libata: Convert timers to use timer_setup()
In preparation for unconditionally passing the struct timer_list pointer to
all timer callbacks, switch to using the new timer_setup() and from_timer()
to pass the timer pointer explicitly.
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Tejun Heo <tj@kernel.org>
Cc: linux-ide@vger.kernel.org
Link: https://lkml.kernel.org/r/20171005004842.GA23011@beast
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index ee4c1ec..b8ac490 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -5979,9 +5979,8 @@
INIT_LIST_HEAD(&ap->eh_done_q);
init_waitqueue_head(&ap->eh_wait_q);
init_completion(&ap->park_req_pending);
- setup_deferrable_timer(&ap->fastdrain_timer,
- ata_eh_fastdrain_timerfn,
- (unsigned long)ap);
+ timer_setup(&ap->fastdrain_timer, ata_eh_fastdrain_timerfn,
+ TIMER_DEFERRABLE);
ap->cbl = ATA_CBL_NONE;
diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index e4effef..ece6fd9 100644
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -879,9 +879,9 @@
return nr;
}
-void ata_eh_fastdrain_timerfn(unsigned long arg)
+void ata_eh_fastdrain_timerfn(struct timer_list *t)
{
- struct ata_port *ap = (void *)arg;
+ struct ata_port *ap = from_timer(ap, t, fastdrain_timer);
unsigned long flags;
int cnt;
diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h
index 839d487..08a245b 100644
--- a/drivers/ata/libata.h
+++ b/drivers/ata/libata.h
@@ -154,7 +154,7 @@
extern void ata_eh_acquire(struct ata_port *ap);
extern void ata_eh_release(struct ata_port *ap);
extern void ata_scsi_error(struct Scsi_Host *host);
-extern void ata_eh_fastdrain_timerfn(unsigned long arg);
+extern void ata_eh_fastdrain_timerfn(struct timer_list *t);
extern void ata_qc_schedule_eh(struct ata_queued_cmd *qc);
extern void ata_dev_disable(struct ata_device *dev);
extern void ata_eh_detach_dev(struct ata_device *dev);