[dpdk-dev,v2] net/ark:add null point check

Message ID 1505390636-6509-1-git-send-email-wang.yong19@zte.com.cn (mailing list archive)
State Accepted, archived
Delegated to: Ferruh Yigit
Headers

Checks

Context Check Description
ci/checkpatch success coding style OK
ci/Intel-compilation success Compilation OK

Commit Message

Yong Wang Sept. 14, 2017, 12:03 p.m. UTC
  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(+)
  

Comments

Ed Czeck Sept. 25, 2017, 1:47 p.m. UTC | #1
Thank you.


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



Acked-by: Ed Czeck <ed.czeck@atomicrules.com>
  
Ferruh Yigit Sept. 25, 2017, 1:55 p.m. UTC | #2
On 9/25/2017 2:47 PM, Ed Czeck wrote:
<...>
>> 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>

Applied to dpdk-next-net/master, thanks.
  

Patch

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;