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megaraid: fix null pointer check in megasas_detach_one(). 

The pd_seq_sync pointer can't be NULL, we have to check its entries
instead.

Signed-off-by: Maurizio Lombardi <mlombard@redhat.com>
Acked-by: Sumit Saxena <sumit.saxena@broadcom.com>
Reviewed-by: Tomas Henzl <thenzl@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Maurizio Lombardi 2016-01-22 13:41:42 +01:00 committed by Martin K. Petersen
parent 33f8d1f089
commit 546e559c79
1 changed files with 5 additions and 5 deletions
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10
drivers/scsi/megaraid/megaraid_sas_base.c
View File

@ -6294,11 +6294,11 @@ static void megasas_detach_one(struct pci_dev *pdev)
if (fusion->ld_drv_map[i])
free_pages((ulong)fusion->ld_drv_map[i],
fusion->drv_map_pages);
if (fusion->pd_seq_sync)
dma_free_coherent(&instance->pdev->dev,
pd_seq_map_sz,
fusion->pd_seq_sync[i],
fusion->pd_seq_phys[i]);
if (fusion->pd_seq_sync[i])
dma_free_coherent(&instance->pdev->dev,
pd_seq_map_sz,
fusion->pd_seq_sync[i],
fusion->pd_seq_phys[i]);
}
free_pages((ulong)instance->ctrl_context,
instance->ctrl_context_pages);