From b8f6153ee421014f42b620238f4203a4106db309 Mon Sep 17 00:00:00 2001 From: Jeff Garzik Date: Thu, 25 Aug 2005 22:01:20 -0400 Subject: libata: fix EH locking Wrap ata_qc_complete() calls in EH context in spinlocks, to prevent races (mainly in ATAPI code paths). --- drivers/scsi/sata_promise.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'drivers/scsi/sata_promise.c') diff --git a/drivers/scsi/sata_promise.c b/drivers/scsi/sata_promise.c index defcc1fb3f16..b8dc49fed769 100644 --- a/drivers/scsi/sata_promise.c +++ b/drivers/scsi/sata_promise.c @@ -325,11 +325,15 @@ static void pdc_qc_prep(struct ata_queued_cmd *qc) static void pdc_eng_timeout(struct ata_port *ap) { + struct ata_host_set *host_set = ap->host_set; u8 drv_stat; struct ata_queued_cmd *qc; + unsigned long flags; DPRINTK("ENTER\n"); + spin_lock_irqsave(&host_set->lock, flags); + qc = ata_qc_from_tag(ap, ap->active_tag); if (!qc) { printk(KERN_ERR "ata%u: BUG: timeout without command\n", @@ -363,6 +367,7 @@ static void pdc_eng_timeout(struct ata_port *ap) } out: + spin_unlock_irqrestore(&host_set->lock, flags); DPRINTK("EXIT\n"); } -- cgit v1.2.3