cciss: Add IRQF_SHARED back in for the non-MSI(X) interrupt handler

From: Stephen M. Cameron <scameron@beardog.cce.hp.com>

[ 3.1.x backport ]

IRQF_SHARED is required for older controllers that don't support MSI(X)
and which may end up sharing an interrupt.

Also remove deprecated IRQF_DISABLED.

Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
---
 drivers/block/cciss.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

RHBZ 754907
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 8004ac3..6f22ed0 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -4880,7 +4880,7 @@ static int cciss_request_irq(ctlr_info_t *h,
 {
 	if (h->msix_vector || h->msi_vector) {
 		if (!request_irq(h->intr[PERF_MODE_INT], msixhandler,
-				IRQF_DISABLED, h->devname, h))
+				0, h->devname, h))
 			return 0;
 		dev_err(&h->pdev->dev, "Unable to get msi irq %d"
 			" for %s\n", h->intr[h->intr_mode],
@@ -4889,7 +4889,7 @@ static int cciss_request_irq(ctlr_info_t *h,
 	}
 
 	if (!request_irq(h->intr[PERF_MODE_INT], intxhandler,
-			IRQF_DISABLED, h->devname, h))
+			IRQF_SHARED, h->devname, h))
 		return 0;
 	dev_err(&h->pdev->dev, "Unable to get irq %d for %s\n",
 		h->intr[h->intr_mode], h->devname);