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devlink: Remove redundant free on error path 

[ Upstream commit 7fe4d6dcbc ]

The current code performs unneeded free. Remove the redundant skb freeing
during the error path.

Fixes: 1555d204e7 ("devlink: Support for pipeline debug (dpipe)")
Signed-off-by: Arkadi Sharshevsky <arkadis@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
pull/10/head
Arkadi Sharshevsky 2018-03-18 17:37:22 +02:00 committed by Greg Kroah-Hartman
parent 67a1dc5675
commit b51eb57dac
1 changed files with 4 additions and 12 deletions
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16
net/core/devlink.c
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@ -1776,7 +1776,7 @@ send_done:
if (!nlh) {
err = devlink_dpipe_send_and_alloc_skb(&skb, info);
if (err)
goto err_skb_send_alloc;
return err;
goto send_done;
}
@ -1785,7 +1785,6 @@ send_done:
nla_put_failure:
err = -EMSGSIZE;
err_table_put:
err_skb_send_alloc:
genlmsg_cancel(skb, hdr);
nlmsg_free(skb);
return err;
@ -2051,7 +2050,7 @@ static int devlink_dpipe_entries_fill(struct genl_info *info,
table->counters_enabled,
&dump_ctx);
if (err)
goto err_entries_dump;
return err;
send_done:
nlh = nlmsg_put(dump_ctx.skb, info->snd_portid, info->snd_seq,
@ -2059,16 +2058,10 @@ send_done:
if (!nlh) {
err = devlink_dpipe_send_and_alloc_skb(&dump_ctx.skb, info);
if (err)
goto err_skb_send_alloc;
return err;
goto send_done;
}
return genlmsg_reply(dump_ctx.skb, info);
err_entries_dump:
err_skb_send_alloc:
genlmsg_cancel(dump_ctx.skb, dump_ctx.hdr);
nlmsg_free(dump_ctx.skb);
return err;
}
static int devlink_nl_cmd_dpipe_entries_get(struct sk_buff *skb,
@ -2207,7 +2200,7 @@ send_done:
if (!nlh) {
err = devlink_dpipe_send_and_alloc_skb(&skb, info);
if (err)
goto err_skb_send_alloc;
return err;
goto send_done;
}
return genlmsg_reply(skb, info);
@ -2215,7 +2208,6 @@ send_done:
nla_put_failure:
err = -EMSGSIZE;
err_table_put:
err_skb_send_alloc:
genlmsg_cancel(skb, hdr);
nlmsg_free(skb);
return err;