[PATCH v2 06/31] timer: Remove init_timer_deferrable() in favor of setup_deferrable_timer()

From: Kees Cook
Date: Wed Sep 20 2017 - 19:31:35 EST


Remove uses of init_timer_deferrable() with open-coded function and data
assignments that could be expressed using setup_deferrable_timer().

Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
---
arch/powerpc/mm/numa.c | 10 ++++------
drivers/hsi/clients/ssi_protocol.c | 8 ++------
drivers/net/ethernet/qlogic/qlge/qlge_main.c | 7 ++-----
drivers/net/vxlan.c | 5 ++---
drivers/net/wireless/ath/ath6kl/recovery.c | 5 ++---
include/linux/timer.h | 2 --
6 files changed, 12 insertions(+), 25 deletions(-)

diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index b95c584ce19d..9908e6a85f2b 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -1463,14 +1463,11 @@ static void topology_timer_fn(unsigned long ignored)
reset_topology_timer();
}
}
-static struct timer_list topology_timer =
- TIMER_INITIALIZER(topology_timer_fn, 0, 0);
+static struct timer_list topology_timer;

static void reset_topology_timer(void)
{
- topology_timer.data = 0;
- topology_timer.expires = jiffies + 60 * HZ;
- mod_timer(&topology_timer, topology_timer.expires);
+ mod_timer(&topology_timer, jiffies + 60 * HZ);
}

#ifdef CONFIG_SMP
@@ -1530,7 +1527,8 @@ int start_topology_update(void)
prrn_enabled = 0;
vphn_enabled = 1;
setup_cpu_associativity_change_counters();
- init_timer_deferrable(&topology_timer);
+ setup_deferrable_timer(&topology_timer,
+ topology_timer_fn, 0UL);
reset_topology_timer();
}
}
diff --git a/drivers/hsi/clients/ssi_protocol.c b/drivers/hsi/clients/ssi_protocol.c
index 22f9fab02b13..ae18cc30d3bf 100644
--- a/drivers/hsi/clients/ssi_protocol.c
+++ b/drivers/hsi/clients/ssi_protocol.c
@@ -1084,13 +1084,9 @@ static int ssi_protocol_probe(struct device *dev)
}

spin_lock_init(&ssi->lock);
- init_timer_deferrable(&ssi->rx_wd);
- init_timer_deferrable(&ssi->tx_wd);
+ setup_deferrable_timer(&ssi->rx_wd, ssip_wd, (unsigned long)cl);
+ setup_deferrable_timer(&ssi->tx_wd, ssip_wd, (unsigned long)cl);
setup_timer(&ssi->keep_alive, ssip_keep_alive, (unsigned long)cl);
- ssi->rx_wd.data = (unsigned long)cl;
- ssi->rx_wd.function = ssip_wd;
- ssi->tx_wd.data = (unsigned long)cl;
- ssi->tx_wd.function = ssip_wd;
INIT_LIST_HEAD(&ssi->txqueue);
INIT_LIST_HEAD(&ssi->cmdqueue);
atomic_set(&ssi->tx_usecnt, 0);
diff --git a/drivers/net/ethernet/qlogic/qlge/qlge_main.c b/drivers/net/ethernet/qlogic/qlge/qlge_main.c
index 9feec7009443..9a2ad6f715a6 100644
--- a/drivers/net/ethernet/qlogic/qlge/qlge_main.c
+++ b/drivers/net/ethernet/qlogic/qlge/qlge_main.c
@@ -4806,11 +4806,8 @@ static int qlge_probe(struct pci_dev *pdev,
/* Start up the timer to trigger EEH if
* the bus goes dead
*/
- init_timer_deferrable(&qdev->timer);
- qdev->timer.data = (unsigned long)qdev;
- qdev->timer.function = ql_timer;
- qdev->timer.expires = jiffies + (5*HZ);
- add_timer(&qdev->timer);
+ setup_deferrable_timer(&qdev->timer, ql_timer, (unsigned long)qdev);
+ mod_timer(&qdev->timer, jiffies + (5*HZ));
ql_link_off(qdev);
ql_display_dev_info(ndev);
atomic_set(&qdev->lb_count, 0);
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index d7c49cf1d5e9..0648d9279053 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -2647,9 +2647,8 @@ static void vxlan_setup(struct net_device *dev)
INIT_LIST_HEAD(&vxlan->next);
spin_lock_init(&vxlan->hash_lock);

- init_timer_deferrable(&vxlan->age_timer);
- vxlan->age_timer.function = vxlan_cleanup;
- vxlan->age_timer.data = (unsigned long) vxlan;
+ setup_deferrable_timer(&vxlan->age_timer, vxlan_cleanup,
+ (unsigned long)vxlan);

vxlan->dev = dev;

diff --git a/drivers/net/wireless/ath/ath6kl/recovery.c b/drivers/net/wireless/ath/ath6kl/recovery.c
index 3a8d5e97dc8e..fc7b731b309c 100644
--- a/drivers/net/wireless/ath/ath6kl/recovery.c
+++ b/drivers/net/wireless/ath/ath6kl/recovery.c
@@ -104,9 +104,8 @@ void ath6kl_recovery_init(struct ath6kl *ar)
recovery->seq_num = 0;
recovery->hb_misscnt = 0;
ar->fw_recovery.hb_pending = false;
- ar->fw_recovery.hb_timer.function = ath6kl_recovery_hb_timer;
- ar->fw_recovery.hb_timer.data = (unsigned long) ar;
- init_timer_deferrable(&ar->fw_recovery.hb_timer);
+ setup_deferrable_timer(&ar->fw_recovery.hb_timer,
+ ath6kl_recovery_hb_timer, (unsigned long)ar);

if (ar->fw_recovery.hb_poll)
mod_timer(&ar->fw_recovery.hb_timer, jiffies +
diff --git a/include/linux/timer.h b/include/linux/timer.h
index c6a1bc0bdf37..491dfdda4acf 100644
--- a/include/linux/timer.h
+++ b/include/linux/timer.h
@@ -128,8 +128,6 @@ static inline void init_timer_on_stack_key(struct timer_list *timer,

#define init_timer(timer) \
__init_timer((timer), 0)
-#define init_timer_deferrable(timer) \
- __init_timer((timer), TIMER_DEFERRABLE)

#define __setup_timer(_timer, _fn, _data, _flags) \
do { \
--
2.7.4