From 506ada89629ec7059b96ecfb0dc7d33ece0103ca Mon Sep 17 00:00:00 2001 From: Eduard Zingerman Date: Fri, 4 Sep 2026 17:05:56 -0700 Subject: bpf: mark a NULL kfunc argument precise check_kfunc_arg() allows bpf_register_is_null() for nullable arguments w/o marking the underlying scalar register precise. Hence a checkpoint created on such a path would prune against arbitrary scalar value. Fixes: 3bda08b63670 ("bpf: Allow NULL buffers in bpf_dynptr_slice(_rw)") Signed-off-by: Eduard Zingerman Link: https://lore.kernel.org/r/20260904-register-is-null-precise-fixes-v1-5-0f5a360ff15d@gmail.com Signed-off-by: Alexei Starovoitov --- net/mac80211/led.h | 86 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 86 insertions(+) create mode 100644 net/mac80211/led.h (limited to 'net/mac80211/led.h') diff --git a/net/mac80211/led.h b/net/mac80211/led.h new file mode 100644 index 000000000..d25f13346 --- /dev/null +++ b/net/mac80211/led.h @@ -0,0 +1,86 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright 2006, Johannes Berg + */ + +#include +#include +#include +#include "ieee80211_i.h" + +#define MAC80211_BLINK_DELAY 50 /* ms */ + +static inline void ieee80211_led_rx(struct ieee80211_local *local) +{ +#ifdef CONFIG_MAC80211_LEDS + if (!atomic_read(&local->rx_led_active)) + return; + led_trigger_blink_oneshot(&local->rx_led, MAC80211_BLINK_DELAY, MAC80211_BLINK_DELAY, 0); +#endif +} + +static inline void ieee80211_led_tx(struct ieee80211_local *local) +{ +#ifdef CONFIG_MAC80211_LEDS + if (!atomic_read(&local->tx_led_active)) + return; + led_trigger_blink_oneshot(&local->tx_led, MAC80211_BLINK_DELAY, MAC80211_BLINK_DELAY, 0); +#endif +} + +#ifdef CONFIG_MAC80211_LEDS +void ieee80211_led_assoc(struct ieee80211_local *local, + bool associated); +void ieee80211_led_radio(struct ieee80211_local *local, + bool enabled); +void ieee80211_alloc_led_names(struct ieee80211_local *local); +void ieee80211_free_led_names(struct ieee80211_local *local); +void ieee80211_led_init(struct ieee80211_local *local); +void ieee80211_led_exit(struct ieee80211_local *local); +void ieee80211_mod_tpt_led_trig(struct ieee80211_local *local, + unsigned int types_on, unsigned int types_off); +#else +static inline void ieee80211_led_assoc(struct ieee80211_local *local, + bool associated) +{ +} +static inline void ieee80211_led_radio(struct ieee80211_local *local, + bool enabled) +{ +} +static inline void ieee80211_alloc_led_names(struct ieee80211_local *local) +{ +} +static inline void ieee80211_free_led_names(struct ieee80211_local *local) +{ +} +static inline void ieee80211_led_init(struct ieee80211_local *local) +{ +} +static inline void ieee80211_led_exit(struct ieee80211_local *local) +{ +} +static inline void ieee80211_mod_tpt_led_trig(struct ieee80211_local *local, + unsigned int types_on, + unsigned int types_off) +{ +} +#endif + +static inline void +ieee80211_tpt_led_trig_tx(struct ieee80211_local *local, int bytes) +{ +#ifdef CONFIG_MAC80211_LEDS + if (atomic_read(&local->tpt_led_active)) + local->tpt_led_trigger->tx_bytes += bytes; +#endif +} + +static inline void +ieee80211_tpt_led_trig_rx(struct ieee80211_local *local, int bytes) +{ +#ifdef CONFIG_MAC80211_LEDS + if (atomic_read(&local->tpt_led_active)) + local->tpt_led_trigger->rx_bytes += bytes; +#endif +} -- cgit v1.3.1