Merge branch 'for-4.0-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata

Pull libata fix from Tejun Heo:
 "One patch to fix a regression from the recent switch to blk-mq tag
  allocation which can cause oops on SAS-attached SATA drives"

* 'for-4.0-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata:
  ata: Add a new flag to destinguish sas controller

2 files changed, 4 insertions, 2 deletions

diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index 9219953ee949..d9afc51af7d3 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -6815,7 +6815,8 @@ static struct ata_port_operations ipr_sata_ops = {
 };
 
 static struct ata_port_info sata_port_info = {
-        .flags          = ATA_FLAG_SATA | ATA_FLAG_PIO_DMA,
+        .flags          = ATA_FLAG_SATA | ATA_FLAG_PIO_DMA |
+                          ATA_FLAG_SAS_HOST,
         .pio_mask       = ATA_PIO4_ONLY,
         .mwdma_mask     = ATA_MWDMA2,
         .udma_mask      = ATA_UDMA6,
diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c
index 932d9cc98d2f..9c706d8c1441 100644
--- a/drivers/scsi/libsas/sas_ata.c
+++ b/drivers/scsi/libsas/sas_ata.c
@@ -547,7 +547,8 @@ static struct ata_port_operations sas_sata_ops = {
 };
 
 static struct ata_port_info sata_port_info = {
-        .flags = ATA_FLAG_SATA | ATA_FLAG_PIO_DMA | ATA_FLAG_NCQ,
+        .flags = ATA_FLAG_SATA | ATA_FLAG_PIO_DMA | ATA_FLAG_NCQ |
+                 ATA_FLAG_SAS_HOST,
         .pio_mask = ATA_PIO4,
         .mwdma_mask = ATA_MWDMA2,
         .udma_mask = ATA_UDMA6,