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ieee802154: Convert scan error messages to extack

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Instead of printing error messages in the kernel log, let's use extack.
When there is a netlink error returned that could be further specified
with a string, use extack as well.

Apply this logic to the very recent scan/beacon infrastructure.

Fixes: ed3557c947 ("ieee802154: Add support for user scanning requests")
Fixes: 9bc114504b ("ieee802154: Add support for user beaconing requests")
Suggested-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/r/20230214135035.1202471-3-miquel.raynal@bootlin.com
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
This commit is contained in:
Miquel Raynal 2023-02-14 14:50:31 +01:00 committed by Stefan Schmidt
parent 648324c9b6
commit a0b6106672
1 changed files with 13 additions and 6 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

19
net/ieee802154/nl802154.c
View file

@ -1407,9 +1407,15 @@ static int nl802154_trigger_scan(struct sk_buff *skb, struct genl_info *info)
u8 type;
int err;
/* Monitors are not allowed to perform scans */
if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR)
if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR) {
NL_SET_ERR_MSG(info->extack, "Monitors are not allowed to perform scans");
return -EPERM;
}
if (!nla_get_u8(info->attrs[NL802154_ATTR_SCAN_TYPE])) {
NL_SET_ERR_MSG(info->extack, "Malformed request, missing scan type");
return -EINVAL;
}
request = kzalloc(sizeof(*request), GFP_KERNEL);
if (!request)
@ -1424,7 +1430,7 @@ static int nl802154_trigger_scan(struct sk_buff *skb, struct genl_info *info)
request->type = type;
break;
default:
pr_err("Unsupported scan type: %d\n", type);
NL_SET_ERR_MSG_FMT(info->extack, "Unsupported scan type: %d", type);
err = -EINVAL;
goto free_request;
}
@ -1576,12 +1582,13 @@ nl802154_send_beacons(struct sk_buff *skb, struct genl_info *info)
struct cfg802154_beacon_request *request;
int err;
/* Only coordinators can send beacons */
if (wpan_dev->iftype != NL802154_IFTYPE_COORD)
if (wpan_dev->iftype != NL802154_IFTYPE_COORD) {
NL_SET_ERR_MSG(info->extack, "Only coordinators can send beacons");
return -EOPNOTSUPP;
}
if (wpan_dev->pan_id == cpu_to_le16(IEEE802154_PANID_BROADCAST)) {
pr_err("Device is not part of any PAN\n");
NL_SET_ERR_MSG(info->extack, "Device is not part of any PAN");
return -EPERM;
}