[PATCH v2] block/aoe: Convert timers to use timer_setup()

From: Kees Cook
Date: Thu Oct 05 2017 - 19:14:03 EST


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: Jens Axboe <axboe@xxxxxxxxx>
Cc: "Ed L. Cashin" <ed.cashin@xxxxxxx>
Cc: linux-block@xxxxxxxxxxxxxxx
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
---
v2: Rebased to linux-block.git/for-4.15/timer
---
drivers/block/aoe/aoecmd.c | 6 +++---
drivers/block/aoe/aoedev.c | 9 +++------
2 files changed, 6 insertions(+), 9 deletions(-)

diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c
index dc43254e05a4..55ab25f79a08 100644
--- a/drivers/block/aoe/aoecmd.c
+++ b/drivers/block/aoe/aoecmd.c
@@ -744,7 +744,7 @@ count_targets(struct aoedev *d, int *untainted)
}

static void
-rexmit_timer(ulong vp)
+rexmit_timer(struct timer_list *timer)
{
struct aoedev *d;
struct aoetgt *t;
@@ -758,7 +758,7 @@ rexmit_timer(ulong vp)
int utgts; /* number of aoetgt descriptors (not slots) */
int since;

- d = (struct aoedev *) vp;
+ d = from_timer(d, timer, timer);

spin_lock_irqsave(&d->lock, flags);

@@ -1429,7 +1429,7 @@ aoecmd_ata_id(struct aoedev *d)

d->rttavg = RTTAVG_INIT;
d->rttdev = RTTDEV_INIT;
- d->timer.function = rexmit_timer;
+ d->timer.function = (TIMER_FUNC_TYPE)rexmit_timer;

skb = skb_clone(skb, GFP_ATOMIC);
if (skb) {
diff --git a/drivers/block/aoe/aoedev.c b/drivers/block/aoe/aoedev.c
index b28fefb90391..697f735b07a4 100644
--- a/drivers/block/aoe/aoedev.c
+++ b/drivers/block/aoe/aoedev.c
@@ -15,7 +15,6 @@
#include <linux/string.h>
#include "aoe.h"

-static void dummy_timer(ulong);
static void freetgt(struct aoedev *d, struct aoetgt *t);
static void skbpoolfree(struct aoedev *d);

@@ -146,11 +145,11 @@ aoedev_put(struct aoedev *d)
}

static void
-dummy_timer(ulong vp)
+dummy_timer(struct timer_list *t)
{
struct aoedev *d;

- d = (struct aoedev *)vp;
+ d = from_timer(d, t, timer);
if (d->flags & DEVFL_TKILL)
return;
d->timer.expires = jiffies + HZ;
@@ -466,9 +465,7 @@ aoedev_by_aoeaddr(ulong maj, int min, int do_alloc)
INIT_WORK(&d->work, aoecmd_sleepwork);
spin_lock_init(&d->lock);
skb_queue_head_init(&d->skbpool);
- init_timer(&d->timer);
- d->timer.data = (ulong) d;
- d->timer.function = dummy_timer;
+ timer_setup(&d->timer, dummy_timer, 0);
d->timer.expires = jiffies + HZ;
add_timer(&d->timer);
d->bufpool = NULL; /* defer to aoeblk_gdalloc */
--
2.7.4


--
Kees Cook
Pixel Security