u.v1.o_tei, pctx); - hlist_del_rcu(&pctx->hlist_tid); - hlist_del_rcu(&pctx->hlist_addr); - kfree_rcu(pctx, rcu_head); + pdp_context_delete(pctx); out_unlock: rcu_read_unlock(); -- 2.10.2