lkml.org 
[lkml]   [2020]   [Sep]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH net-next] net: mventa: remove unused variable 'dummy' in mvneta_mib_counters_clear()
Date
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>
---
drivers/net/ethernet/marvell/mvneta.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index f75e05e..4694242 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -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 */
--
2.9.5
\
 
 \ /
  Last update: 2020-09-19 04:29    [W:0.371 / U:0.448 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site