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scsi: pmcraid: 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: "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 2017-08-22 12:48:29 -07:00
parent c251a7be46
commit 242b56579e
1 changed files with 13 additions and 20 deletions
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33
drivers/scsi/pmcraid.c
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@ -348,7 +348,7 @@ static void pmcraid_init_cmdblk(struct pmcraid_cmd *cmd, int index)
cmd->sense_buffer = NULL;
cmd->sense_buffer_dma = 0;
cmd->dma_handle = 0;
init_timer(&cmd->timer);
timer_setup(&cmd->timer, NULL, 0);
}
/**
@ -557,8 +557,9 @@ static void pmcraid_reset_type(struct pmcraid_instance *pinstance)
static void pmcraid_ioa_reset(struct pmcraid_cmd *);
static void pmcraid_bist_done(struct pmcraid_cmd *cmd)
static void pmcraid_bist_done(struct timer_list *t)
{
struct pmcraid_cmd *cmd = from_timer(cmd, t, timer);
struct pmcraid_instance *pinstance = cmd->drv_inst;
unsigned long lock_flags;
int rc;
@ -572,9 +573,6 @@ static void pmcraid_bist_done(struct pmcraid_cmd *cmd)
pmcraid_info("BIST not complete, waiting another 2 secs\n");
cmd->timer.expires = jiffies + cmd->time_left;
cmd->time_left = 0;
cmd->timer.data = (unsigned long)cmd;
cmd->timer.function =
(void (*)(unsigned long))pmcraid_bist_done;
add_timer(&cmd->timer);
} else {
cmd->time_left = 0;
@ -605,9 +603,8 @@ static void pmcraid_start_bist(struct pmcraid_cmd *cmd)
doorbells, intrs);
cmd->time_left = msecs_to_jiffies(PMCRAID_BIST_TIMEOUT);
cmd->timer.data = (unsigned long)cmd;
cmd->timer.expires = jiffies + msecs_to_jiffies(PMCRAID_BIST_TIMEOUT);
cmd->timer.function = (void (*)(unsigned long))pmcraid_bist_done;
cmd->timer.function = (TIMER_FUNC_TYPE)pmcraid_bist_done;
add_timer(&cmd->timer);
}
@ -617,8 +614,9 @@ static void pmcraid_start_bist(struct pmcraid_cmd *cmd)
* Return value
* None
*/
static void pmcraid_reset_alert_done(struct pmcraid_cmd *cmd)
static void pmcraid_reset_alert_done(struct timer_list *t)
{
struct pmcraid_cmd *cmd = from_timer(cmd, t, timer);
struct pmcraid_instance *pinstance = cmd->drv_inst;
u32 status = ioread32(pinstance->ioa_status);
unsigned long lock_flags;
@ -637,10 +635,8 @@ static void pmcraid_reset_alert_done(struct pmcraid_cmd *cmd)
pmcraid_info("critical op is not yet reset waiting again\n");
/* restart timer if some more time is available to wait */
cmd->time_left -= PMCRAID_CHECK_FOR_RESET_TIMEOUT;
cmd->timer.data = (unsigned long)cmd;
cmd->timer.expires = jiffies + PMCRAID_CHECK_FOR_RESET_TIMEOUT;
cmd->timer.function =
(void (*)(unsigned long))pmcraid_reset_alert_done;
cmd->timer.function = (TIMER_FUNC_TYPE)pmcraid_reset_alert_done;
add_timer(&cmd->timer);
}
}
@ -676,10 +672,8 @@ static void pmcraid_reset_alert(struct pmcraid_cmd *cmd)
* bit to be reset.
*/
cmd->time_left = PMCRAID_RESET_TIMEOUT;
cmd->timer.data = (unsigned long)cmd;
cmd->timer.expires = jiffies + PMCRAID_CHECK_FOR_RESET_TIMEOUT;
cmd->timer.function =
(void (*)(unsigned long))pmcraid_reset_alert_done;
cmd->timer.function = (TIMER_FUNC_TYPE)pmcraid_reset_alert_done;
add_timer(&cmd->timer);
iowrite32(DOORBELL_IOA_RESET_ALERT,
@ -704,8 +698,9 @@ static void pmcraid_reset_alert(struct pmcraid_cmd *cmd)
* Return value:
* None
*/
static void pmcraid_timeout_handler(struct pmcraid_cmd *cmd)
static void pmcraid_timeout_handler(struct timer_list *t)
{
struct pmcraid_cmd *cmd = from_timer(cmd, t, timer);
struct pmcraid_instance *pinstance = cmd->drv_inst;
unsigned long lock_flags;
@ -919,7 +914,7 @@ static void pmcraid_send_cmd(
struct pmcraid_cmd *cmd,
void (*cmd_done) (struct pmcraid_cmd *),
unsigned long timeout,
void (*timeout_func) (struct pmcraid_cmd *)
void (*timeout_func) (struct timer_list *)
)
{
/* initialize done function */
@ -927,9 +922,8 @@ static void pmcraid_send_cmd(
if (timeout_func) {
/* setup timeout handler */
cmd->timer.data = (unsigned long)cmd;
cmd->timer.expires = jiffies + timeout;
cmd->timer.function = (void (*)(unsigned long))timeout_func;
cmd->timer.function = (TIMER_FUNC_TYPE)timeout_func;
add_timer(&cmd->timer);
}
@ -1955,10 +1949,9 @@ static void pmcraid_soft_reset(struct pmcraid_cmd *cmd)
* would re-initiate a reset
*/
cmd->cmd_done = pmcraid_ioa_reset;
cmd->timer.data = (unsigned long)cmd;
cmd->timer.expires = jiffies +
msecs_to_jiffies(PMCRAID_TRANSOP_TIMEOUT);
cmd->timer.function = (void (*)(unsigned long))pmcraid_timeout_handler;
cmd->timer.function = (TIMER_FUNC_TYPE)pmcraid_timeout_handler;
if (!timer_pending(&cmd->timer))
add_timer(&cmd->timer);