-stable review patch. If anyone has any objections, please let us know.
------------------
From: Jeff Garzik <jeff@xxxxxxxxxx>
Interrupt handler did not properly initialize a variable on a per-port
basis, leading to incorrect behavior on ports other than port 0.
Bug caught and fixed by Mark Lord.
Signed-off-by: Jeff Garzik <jeff@xxxxxxxxxx>
Signed-off-by: Chris Wright <chrisw@xxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
---
drivers/scsi/sata_mv.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- linux-2.6.16.orig/drivers/scsi/sata_mv.c
+++ linux-2.6.16/drivers/scsi/sata_mv.c
@@ -1192,7 +1192,6 @@ static void mv_host_intr(struct ata_host
u32 hc_irq_cause;
int shift, port, port0, hard_port, handled;
unsigned int err_mask;
- u8 ata_status = 0;
if (hc == 0) {
port0 = 0;
@@ -1210,6 +1209,7 @@ static void mv_host_intr(struct ata_host
hc,relevant,hc_irq_cause);
for (port = port0; port < port0 + MV_PORTS_PER_HC; port++) {
+ u8 ata_status = 0;
ap = host_set->ports[port];
hard_port = port & MV_PORT_MASK; /* range 0-3 */
handled = 0; /* ensure ata_status is set if handled++ */
--
-
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