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devlink: use xa_for_each_start() helper in devlink_nl_cmd_port_get_dump_one() 

As xarray has an iterator helper that allows to start from specified
index, use this directly and avoid repeated iteration from 0.

Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko 2023-02-10 11:01:28 +01:00 committed by David S. Miller
parent 94ba1c316b
commit fbcf938150
1 changed files with 2 additions and 8 deletions
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10
net/devlink/leftover.c
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@ -1110,24 +1110,18 @@ devlink_nl_cmd_port_get_dump_one(struct sk_buff *msg, struct devlink *devlink,
struct devlink_nl_dump_state *state = devlink_dump_state(cb);
struct devlink_port *devlink_port;
unsigned long port_index;
int idx = 0;
int err = 0;
xa_for_each(&devlink->ports, port_index, devlink_port) {
if (idx < state->idx) {
idx++;
continue;
}
xa_for_each_start(&devlink->ports, port_index, devlink_port, state->idx) {
err = devlink_nl_port_fill(msg, devlink_port,
DEVLINK_CMD_NEW,
NETLINK_CB(cb->skb).portid,
cb->nlh->nlmsg_seq,
NLM_F_MULTI, cb->extack);
if (err) {
state->idx = idx;
state->idx = port_index;
break;
}
idx++;
}
return err;