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net: remove unnecessary genlmsg_cancel() calls

Browse source 
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 <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
YueHaibing 2018-05-26 19:15:48 +08:00 • committed by David S. Miller
commit c1c9a3c966
6 changed files with 0 additions and 26 deletions
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17
net/nfc/netlink.c
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@ -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);