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Subject[PATCH] scsi: lpfc: add NULL pointer check
Date
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 --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);

--
2.25.1
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