[SCSI] aacraid: reset should disable MSI interrupt

scsi reset on hardware with enabled MSI interrupts generates WARNING message

[11027.798722] aacraid: Host adapter abort request (0,0,0,0)
[11027.798814] aacraid: Host adapter reset request. SCSI hang ?
[11087.762237] aacraid: SCSI bus appears hung
[11135.082543] ------------[ cut here ]------------
[11135.082646] WARNING: at drivers/pci/msi.c:658 pci_enable_msi_block+0x251/0x290()

Signed-off-by: Vasily Averin <vvs@sw.ru>
Acked-by: Mark Salyzyn <mark_salyzyn@us.xyratex.com>
Cc: stable@kernel.org
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c
index e7d0d47b9185..e5f2d7d9002e 100644
--- a/drivers/scsi/aacraid/commsup.c
+++ b/drivers/scsi/aacraid/commsup.c
@@ -1283,6 +1283,8 @@ static int _aac_reset_adapter(struct aac_dev *aac, int forced)
         kfree(aac->queues);
         aac->queues = NULL;
         free_irq(aac->pdev->irq, aac);
+        if (aac->msi)
+                pci_disable_msi(aac->pdev);
         kfree(aac->fsa_dev);
         aac->fsa_dev = NULL;
         quirks = aac_get_driver_ident(index)->quirks;