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From: Yong Wang <wang.yong19@zte.com.cn>
To: shepard.siegel@atomicrules.com
Cc: dev@dpdk.org, Yong Wang <wang.yong19@zte.com.cn>
Subject: [dpdk-dev] [PATCH v2] net/ark:add null point check
Date: Thu, 14 Sep 2017 08:03:56 -0400	[thread overview]
Message-ID: <1505390636-6509-1-git-send-email-wang.yong19@zte.com.cn> (raw)

In function ark_config_device(), there are several malloc without null
point check. Fix it by adding null point check.

v2:
* Fix compile error.

Signed-off-by: Yong Wang <wang.yong19@zte.com.cn>
---
 drivers/net/ark/ark_ethdev.c  | 6 ++++++
 drivers/net/ark/ark_pktchkr.c | 4 ++++
 drivers/net/ark/ark_pktdir.c  | 5 +++++
 drivers/net/ark/ark_pktgen.c  | 4 ++++
 4 files changed, 19 insertions(+)

diff --git a/drivers/net/ark/ark_ethdev.c b/drivers/net/ark/ark_ethdev.c
index 6db362b..f5a834a 100644
--- a/drivers/net/ark/ark_ethdev.c
+++ b/drivers/net/ark/ark_ethdev.c
@@ -452,10 +452,16 @@ static void eth_ark_macaddr_remove(struct rte_eth_dev *dev,
 	 */
 	ark->start_pg = 0;
 	ark->pg = ark_pktgen_init(ark->pktgen.v, 0, 1);
+	if (ark->pg == NULL)
+		return -1;
 	ark_pktgen_reset(ark->pg);
 	ark->pc = ark_pktchkr_init(ark->pktchkr.v, 0, 1);
+	if (ark->pc == NULL)
+		return -1;
 	ark_pktchkr_stop(ark->pc);
 	ark->pd = ark_pktdir_init(ark->pktdir.v);
+	if (ark->pd == NULL)
+		return -1;
 
 	/* Verify HW */
 	if (ark_udm_verify(ark->udm.v))
diff --git a/drivers/net/ark/ark_pktchkr.c b/drivers/net/ark/ark_pktchkr.c
index c3040af..202a1d9 100644
--- a/drivers/net/ark/ark_pktchkr.c
+++ b/drivers/net/ark/ark_pktchkr.c
@@ -112,6 +112,10 @@ struct OPTIONS {
 	struct ark_pkt_chkr_inst *inst =
 		rte_malloc("ark_pkt_chkr_inst",
 			   sizeof(struct ark_pkt_chkr_inst), 0);
+	if (inst == NULL) {
+		PMD_DRV_LOG(ERR, "Failed to malloc ark_pkt_chkr_inst.\n");
+		return inst;
+	}
 	inst->sregs = (struct ark_pkt_chkr_stat_regs *)addr;
 	inst->cregs =
 		(struct ark_pkt_chkr_ctl_regs *)(((uint8_t *)addr) + 0x100);
diff --git a/drivers/net/ark/ark_pktdir.c b/drivers/net/ark/ark_pktdir.c
index 66e5ce2..eb47ded 100644
--- a/drivers/net/ark/ark_pktdir.c
+++ b/drivers/net/ark/ark_pktdir.c
@@ -36,6 +36,7 @@
 
 #include "ark_pktdir.h"
 #include "ark_global.h"
+#include "ark_logs.h"
 
 
 ark_pkt_dir_t
@@ -45,6 +46,10 @@
 		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;
diff --git a/drivers/net/ark/ark_pktgen.c b/drivers/net/ark/ark_pktgen.c
index 8c7a8a2..018f37b 100644
--- a/drivers/net/ark/ark_pktgen.c
+++ b/drivers/net/ark/ark_pktgen.c
@@ -110,6 +110,10 @@ struct OPTIONS {
 	struct ark_pkt_gen_inst *inst =
 		rte_malloc("ark_pkt_gen_inst_pmd",
 			   sizeof(struct ark_pkt_gen_inst), 0);
+	if (inst == NULL) {
+		PMD_DRV_LOG(ERR, "Failed to malloc ark_pkt_gen_inst.\n");
+		return inst;
+	}
 	inst->regs = (struct ark_pkt_gen_regs *)adr;
 	inst->ordinal = ord;
 	inst->l2_mode = l2_mode;
-- 
1.8.3.1

             reply	other threads:[~2017-09-14 12:17 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-09-14 12:03 Yong Wang [this message]
2017-09-25 13:47 ` Ed Czeck
2017-09-25 13:55   ` Ferruh Yigit

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