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net: remove unnecessary genlmsg_cancel() calls 

the message be freed immediately, no need to trim it
back to the previous size.

Inspired by commit 7a9b3ec1e1 ("nl80211: remove unnecessary genlmsg_cancel() calls")

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
YueHaibing 2018-05-26 19:15:48 +08:00 committed by David S. Miller
parent 77ab8d5d29
commit c1c9a3c966
6 changed files with 0 additions and 26 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/team/team.c
View File

@ -2426,7 +2426,6 @@ send_done:
nla_put_failure:
err = -EMSGSIZE;
errout:
genlmsg_cancel(skb, hdr);
nlmsg_free(skb);
return err;
}
@ -2720,7 +2719,6 @@ send_done:
nla_put_failure:
err = -EMSGSIZE;
errout:
genlmsg_cancel(skb, hdr);
nlmsg_free(skb);
return err;
}

1
drivers/net/wireless/mac80211_hwsim.c
View File

@ -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);
}

4
net/core/devlink.c
View File

@ -1826,7 +1826,6 @@ send_done:
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 @@ send_done:
nla_put_failure:
err = -EMSGSIZE;
err_table_put:
genlmsg_cancel(skb, hdr);
nlmsg_free(skb);
return err;
}
@ -2551,7 +2548,6 @@ nla_put_failure:
err = -EMSGSIZE;
err_resource_put:
err_skb_send_alloc:
genlmsg_cancel(skb, hdr);
nlmsg_free(skb);
return err;
}

1
net/ipv6/seg6.c
View File

@ -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;

1
net/ncsi/ncsi-netlink.c
View File

@ -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;
}

17
net/nfc/netlink.c
View File

@ -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);