[PATCH] scsi: bnx2fc: Add check for bdt_info to avoid NULL pointer dereference

[Jiasheng Jiang]

Add a check for "bdt_info". Otherwise, if one of the allocations for
cmgr->io_bdt_pool[i] fails, "bdt_info->bd_tbl" will cause a NULL pointer
dereference.

Fixes: 853e2bd2103a ("[SCSI] bnx2fc: Broadcom FCoE offload driver")
Signed-off-by: Jiasheng Jiang <jiashengjiangcool@xxxxxxxxx>
---
 drivers/scsi/bnx2fc/bnx2fc_io.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/bnx2fc/bnx2fc_io.c b/drivers/scsi/bnx2fc/bnx2fc_io.c
index 33057908f147..4ca8cc51e8d1 100644
--- a/drivers/scsi/bnx2fc/bnx2fc_io.c
+++ b/drivers/scsi/bnx2fc/bnx2fc_io.c
@@ -352,7 +352,7 @@ void bnx2fc_cmd_mgr_free(struct bnx2fc_cmd_mgr *cmgr)
 	bd_tbl_sz = BNX2FC_MAX_BDS_PER_CMD * sizeof(struct fcoe_bd_ctx);
 	for (i = 0; i < num_ios; i++) {
 		bdt_info = cmgr->io_bdt_pool[i];
-		if (bdt_info->bd_tbl) {
+		if (bdt_info && bdt_info->bd_tbl) {
 			dma_free_coherent(&hba->pcidev->dev, bd_tbl_sz,
 					    bdt_info->bd_tbl,
 					    bdt_info->bd_tbl_dma);
-- 
2.25.1