[PATCH 3.19 129/177] fixed invalid assignment of 64bit mask to host dma_boundary for scatter gather segment boundary limit.

Greg Kroah-Hartman
2015-03-16T14:18:52Z

From: Minh Duc Tran <MinhDuc.Tran@Emulex.Com>

commit f76a610a8b4b6280eaedf48f3af9d5d74e418b66 upstream.

In reference to bug https://bugzilla.redhat.com/show_bug.cgi?id=1097141
Assert is seen with AMD cpu whenever calling pci_alloc_consistent.

[ 29.406183] ------------[ cut here ]------------
[ 29.410505] kernel BUG at lib/iommu-helper.c:13!

Signed-off-by: Minh Tran <minh.tran@emulex.com>
Fixes: 6733b39a1301b0b020bbcbf3295852e93e624cb1
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
drivers/scsi/be2iscsi/be_main.c | 1 -
1 file changed, 1 deletion(-)

--- a/drivers/scsi/be2iscsi/be_main.c
+++ b/drivers/scsi/be2iscsi/be_main.c
@@ -586,7 +586,6 @@ static struct beiscsi_hba *beiscsi_hba_a
"beiscsi_hba_alloc - iscsi_host_alloc failed\n");
return NULL;
}
- shost->dma_boundary = pcidev->dma_mask;
shost->max_id = BE2_MAX_SESSIONS;
shost->max_channel = 0;
shost->max_cmd_len = BEISCSI_MAX_CMD_LEN;