Commit 301b0404 authored Jan 22, 2018 by Benjamin Beichler Committed by Johannes Berg Jan 31, 2018

mac80211_hwsim: add nl_err_msg in hwsim_new_radio in netlink case



Add a NL_ERR_MSG in case of creating a radio by a netlink message to give
clear output to the creating process instead of creating only a debug
message in kernel log. The same function is used for the creation while
module load, so keep the old message, although it should never be thrown
while load, because the module controls all mac addresses.

Signed-off-by: Benjamin Beichler <benjamin.beichler@uni-rostock.de>
[remove message, add missing braces]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

parent cb1a5bae

drivers/net/wireless/mac80211_hwsim.c

+5 −2

Original line number	Diff line number	Diff line
		@@ -2797,8 +2797,11 @@ static int mac80211_hwsim_new_radio(struct genl_info *info,
		err = rhashtable_insert_fast(&hwsim_radios_rht, &data->rht,
		hwsim_rht_params);
		if (err < 0) {
		pr_debug("mac80211_hwsim: radio index %d already present\n",
		idx);
		if (info) {
		GENL_SET_ERR_MSG(info, "perm addr already present");
		NL_SET_BAD_ATTR(info->extack,
		info->attrs[HWSIM_ATTR_PERM_ADDR]);
		}
		spin_unlock_bh(&hwsim_radio_lock);
		goto failed_final_insert;
		}