C++ (Cpp) A_MALLOC_NOWAIT Examples

Example #1

File: bmi.c Project: ARMP/android_kernel_lge_x3

/* APIs visible to the driver */
void
BMIInit(void)
{
    bmiDone = false;
    pendingEventsFuncCheck = false;

    /*
     * On some platforms, it's not possible to DMA to a static variable
     * in a device driver (e.g. Linux loadable driver module).
     * So we need to A_MALLOC space for "command credits" and for commands.
     *
     * Note: implicitly relies on A_MALLOC to provide a buffer that is
     * suitable for DMA (or PIO).  This buffer will be passed down the
     * bus stack.
     */
    if (!pBMICmdCredits) {
        pBMICmdCredits = (u32 *)A_MALLOC_NOWAIT(4);
        A_ASSERT(pBMICmdCredits);
    }

    if (!pBMICmdBuf) {
        pBMICmdBuf = (u8 *)A_MALLOC_NOWAIT(MAX_BMI_CMDBUF_SZ);
        A_ASSERT(pBMICmdBuf);
    }
    
    A_REGISTER_MODULE_DEBUG_INFO(bmi);
}

Example #2

File: wlan_node.c Project: ShawnOfMisfit/ambarella

/* Update the buffer alone, not the entire node.
 * This involves,
 * 1) Freeing the buffer alone.
 * 2) Allocating a new buffer
 * 3) Update the node timestamp with the current time.
 */
A_STATUS
wlan_node_buf_update(struct ieee80211_node_table *nt, bss_t *ni, A_UINT32 len)
{
    IEEE80211_NODE_LOCK(nt);

    /* Free the ni_buf alone.
     */
    if (ni->ni_buf != NULL) {
        A_FREE(ni->ni_buf);
        ni->ni_buf = NULL;
    }

    /* Allocate ni_buf for the new length.
     */
    if (len) {
        ni->ni_buf = A_MALLOC_NOWAIT(len);
        if (ni->ni_buf == NULL) {
            IEEE80211_NODE_UNLOCK(nt);
            return A_ERROR;
        } else {
            A_MEMZERO(ni->ni_buf, len);
        }
    }

    /* Update the Node's timestamp.
     */
    wlan_node_update_timestamp(nt, ni);

    IEEE80211_NODE_UNLOCK(nt);

    return A_OK;
}

Example #3

bss_t *
wlan_node_alloc(struct ieee80211_node_table *nt, int wh_size)
{
    bss_t *ni;

    ni = A_MALLOC_NOWAIT(sizeof(bss_t));

    count_node++;

    if (ni != NULL) {
        A_MEMZERO(ni, sizeof(bss_t));
        if (wh_size)
        {
        	ni->ni_buf = A_MALLOC_NOWAIT(wh_size);
        	if (ni->ni_buf == NULL) {
        	printk("Out of memory in ar6003 Driver with scan count at %d\n", count_node);
            	A_FREE_NOWAIT(ni);
            	ni = NULL;
            	return ni;
        	} else {
                A_MEMZERO(ni->ni_buf, wh_size);
            }
        }
    } else {
        printk("Out of memory in ar6003 Driver with scan count at %d\n", count_node);
        return ni;
    }

    /* Make sure our lists are clean */
    ni->ni_list_next = NULL;
    ni->ni_list_prev = NULL;
    ni->ni_hash_next = NULL;
    ni->ni_hash_prev = NULL;

    //
    // ni_scangen never initialized before and during suspend/resume of winmobile,
    // that some junk has been stored in this, due to this scan list didn't properly updated
    //
    ni->ni_scangen   = 0;

#ifdef OS_ROAM_MANAGEMENT
    ni->ni_si_gen    = 0;
#endif

    return ni;
}

Example #4

File: wlan_node.c Project: burstlam/AR6kSDK-CAF

bss_t *
wlan_node_alloc(struct ieee80211_node_table *nt, int wh_size)
{
    bss_t *ni;

    ni = A_MALLOC_NOWAIT(sizeof(bss_t));

    if (ni != NULL) {
        if (wh_size)
        {
        ni->ni_buf = A_MALLOC_NOWAIT(wh_size);
        if (ni->ni_buf == NULL) {
            A_FREE(ni);
            ni = NULL;
            return ni;
        }
        }
    } else {
        return ni;
    }

    /* Make sure our lists are clean */
    ni->ni_list_next = NULL;
    ni->ni_list_prev = NULL;
    ni->ni_hash_next = NULL;
    ni->ni_hash_prev = NULL;

    /* */
    /* ni_scangen never initialized before and during suspend/resume of winmobile, */
    /* that some junk has been stored in this, due to this scan list didn't properly updated */
    /* */
    ni->ni_scangen   = 0;

#ifdef OS_ROAM_MANAGEMENT
    ni->ni_si_gen    = 0;
#endif

    return ni;
}