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// SPDX-License-Identifier: GPL-2.0
/******************************************************************************
*
* Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
*
******************************************************************************/
#define _OSDEP_SERVICE_C_
#include <osdep_service.h>
#include <osdep_intf.h>
#include <drv_types.h>
#include <recv_osdep.h>
#include <linux/vmalloc.h>
#include <rtw_ioctl_set.h>
u8 *_rtw_malloc(u32 sz)
{
return kmalloc(sz, in_interrupt() ? GFP_ATOMIC : GFP_KERNEL);
}
void _rtw_init_queue(struct __queue *pqueue)
{
INIT_LIST_HEAD(&pqueue->queue);
spin_lock_init(&pqueue->lock);
}
void rtw_buf_free(u8 **buf, u32 *buf_len)
{
*buf_len = 0;
kfree(*buf);
*buf = NULL;
}
void rtw_buf_update(u8 **buf, u32 *buf_len, u8 *src, u32 src_len)
{
u32 dup_len = 0;
u8 *ori = NULL;
u8 *dup = NULL;
if (!buf || !buf_len)
return;
if (!src || !src_len)
goto keep_ori;
/* duplicate src */
dup = rtw_malloc(src_len);
if (dup) {
dup_len = src_len;
memcpy(dup, src, dup_len);
}
keep_ori:
ori = *buf;
/* replace buf with dup */
*buf_len = 0;
*buf = dup;
*buf_len = dup_len;
/* free ori */
kfree(ori);
}
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