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authorKees Cook <keescook@chromium.org>2017-08-23 01:05:14 +0200
committerKees Cook <keescook@chromium.org>2017-11-01 19:43:47 +0100
commit77570eedd92adfcf69fdde31183a56324f82ca5c (patch)
tree25b05550e8c7f4a97e30ea90429f69459ec10e80 /drivers/scsi/libsas
parentscsi: pmcraid: Convert timers to use timer_setup() (diff)
downloadlinux-77570eedd92adfcf69fdde31183a56324f82ca5c.tar.xz
linux-77570eedd92adfcf69fdde31183a56324f82ca5c.zip
scsi: sas: 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. This requires adding a pointer to hold the timer's target task, as there isn't a link back from slow_task. Cc: John Garry <john.garry@huawei.com> Cc: "James E.J. Bottomley" <jejb@linux.vnet.ibm.com> Cc: "Martin K. Petersen" <martin.petersen@oracle.com> Cc: Jack Wang <jinpu.wang@profitbricks.com> Cc: lindar_liu@usish.com Cc: Jens Axboe <axboe@fb.com> Cc: Hannes Reinecke <hare@suse.com> Cc: Johannes Thumshirn <jthumshirn@suse.de> Cc: Benjamin Block <bblock@linux.vnet.ibm.com> Cc: Baoyou Xie <baoyou.xie@linaro.org> Cc: Wei Yongjun <weiyongjun1@huawei.com> Cc: linux-scsi@vger.kernel.org Signed-off-by: Kees Cook <keescook@chromium.org> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Acked-by: John Garry <john.garry@huawei.com> # for hisi_sas part Tested-by: John Garry <john.garry@huawei.com> # basic sanity test for hisi_sas Reviewed-by: Jack Wang <jinpu.wang@profitbricks.com>
Diffstat (limited to 'drivers/scsi/libsas')
-rw-r--r--drivers/scsi/libsas/sas_expander.c8
-rw-r--r--drivers/scsi/libsas/sas_init.c3
-rw-r--r--drivers/scsi/libsas/sas_scsi_host.c2
3 files changed, 7 insertions, 6 deletions
diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c
index 6b4fd2375178..174e5eff6155 100644
--- a/drivers/scsi/libsas/sas_expander.c
+++ b/drivers/scsi/libsas/sas_expander.c
@@ -41,9 +41,10 @@ static int sas_disable_routing(struct domain_device *dev, u8 *sas_addr);
/* ---------- SMP task management ---------- */
-static void smp_task_timedout(unsigned long _task)
+static void smp_task_timedout(struct timer_list *t)
{
- struct sas_task *task = (void *) _task;
+ struct sas_task_slow *slow = from_timer(slow, t, timer);
+ struct sas_task *task = slow->task;
unsigned long flags;
spin_lock_irqsave(&task->task_state_lock, flags);
@@ -91,8 +92,7 @@ static int smp_execute_task_sg(struct domain_device *dev,
task->task_done = smp_task_done;
- task->slow_task->timer.data = (unsigned long) task;
- task->slow_task->timer.function = smp_task_timedout;
+ task->slow_task->timer.function = (TIMER_FUNC_TYPE)smp_task_timedout;
task->slow_task->timer.expires = jiffies + SMP_TIMEOUT*HZ;
add_timer(&task->slow_task->timer);
diff --git a/drivers/scsi/libsas/sas_init.c b/drivers/scsi/libsas/sas_init.c
index 64e9cdda1c3c..681fcb837354 100644
--- a/drivers/scsi/libsas/sas_init.c
+++ b/drivers/scsi/libsas/sas_init.c
@@ -66,7 +66,8 @@ struct sas_task *sas_alloc_slow_task(gfp_t flags)
}
task->slow_task = slow;
- init_timer(&slow->timer);
+ slow->task = task;
+ timer_setup(&slow->timer, NULL, 0);
init_completion(&slow->completion);
return task;
diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c
index ea8ad06ff582..91795eb56206 100644
--- a/drivers/scsi/libsas/sas_scsi_host.c
+++ b/drivers/scsi/libsas/sas_scsi_host.c
@@ -919,7 +919,7 @@ void sas_task_abort(struct sas_task *task)
return;
if (!del_timer(&slow->timer))
return;
- slow->timer.function(slow->timer.data);
+ slow->timer.function((TIMER_DATA_TYPE)&slow->timer);
return;
}