numam-dpdk/drivers/net/ark/ark_pktdir.c
Yong Wang 53a9ba132c net/ark: add null pointer check
In function ark_config_device(), there are several malloc without null
point check. Fix it by adding null point check.

Signed-off-by: Yong Wang <wang.yong19@zte.com.cn>
Acked-by: Ed Czeck <ed.czeck@atomicrules.com>
2017-10-06 02:49:49 +02:00

86 lines
2.6 KiB
C

/*-
* BSD LICENSE
*
* Copyright (c) 2015-2017 Atomic Rules LLC
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#include <stdint.h>
#include <inttypes.h>
#include "ark_pktdir.h"
#include "ark_global.h"
#include "ark_logs.h"
ark_pkt_dir_t
ark_pktdir_init(void *base)
{
struct ark_pkt_dir_inst *inst =
rte_malloc("ark_pkt_dir_inst",
sizeof(struct ark_pkt_dir_inst),
0);
if (inst == NULL) {
PMD_DRV_LOG(ERR, "Failed to malloc ark_pkt_dir_inst.\n");
return inst;
}
inst->regs = (struct ark_pkt_dir_regs *)base;
inst->regs->ctrl = 0x00110110; /* POR state */
return inst;
}
void
ark_pktdir_uninit(ark_pkt_dir_t handle)
{
struct ark_pkt_dir_inst *inst = (struct ark_pkt_dir_inst *)handle;
rte_free(inst);
}
void
ark_pktdir_setup(ark_pkt_dir_t handle, uint32_t v)
{
struct ark_pkt_dir_inst *inst = (struct ark_pkt_dir_inst *)handle;
inst->regs->ctrl = v;
}
uint32_t
ark_pktdir_status(ark_pkt_dir_t handle)
{
struct ark_pkt_dir_inst *inst = (struct ark_pkt_dir_inst *)handle;
return inst->regs->ctrl;
}
uint32_t
ark_pktdir_stall_cnt(ark_pkt_dir_t handle)
{
struct ark_pkt_dir_inst *inst = (struct ark_pkt_dir_inst *)handle;
return inst->regs->stall_cnt;
}