[PATCH] hpet: Drop unused variable 'm' in hpet_interrupt()

[Kefeng Wang]

../drivers/char/hpet.c:159:17: warning: variable ‘m’ set but not used
[-Wunused-but-set-variable]
   unsigned long m, t, mc, base, k;
                 ^
Signed-off-by: Kefeng Wang <wangkefeng.w...@huawei.com>
---
 drivers/char/hpet.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c
index 9ac6671bb514..039398cb14aa 100644
--- a/drivers/char/hpet.c
+++ b/drivers/char/hpet.c
@@ -156,12 +156,11 @@ static irqreturn_t hpet_interrupt(int irq, void *data)
         * This has the effect of treating non-periodic like periodic.
         */
        if ((devp->hd_flags & (HPET_IE | HPET_PERIODIC)) == HPET_IE) {
-               unsigned long m, t, mc, base, k;
+               unsigned long t, mc, base, k;
                struct hpet __iomem *hpet = devp->hd_hpet;
                struct hpets *hpetp = devp->hd_hpets;
 
                t = devp->hd_ireqfreq;
-               m = read_counter(&devp->hd_timer->hpet_compare);
                mc = read_counter(&hpet->hpet_mc);
                /* The time for the next interrupt would logically be t + m,
                 * however, if we are very unlucky and the interrupt is delayed
-- 
2.20.1