d6755bd4fb
Since the rsi_create_kthread interface does not include any format string arguments, make sure that the resulting thread name can never accidentally process the name as a format string. Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
87 lines
2.6 KiB
C
87 lines
2.6 KiB
C
/**
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* Copyright (c) 2014 Redpine Signals Inc.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef __RSI_COMMON_H__
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#define __RSI_COMMON_H__
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#include <linux/kthread.h>
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#define EVENT_WAIT_FOREVER 0
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#define TA_LOAD_ADDRESS 0x00
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#define FIRMWARE_RSI9113 "rsi_91x.fw"
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#define QUEUE_NOT_FULL 1
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#define QUEUE_FULL 0
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static inline int rsi_init_event(struct rsi_event *pevent)
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{
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atomic_set(&pevent->event_condition, 1);
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init_waitqueue_head(&pevent->event_queue);
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return 0;
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}
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static inline int rsi_wait_event(struct rsi_event *event, u32 timeout)
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{
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int status = 0;
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if (!timeout)
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status = wait_event_interruptible(event->event_queue,
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(atomic_read(&event->event_condition) == 0));
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else
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status = wait_event_interruptible_timeout(event->event_queue,
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(atomic_read(&event->event_condition) == 0),
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timeout);
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return status;
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}
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static inline void rsi_set_event(struct rsi_event *event)
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{
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atomic_set(&event->event_condition, 0);
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wake_up_interruptible(&event->event_queue);
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}
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static inline void rsi_reset_event(struct rsi_event *event)
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{
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atomic_set(&event->event_condition, 1);
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}
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static inline int rsi_create_kthread(struct rsi_common *common,
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struct rsi_thread *thread,
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void *func_ptr,
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u8 *name)
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{
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init_completion(&thread->completion);
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thread->task = kthread_run(func_ptr, common, "%s", name);
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if (IS_ERR(thread->task))
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return (int)PTR_ERR(thread->task);
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return 0;
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}
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static inline int rsi_kill_thread(struct rsi_thread *handle)
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{
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atomic_inc(&handle->thread_done);
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rsi_set_event(&handle->event);
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wait_for_completion(&handle->completion);
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return kthread_stop(handle->task);
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}
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void rsi_mac80211_detach(struct rsi_hw *hw);
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u16 rsi_get_connected_channel(struct rsi_hw *adapter);
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struct rsi_hw *rsi_91x_init(void);
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void rsi_91x_deinit(struct rsi_hw *adapter);
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int rsi_read_pkt(struct rsi_common *common, s32 rcv_pkt_len);
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#endif
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