diff mbox series

scsi: lpfc: add NULL pointer check

Message ID 20220328032744.2371667-1-lv.ruyi@zte.com.cn (mailing list archive)
State Deferred
Headers show
Series scsi: lpfc: add NULL pointer check | expand

Commit Message

CGEL March 28, 2022, 3:27 a.m. UTC 
From: Lv Ruyi <lv.ruyi@zte.com.cn>

kzalloc() is a memory allocation function which can return NULL when some
internal memory errors happen. It is safer to check NULL pointer.

Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Lv Ruyi <lv.ruyi@zte.com.cn>
---
 drivers/scsi/lpfc/lpfc_init.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index eed6464bd880..6cc8765b0a92 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -7159,6 +7159,8 @@  lpfc_sli4_cgn_params_read(struct lpfc_hba *phba)
 	/* Find out if the FW has a new set of congestion parameters. */
 	len = sizeof(struct lpfc_cgn_param);
 	pdata = kzalloc(len, GFP_KERNEL);
+	if (!pdata)
+		return -ENOMEM;
 	ret = lpfc_read_object(phba, (char *)LPFC_PORT_CFG_NAME,
 			       pdata, len);