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Date: Sat, 26 May 2018 19:15:48 +0800
From: YueHaibing <yuehaibing@...wei.com>
To: <davem@...emloft.net>, <jiri@...nulli.us>
CC: <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<johannes@...solutions.net>, <kvalo@...eaurora.org>,
<kuznet@....inr.ac.ru>, <yoshfuji@...ux-ipv6.org>,
<sameo@...ux.intel.com>, <linux-wireless@...r.kernel.org>,
YueHaibing <yuehaibing@...wei.com>
Subject: [PATCH net-next] net: remove unnecessary genlmsg_cancel() calls
the message be freed immediately, no need to trim it
back to the previous size.
Inspired by commit 7a9b3ec1e19f ("nl80211: remove unnecessary genlmsg_cancel() calls")
Signed-off-by: YueHaibing <yuehaibing@...wei.com>
---
drivers/net/team/team.c | 2 --
drivers/net/wireless/mac80211_hwsim.c | 1 -
net/core/devlink.c | 4 ----
net/ipv6/seg6.c | 1 -
net/ncsi/ncsi-netlink.c | 1 -
net/nfc/netlink.c | 17 -----------------
6 files changed, 26 deletions(-)
diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c
index e6730a0..267dcc9 100644
--- a/drivers/net/team/team.c
+++ b/drivers/net/team/team.c
@@ -2426,7 +2426,6 @@ static int team_nl_send_options_get(struct team *team, u32 portid, u32 seq,
nla_put_failure:
err = -EMSGSIZE;
errout:
- genlmsg_cancel(skb, hdr);
nlmsg_free(skb);
return err;
}
@@ -2720,7 +2719,6 @@ static int team_nl_send_port_list_get(struct team *team, u32 portid, u32 seq,
nla_put_failure:
err = -EMSGSIZE;
errout:
- genlmsg_cancel(skb, hdr);
nlmsg_free(skb);
return err;
}
diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index c26469b..38e1135 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -2514,7 +2514,6 @@ static void hwsim_mcast_new_radio(int id, struct genl_info *info,
return;
out_err:
- genlmsg_cancel(mcast_skb, data);
nlmsg_free(mcast_skb);
}
diff --git a/net/core/devlink.c b/net/core/devlink.c
index 475246b..f75ee02 100644
--- a/net/core/devlink.c
+++ b/net/core/devlink.c
@@ -1826,7 +1826,6 @@ static int devlink_dpipe_tables_fill(struct genl_info *info,
nla_put_failure:
err = -EMSGSIZE;
err_table_put:
- genlmsg_cancel(skb, hdr);
nlmsg_free(skb);
return err;
}
@@ -2032,7 +2031,6 @@ int devlink_dpipe_entry_ctx_prepare(struct devlink_dpipe_dump_ctx *dump_ctx)
return 0;
nla_put_failure:
- genlmsg_cancel(dump_ctx->skb, dump_ctx->hdr);
nlmsg_free(dump_ctx->skb);
return -EMSGSIZE;
}
@@ -2249,7 +2247,6 @@ static int devlink_dpipe_headers_fill(struct genl_info *info,
nla_put_failure:
err = -EMSGSIZE;
err_table_put:
- genlmsg_cancel(skb, hdr);
nlmsg_free(skb);
return err;
}
@@ -2551,7 +2548,6 @@ static int devlink_resource_fill(struct genl_info *info,
err = -EMSGSIZE;
err_resource_put:
err_skb_send_alloc:
- genlmsg_cancel(skb, hdr);
nlmsg_free(skb);
return err;
}
diff --git a/net/ipv6/seg6.c b/net/ipv6/seg6.c
index 7f5621d..0fdf2a5 100644
--- a/net/ipv6/seg6.c
+++ b/net/ipv6/seg6.c
@@ -226,7 +226,6 @@ static int seg6_genl_get_tunsrc(struct sk_buff *skb, struct genl_info *info)
nla_put_failure:
rcu_read_unlock();
- genlmsg_cancel(msg, hdr);
free_msg:
nlmsg_free(msg);
return -ENOMEM;
diff --git a/net/ncsi/ncsi-netlink.c b/net/ncsi/ncsi-netlink.c
index b09ef77..99f4c22 100644
--- a/net/ncsi/ncsi-netlink.c
+++ b/net/ncsi/ncsi-netlink.c
@@ -201,7 +201,6 @@ static int ncsi_pkg_info_nl(struct sk_buff *msg, struct genl_info *info)
