drivers/sgi-xp: 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.

Cc: Cliff Whickman <cpw@sgi.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Acked-by: Robin Holt <robinmholt@gmail.com>

diff --git a/drivers/misc/sgi-xp/xpc_main.c b/drivers/misc/sgi-xp/xpc_main.c
index 7f32712..0c775d6 100644 (file)
--- a/drivers/misc/sgi-xp/xpc_main.c
+++ b/drivers/misc/sgi-xp/xpc_main.c
@@ -172,9 +172,9 @@ struct xpc_arch_operations xpc_arch_ops;
  * Timer function to enforce the timelimit on the partition disengage.
  */
 static void
-xpc_timeout_partition_disengage(unsigned long data)
+xpc_timeout_partition_disengage(struct timer_list *t)
 {
-       struct xpc_partition *part = (struct xpc_partition *)data;
+       struct xpc_partition *part = from_timer(part, t, disengage_timer);
 
        DBUG_ON(time_is_after_jiffies(part->disengage_timeout));
 
@@ -190,7 +190,7 @@ xpc_timeout_partition_disengage(unsigned long data)
  * specify when the next timeout should occur.
  */
 static void
-xpc_hb_beater(unsigned long dummy)
+xpc_hb_beater(struct timer_list *unused)
 {
        xpc_arch_ops.increment_heartbeat();
 
@@ -205,8 +205,7 @@ static void
 xpc_start_hb_beater(void)
 {
        xpc_arch_ops.heartbeat_init();
-       init_timer(&xpc_hb_timer);
-       xpc_hb_timer.function = xpc_hb_beater;
+       timer_setup(&xpc_hb_timer, xpc_hb_beater, 0);
        xpc_hb_beater(0);
 }
 
@@ -931,10 +930,8 @@ xpc_setup_partitions(void)
                part->act_state = XPC_P_AS_INACTIVE;
                XPC_SET_REASON(part, 0, 0);
 
-               init_timer(&part->disengage_timer);
-               part->disengage_timer.function =
-                   xpc_timeout_partition_disengage;
-               part->disengage_timer.data = (unsigned long)part;
+               timer_setup(&part->disengage_timer,
+                           xpc_timeout_partition_disengage, 0);
 
                part->setup_state = XPC_P_SS_UNSET;
                init_waitqueue_head(&part->teardown_wq);

diff --git a/drivers/misc/sgi-xp/xpc_sn2.c b/drivers/misc/sgi-xp/xpc_sn2.c
index 7d71c04..5a12d2a 100644 (file)
--- a/drivers/misc/sgi-xp/xpc_sn2.c
+++ b/drivers/misc/sgi-xp/xpc_sn2.c
@@ -323,16 +323,16 @@ xpc_handle_notify_IRQ_sn2(int irq, void *dev_id)
  * was received.
  */
 static void
-xpc_check_for_dropped_notify_IRQ_sn2(struct xpc_partition *part)
+xpc_check_for_dropped_notify_IRQ_sn2(struct timer_list *t)
 {
-       struct xpc_partition_sn2 *part_sn2 = &part->sn.sn2;
+       struct xpc_partition *part =
+               from_timer(part, t, sn.sn2.dropped_notify_IRQ_timer);
 
        if (xpc_part_ref(part)) {
                xpc_check_for_sent_chctl_flags_sn2(part);
 
-               part_sn2->dropped_notify_IRQ_timer.expires = jiffies +
-                   XPC_DROPPED_NOTIFY_IRQ_WAIT_INTERVAL;
-               add_timer(&part_sn2->dropped_notify_IRQ_timer);
+               t->expires = jiffies + XPC_DROPPED_NOTIFY_IRQ_WAIT_INTERVAL;
+               add_timer(t);
                xpc_part_deref(part);
        }
 }
@@ -1232,10 +1232,7 @@ xpc_setup_ch_structures_sn2(struct xpc_partition *part)
 
        /* Setup a timer to check for dropped notify IRQs */
        timer = &part_sn2->dropped_notify_IRQ_timer;
-       init_timer(timer);
-       timer->function =
-           (void (*)(unsigned long))xpc_check_for_dropped_notify_IRQ_sn2;
-       timer->data = (unsigned long)part;
+       timer_setup(timer, xpc_check_for_dropped_notify_IRQ_sn2, 0);
        timer->expires = jiffies + XPC_DROPPED_NOTIFY_IRQ_WAIT_INTERVAL;
        add_timer(timer);