4.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Maurizio Lombardi <mlomb...@redhat.com>

commit 546e559c79b1a8d27c23262907a00fc209e392a0 upstream.

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

Signed-off-by: Maurizio Lombardi <mlomb...@redhat.com>
Acked-by: Sumit Saxena <sumit.sax...@broadcom.com>
Reviewed-by: Tomas Henzl <the...@redhat.com>
Signed-off-by: Martin K. Petersen <martin.peter...@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>

---
 drivers/scsi/megaraid/megaraid_sas_base.c |   10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -5941,11 +5941,11 @@ static void megasas_detach_one(struct pc
                        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);


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