From cd85f6e2f58282186ad720fc18482be228f0b972 Mon Sep 17 00:00:00 2001 From: Jeff Garzik Date: Mon, 20 Mar 2006 19:49:54 -0500 Subject: [PATCH] [libata] sata_mv: fix irq port status usage 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 --- drivers/scsi/sata_mv.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/sata_mv.c b/drivers/scsi/sata_mv.c index aceaf56999a..e561281967d 100644 --- a/drivers/scsi/sata_mv.c +++ b/drivers/scsi/sata_mv.c @@ -1353,7 +1353,6 @@ static void mv_host_intr(struct ata_host_set *host_set, u32 relevant, u32 hc_irq_cause; int shift, port, port0, hard_port, handled; unsigned int err_mask; - u8 ata_status = 0; if (hc == 0) { port0 = 0; @@ -1371,6 +1370,7 @@ static void mv_host_intr(struct ata_host_set *host_set, u32 relevant, 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++ */ -- 2.20.1