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net: mventa: remove unused variable 'dummy' in mvneta_mib_counters_clear() 

Fixes the following W=1 kernel build warning(s):

drivers/net/ethernet/marvell/mvneta.c:754:6: warning:
 variable 'dummy' set but not used [-Wunused-but-set-variable]
  754 |  u32 dummy;
      |      ^~~~~

This variable is not used in function mvneta_mib_counters_clear(), so
remove it to avoid build warning.

Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
zero-sugar-mainline-defconfig
Zhang Changzhong 2020-09-19 10:26:51 +08:00 committed by David S. Miller
parent 1f14bd99e6
commit 098c2fc6d9
1 changed files with 3 additions and 4 deletions
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7
drivers/net/ethernet/marvell/mvneta.c
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@ -751,13 +751,12 @@ static void mvneta_txq_inc_put(struct mvneta_tx_queue *txq)
static void mvneta_mib_counters_clear(struct mvneta_port *pp)
{
int i;
u32 dummy;
/* Perform dummy reads from MIB counters */
for (i = 0; i < MVNETA_MIB_LATE_COLLISION; i += 4)
dummy = mvreg_read(pp, (MVNETA_MIB_COUNTERS_BASE + i));
dummy = mvreg_read(pp, MVNETA_RX_DISCARD_FRAME_COUNT);
dummy = mvreg_read(pp, MVNETA_OVERRUN_FRAME_COUNT);
mvreg_read(pp, (MVNETA_MIB_COUNTERS_BASE + i));
mvreg_read(pp, MVNETA_RX_DISCARD_FRAME_COUNT);
mvreg_read(pp, MVNETA_OVERRUN_FRAME_COUNT);
}
/* Get System Network Statistics */