return genlmsg_reply(skb, info);
err:
- genlmsg_cancel(skb, hdr);
kfree_skb(skb);
return rc;
}
diff --git a/net/nfc/netlink.c b/net/nfc/netlink.c
index f018eaf..376181c 100644
--- a/net/nfc/netlink.c
+++ b/net/nfc/netlink.c
@@ -206,7 +206,6 @@ int nfc_genl_targets_found(struct nfc_dev *dev)
return genlmsg_multicast(&nfc_genl_family, msg, 0, 0, GFP_ATOMIC);
nla_put_failure:
- genlmsg_cancel(msg, hdr);
free_msg:
nlmsg_free(msg);
return -EMSGSIZE;
@@ -237,7 +236,6 @@ int nfc_genl_target_lost(struct nfc_dev *dev, u32 target_idx)
return 0;
nla_put_failure:
- genlmsg_cancel(msg, hdr);
free_msg:
nlmsg_free(msg);
return -EMSGSIZE;
@@ -269,7 +267,6 @@ int nfc_genl_tm_activated(struct nfc_dev *dev, u32 protocol)
return 0;
nla_put_failure:
- genlmsg_cancel(msg, hdr);
free_msg:
nlmsg_free(msg);
return -EMSGSIZE;
@@ -299,7 +296,6 @@ int nfc_genl_tm_deactivated(struct nfc_dev *dev)
return 0;
nla_put_failure:
- genlmsg_cancel(msg, hdr);
free_msg:
nlmsg_free(msg);
return -EMSGSIZE;
@@ -340,7 +336,6 @@ int nfc_genl_device_added(struct nfc_dev *dev)
return 0;
nla_put_failure:
- genlmsg_cancel(msg, hdr);
free_msg:
nlmsg_free(msg);
return -EMSGSIZE;
@@ -370,7 +365,6 @@ int nfc_genl_device_removed(struct nfc_dev *dev)
return 0;
nla_put_failure:
- genlmsg_cancel(msg, hdr);
free_msg:
nlmsg_free(msg);
return -EMSGSIZE;
@@ -434,8 +428,6 @@ int nfc_genl_llc_send_sdres(struct nfc_dev *dev, struct hlist_head *sdres_list)
return genlmsg_multicast(&nfc_genl_family, msg, 0, 0, GFP_ATOMIC);
nla_put_failure:
- genlmsg_cancel(msg, hdr);
-
free_msg:
nlmsg_free(msg);
@@ -470,7 +462,6 @@ int nfc_genl_se_added(struct nfc_dev *dev, u32 se_idx, u16 type)
return 0;
nla_put_failure:
- genlmsg_cancel(msg, hdr);
free_msg:
nlmsg_free(msg);
return -EMSGSIZE;
@@ -501,7 +492,6 @@ int nfc_genl_se_removed(struct nfc_dev *dev, u32 se_idx)
return 0;
nla_put_failure:
- genlmsg_cancel(msg, hdr);
free_msg:
nlmsg_free(msg);
return -EMSGSIZE;
@@ -546,7 +536,6 @@ int nfc_genl_se_transaction(struct nfc_dev *dev, u8 se_idx,
return 0;
nla_put_failure:
- genlmsg_cancel(msg, hdr);
free_msg:
/* evt_transaction is no more used */
devm_kfree(&dev->dev, evt_transaction);
@@ -585,7 +574,6 @@ int nfc_genl_se_connectivity(struct nfc_dev *dev, u8 se_idx)
return 0;
nla_put_failure:
- genlmsg_cancel(msg, hdr);
free_msg:
nlmsg_free(msg);
return -EMSGSIZE;
@@ -703,7 +691,6 @@ int nfc_genl_dep_link_up_event(struct nfc_dev *dev, u32 target_idx,
return 0;
nla_put_failure:
- genlmsg_cancel(msg, hdr);
free_msg:
nlmsg_free(msg);
return -EMSGSIZE;
@@ -735,7 +722,6 @@ int nfc_genl_dep_link_down_event(struct nfc_dev *dev)
return 0;
nla_put_failure:
- genlmsg_cancel(msg, hdr);
free_msg:
nlmsg_free(msg);
return -EMSGSIZE;
@@ -1030,7 +1016,6 @@ static int nfc_genl_send_params(struct sk_buff *msg,
return 0;
nla_put_failure:
-
genlmsg_cancel(msg, hdr);
return -EMSGSIZE;
}
@@ -1290,7 +1275,6 @@ int nfc_genl_fw_download_done(struct nfc_dev *dev, const char *firmware_name,
return 0;
nla_put_failure:
- genlmsg_cancel(msg, hdr);
free_msg:
nlmsg_free(msg);
return -EMSGSIZE;
@@ -1507,7 +1491,6 @@ static void se_io_cb(void *context, u8 *apdu, size_t apdu_len, int err)
return;
nla_put_failure:
- genlmsg_cancel(msg, hdr);
free_msg:
nlmsg_free(msg);
kfree(ctx);
--
2.7.0
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