[PATCH RESEND 08/13] power: reset: ltc2952: cleanup control flow in poweroff_handler
From: Frans Klaver <hidden>
Date: 2015-01-14 08:29:15
Also in:
linux-pm, lkml
Subsystem:
system reset/shutdown drivers, the rest · Maintainers:
Sebastian Reichel, Linus Torvalds
ltc2952_poweroff_handler uses gotos to return from the function. Since we don't do cleanups exiting this function, just return IRQ_HANDLED on the spot and be done with it. While at it, remove the variable 'ret'. It was never used very much. Signed-off-by: Frans Klaver <redacted> --- drivers/power/reset/ltc2952-poweroff.c | 18 +++++------------- 1 file changed, 5 insertions(+), 13 deletions(-)
diff --git a/drivers/power/reset/ltc2952-poweroff.c b/drivers/power/reset/ltc2952-poweroff.c
index af3cb6e..70d8e3a 100644
--- a/drivers/power/reset/ltc2952-poweroff.c
+++ b/drivers/power/reset/ltc2952-poweroff.c@@ -153,29 +153,21 @@ ltc2952_poweroff_timer_trigger(struct hrtimer *timer) */ static irqreturn_t ltc2952_poweroff_handler(int irq, void *dev_id) { - int ret; struct ltc2952_poweroff *data = dev_id; - if (data->kernel_panic) - goto irq_ok; - - if (hrtimer_active(&data->timer_wde)) { + if (data->kernel_panic || hrtimer_active(&data->timer_wde)) { /* shutdown is already triggered, nothing to do any more */ - goto irq_ok; + return IRQ_HANDLED; } if (!hrtimer_active(&data->timer_trigger)) { - ret = hrtimer_start(&data->timer_trigger, data->trigger_delay, - HRTIMER_MODE_REL); - - if (ret) + if (hrtimer_start(&data->timer_trigger, data->trigger_delay, + HRTIMER_MODE_REL)) dev_err(data->dev, "unable to start the wait timer\n"); } else { - ret = hrtimer_cancel(&data->timer_trigger); + hrtimer_cancel(&data->timer_trigger); /* omitting return value check, timer should have been valid */ } - -irq_ok: return IRQ_HANDLED; }
--
2.1.0