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scsi: dc395x: Convert timers to use timer_setup()

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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: Oliver Neukum <oliver@neukum.org>
Cc: Ali Akcaagac <aliakc@web.de>
Cc: Jamie Lenehan <lenehan@twibble.org>
Cc: "James E.J. Bottomley" <jejb@linux.vnet.ibm.com>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: linux-scsi@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Kees Cook 2017-10-11 21:51:09 -07:00
parent abef751056
commit af53b89bec
1 changed files with 5 additions and 8 deletions
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13
drivers/scsi/dc395x.c
View file

@ -395,7 +395,7 @@ static void request_sense(struct AdapterCtlBlk *acb, struct DeviceCtlBlk *dcb,
struct ScsiReqBlk *srb); struct ScsiReqBlk *srb);
static void set_xfer_rate(struct AdapterCtlBlk *acb, static void set_xfer_rate(struct AdapterCtlBlk *acb,
struct DeviceCtlBlk *dcb); struct DeviceCtlBlk *dcb);
static void waiting_timeout(unsigned long ptr); static void waiting_timeout(struct timer_list *t);
/*--------------------------------------------------------------------------- /*---------------------------------------------------------------------------
@ -857,9 +857,6 @@ static void waiting_set_timer(struct AdapterCtlBlk *acb, unsigned long to)
{ {
if (timer_pending(&acb->waiting_timer)) if (timer_pending(&acb->waiting_timer))
return; return;
init_timer(&acb->waiting_timer);
acb->waiting_timer.function = waiting_timeout;
acb->waiting_timer.data = (unsigned long) acb;
if (time_before(jiffies + to, acb->last_reset - HZ / 2)) if (time_before(jiffies + to, acb->last_reset - HZ / 2))
acb->waiting_timer.expires = acb->waiting_timer.expires =
acb->last_reset - HZ / 2 + 1; acb->last_reset - HZ / 2 + 1;
@ -936,10 +933,10 @@ static void waiting_process_next(struct AdapterCtlBlk *acb)
/* Wake up waiting queue */ /* Wake up waiting queue */
static void waiting_timeout(unsigned long ptr) static void waiting_timeout(struct timer_list *t)
{ {
unsigned long flags; unsigned long flags;
struct AdapterCtlBlk *acb = (struct AdapterCtlBlk *)ptr; struct AdapterCtlBlk *acb = from_timer(acb, t, waiting_timer);
dprintkdbg(DBG_1, dprintkdbg(DBG_1,
"waiting_timeout: Queue woken up by timer. acb=%p\n", acb); "waiting_timeout: Queue woken up by timer. acb=%p\n", acb);
DC395x_LOCK_IO(acb->scsi_host, flags); DC395x_LOCK_IO(acb->scsi_host, flags);
@ -4366,8 +4363,8 @@ static void adapter_init_params(struct AdapterCtlBlk *acb)
INIT_LIST_HEAD(&acb->srb_free_list); INIT_LIST_HEAD(&acb->srb_free_list);
/* temp SRB for Q tag used or abort command used */ /* temp SRB for Q tag used or abort command used */
acb->tmp_srb = &acb->srb; acb->tmp_srb = &acb->srb;
init_timer(&acb->waiting_timer); timer_setup(&acb->waiting_timer, waiting_timeout, 0);
init_timer(&acb->selto_timer); timer_setup(&acb->selto_timer, NULL, 0);
acb->srb_count = DC395x_MAX_SRB_CNT; acb->srb_count = DC395x_MAX_SRB_CNT;