From: Johannes Berg Date: Mon, 6 Jan 2014 21:56:30 +0000 (+0100) Subject: mac80211_hwsim: assign index from separate counter X-Git-Tag: upstream/snapshot3+hdmi~3572^2~3^2^2~42^2~6 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2d68992b6079cd5bdfff85251c3c670ce1560d5c;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git mac80211_hwsim: assign index from separate counter To later allow dynamic registration, assign the index for the struct device and MAC address from a new free-running counter. Signed-off-by: Johannes Berg --- diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c index 59caa10..8df3d5e 100644 --- a/drivers/net/wireless/mac80211_hwsim.c +++ b/drivers/net/wireless/mac80211_hwsim.c @@ -217,6 +217,7 @@ static const struct ieee80211_rate hwsim_rates[] = { static spinlock_t hwsim_radio_lock; static struct list_head hwsim_radios; +static int hwsim_radio_idx; struct mac80211_hwsim_data { struct list_head list; @@ -2126,7 +2127,7 @@ static const struct ieee80211_iface_combination hwsim_if_comb[] = { } }; -static int __init mac80211_hwsim_create_radio(int idx) +static int __init mac80211_hwsim_create_radio(void) { int err; u8 addr[ETH_ALEN]; @@ -2134,6 +2135,11 @@ static int __init mac80211_hwsim_create_radio(int idx) struct ieee80211_hw *hw; enum ieee80211_band band; const struct ieee80211_ops *ops = &mac80211_hwsim_ops; + int idx; + + spin_lock_bh(&hwsim_radio_lock); + idx = hwsim_radio_idx++; + spin_unlock_bh(&hwsim_radio_lock); if (channels > 1) ops = &mac80211_hwsim_mchan_ops; @@ -2375,7 +2381,7 @@ static int __init init_mac80211_hwsim(void) } for (i = 0; i < radios; i++) { - err = mac80211_hwsim_create_radio(i); + err = mac80211_hwsim_create_radio(); if (err) goto out_free_radios; }