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authorTejun Heo <tj@kernel.org>2008-10-20 13:10:21 +0900
committerJeff Garzik <jgarzik@redhat.com>2008-10-22 20:40:15 -0400
commit570106df6bdb4907ad7f70793079c762f34d561a (patch)
tree7f81d9eb2cf24a9882c59706d7e1e4c4107e60c9 /drivers/ata/libata-sff.c
parentf667fdbbbea8bcce6cf9f7acb51b7cb4c264cc61 (diff)
libata-sff: fix ata_sff_post_internal_cmd()
ata_sff_post_internal_cmd() needs to grab port lock before calling ata_bmdma_stop() and also need to clear hsm_task_state. Fix it. Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/ata/libata-sff.c')
-rw-r--r--drivers/ata/libata-sff.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c
index 2a4c516894f..4b473948632 100644
--- a/drivers/ata/libata-sff.c
+++ b/drivers/ata/libata-sff.c
@@ -2153,8 +2153,17 @@ void ata_sff_error_handler(struct ata_port *ap)
*/
void ata_sff_post_internal_cmd(struct ata_queued_cmd *qc)
{
- if (qc->ap->ioaddr.bmdma_addr)
+ struct ata_port *ap = qc->ap;
+ unsigned long flags;
+
+ spin_lock_irqsave(ap->lock, flags);
+
+ ap->hsm_task_state = HSM_ST_IDLE;
+
+ if (ap->ioaddr.bmdma_addr)
ata_bmdma_stop(qc);
+
+ spin_unlock_irqrestore(ap->lock, flags);
}
/**