From: David Milburn <dmilburn@redhat.com>
Date: Wed, 18 Aug 2010 23:59:41 -0400
Subject: [ata] sata_mv: safer logic for limit warnings
Message-id: <1282175987-21696-4-git-send-email-dmilburn@redhat.com>
Patchwork-id: 27694
O-Subject: [RHEL5.6 PATCH 3/9] BZ 554872 sata_mv: safer logic for limit warnings
Bugzilla: 554872
RH-Acked-by: Jeff Garzik <jgarzik@redhat.com>

commit c7843e8f565f624b0cff7cad1370fad4cb84dfbc
Author: Mark Lord <liml@rtr.ca>
Date:   Wed Jun 18 21:57:42 2008 -0400

    sata_mv: safer logic for limit_warnings

BZ 554872

diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c
index f806333..8de88ad 100644
--- a/drivers/ata/sata_mv.c
+++ b/drivers/ata/sata_mv.c
@@ -1606,7 +1606,7 @@ static unsigned int mv_qc_issue(struct ata_queued_cmd *qc)
 		 * Much of the time, this could just work regardless.
 		 * So for now, just log the incident, and allow the attempt.
 		 */
-		if (limit_warnings && (qc->nbytes / qc->sect_size) > 1) {
+		if (limit_warnings > 0 && (qc->nbytes / qc->sect_size) > 1) {
 			--limit_warnings;
 			ata_link_printk(qc->dev->link, KERN_WARNING, DRV_NAME
 					": attempting PIO w/multiple DRQ: "