v_VOID_t vos_mem_free( v_VOID_t *ptr )
{
if (ptr == NULL)
return;
#ifdef CONFIG_WCNSS_MEM_PRE_ALLOC
if(wcnss_prealloc_put(ptr))
return;
#endif
kfree(ptr);
}
/**
* cdf_mem_free() - free CDF memory
* @ptr: Pointer to the starting address of the memory to be free'd.
*
* This function will free the memory pointed to by 'ptr'.
*
* Return:
* Nothing
*
*/
void cdf_mem_free(void *ptr)
{
if (ptr == NULL)
return;
#if defined(CONFIG_CNSS) && defined(CONFIG_WCNSS_MEM_PRE_ALLOC)
if (wcnss_prealloc_put(ptr))
return;
#endif
kfree(ptr);
}
v_VOID_t vos_mem_free( v_VOID_t *ptr )
{
unsigned long IrqFlags;
if (ptr == NULL)
return;
if (!memory_dbug_flag)
{
#ifdef CONFIG_WCNSS_MEM_PRE_ALLOC
if (wcnss_prealloc_put(ptr))
return;
#endif
kfree(ptr);
}
else
{
VOS_STATUS vosStatus;
struct s_vos_mem_struct* memStruct = ((struct s_vos_mem_struct*)ptr) - 1;
spin_lock_irqsave(&vosMemList.lock, IrqFlags);
vosStatus = hdd_list_remove_node(&vosMemList, &memStruct->pNode);
spin_unlock_irqrestore(&vosMemList.lock, IrqFlags);
if(VOS_STATUS_SUCCESS == vosStatus)
{
if(0 == vos_mem_compare(memStruct->header, &WLAN_MEM_HEADER[0], sizeof(WLAN_MEM_HEADER)) )
{
VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_FATAL,
"Memory Header is corrupted. MemInfo: Filename %s, LineNum %d",
memStruct->fileName, (int)memStruct->lineNum);
}
if(0 == vos_mem_compare( (v_U8_t*)ptr + memStruct->size, &WLAN_MEM_TAIL[0], sizeof(WLAN_MEM_TAIL ) ) )
{
VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_FATAL,
"Memory Trailer is corrupted. MemInfo: Filename %s, LineNum %d",
memStruct->fileName, (int)memStruct->lineNum);
}
kfree((v_VOID_t*)memStruct);
}
else
{
VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_FATAL,
"%s: Unallocated memory (double free?)", __func__);
VOS_BUG(0);
}
}
}
/**
* cdf_mem_free() - debug version of CDF memory free API
* @ptr: Pointer to the starting address of the memory to be free'd.
*
* This function will free the memory pointed to by 'ptr'. It also checks
* is memory is corrupted or getting double freed and panic.
*
* Return:
* Nothing
*/
void cdf_mem_free(void *ptr)
{
if (ptr != NULL) {
CDF_STATUS cdf_status;
struct s_cdf_mem_struct *memStruct =
((struct s_cdf_mem_struct *)ptr) - 1;
#if defined(CONFIG_CNSS) && defined(CONFIG_WCNSS_MEM_PRE_ALLOC)
if (wcnss_prealloc_put(ptr))
return;
#endif
cdf_spin_lock_irqsave(&cdf_mem_list_lock);
cdf_status =
cdf_list_remove_node(&cdf_mem_list, &memStruct->pNode);
cdf_spin_unlock_irqrestore(&cdf_mem_list_lock);
if (CDF_STATUS_SUCCESS == cdf_status) {
if (0 == cdf_mem_compare(memStruct->header,
&WLAN_MEM_HEADER[0],
sizeof(WLAN_MEM_HEADER))) {
CDF_TRACE(CDF_MODULE_ID_CDF,
CDF_TRACE_LEVEL_FATAL,
"Memory Header is corrupted. MemInfo: Filename %s, LineNum %d",
memStruct->fileName,
(int)memStruct->lineNum);
CDF_BUG(0);
}
if (0 ==
cdf_mem_compare((uint8_t *) ptr + memStruct->size,
&WLAN_MEM_TAIL[0],
sizeof(WLAN_MEM_TAIL))) {
CDF_TRACE(CDF_MODULE_ID_CDF,
CDF_TRACE_LEVEL_FATAL,
"Memory Trailer is corrupted. MemInfo: Filename %s, LineNum %d",
memStruct->fileName,
(int)memStruct->lineNum);
CDF_BUG(0);
}
kfree((void *)memStruct);
} else {
CDF_TRACE(CDF_MODULE_ID_CDF, CDF_TRACE_LEVEL_FATAL,
"%s: Unallocated memory (double free?)",
__func__);
CDF_BUG(0);
}
}
}
