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From: Chen Qun <kuhn.chenqun@huawei.com>
To: <qemu-devel@nongnu.org>, <qemu-trivial@nongnu.org>
Cc: Peter Maydell <peter.maydell@linaro.org>,
	zhang.zhanghailiang@huawei.com,
	Igor Mitsyanko <i.mitsyanko@gmail.com>,
	laurent@vivier.eu, Euler Robot <euler.robot@huawei.com>,
	Chen Qun <kuhn.chenqun@huawei.com>,
	philmd@redhat.com
Subject: [PATCH v4 3/3] timer/exynos4210_mct: Remove redundant statement in exynos4210_mct_write()
Date: Tue, 24 Mar 2020 16:22:35 +0800	[thread overview]
Message-ID: <20200324082235.27980-4-kuhn.chenqun@huawei.com> (raw)
In-Reply-To: <20200324082235.27980-1-kuhn.chenqun@huawei.com>

Clang static code analyzer show warning:
hw/timer/exynos4210_mct.c:1370:9: warning: Value stored to 'index' is never read
        index = GET_L_TIMER_CNT_REG_IDX(offset, lt_i);
        ^       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
hw/timer/exynos4210_mct.c:1399:9: warning: Value stored to 'index' is never read
        index = GET_L_TIMER_CNT_REG_IDX(offset, lt_i);
        ^       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
hw/timer/exynos4210_mct.c:1441:9: warning: Value stored to 'index' is never read
        index = GET_L_TIMER_CNT_REG_IDX(offset, lt_i);
        ^       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Reported-by: Euler Robot <euler.robot@huawei.com>
Signed-off-by: Chen Qun <kuhn.chenqun@huawei.com>
---
Cc: Igor Mitsyanko <i.mitsyanko@gmail.com>
Cc: Peter Maydell <peter.maydell@linaro.org>
---
 hw/timer/exynos4210_mct.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/hw/timer/exynos4210_mct.c b/hw/timer/exynos4210_mct.c
index 944120aea5..570cf7075b 100644
--- a/hw/timer/exynos4210_mct.c
+++ b/hw/timer/exynos4210_mct.c
@@ -1367,7 +1367,6 @@ static void exynos4210_mct_write(void *opaque, hwaddr offset,
 
     case L0_TCNTB: case L1_TCNTB:
         lt_i = GET_L_TIMER_IDX(offset);
-        index = GET_L_TIMER_CNT_REG_IDX(offset, lt_i);
 
         /*
          * TCNTB is updated to internal register only after CNT expired.
@@ -1396,7 +1395,6 @@ static void exynos4210_mct_write(void *opaque, hwaddr offset,
 
     case L0_ICNTB: case L1_ICNTB:
         lt_i = GET_L_TIMER_IDX(offset);
-        index = GET_L_TIMER_CNT_REG_IDX(offset, lt_i);
 
         s->l_timer[lt_i].reg.wstat |= L_WSTAT_ICNTB_WRITE;
         s->l_timer[lt_i].reg.cnt[L_REG_CNT_ICNTB] = value &
@@ -1438,8 +1436,6 @@ static void exynos4210_mct_write(void *opaque, hwaddr offset,
 
     case L0_FRCNTB: case L1_FRCNTB:
         lt_i = GET_L_TIMER_IDX(offset);
-        index = GET_L_TIMER_CNT_REG_IDX(offset, lt_i);
-
         DPRINTF("local timer[%d] FRCNTB write %llx\n", lt_i, value);
 
         s->l_timer[lt_i].reg.wstat |= L_WSTAT_FRCCNTB_WRITE;
-- 
2.23.0




  parent reply	other threads:[~2020-03-24  8:24 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-24  8:22 [PATCH v4 0/3] redundant code: Fix warnings reported by Clang static code analyzer Chen Qun
2020-03-24  8:22 ` [PATCH v4 1/3] scsi/esp-pci: Remove redundant statement in esp_pci_io_write() Chen Qun
2020-03-24  8:27   ` Laurent Vivier
2020-03-24  8:22 ` [PATCH v4 2/3] display/blizzard: Remove redundant statement in blizzard_draw_line16_32() Chen Qun
2020-03-24  8:38   ` Laurent Vivier
2020-03-24  8:40     ` Laurent Vivier
2020-03-24 11:49       ` Chenqun (kuhn)
2020-03-24  8:22 ` Chen Qun [this message]
2020-03-24 10:59   ` [PATCH v4 3/3] timer/exynos4210_mct: Remove redundant statement in exynos4210_mct_write() Laurent Vivier
2020-03-24 12:22     ` Chenqun (kuhn)
2020-03-24 13:21       ` Laurent Vivier

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