linux-kernel - [PATCH] vmxnet3: remove redundant initialization of pointer 'rq'

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Message-Id: <20180201172921.22770-1-colin.king@canonical.com>
Date:   Thu,  1 Feb 2018 17:29:21 +0000
From:   Colin King <colin.king@...onical.com>
To:     Shrikrishna Khare <skhare@...are.com>, pv-drivers@...are.com,
        netdev@...r.kernel.org
Cc:     kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] vmxnet3: remove redundant initialization of pointer 'rq'

From: Colin Ian King <colin.king@...onical.com>

Pointer rq is being initialized but this value is never read, it
is being updated inside a for-loop. Remove the initialization and
move it into the scope of the for-loop.

Cleans up clang warning:
drivers/net/vmxnet3/vmxnet3_drv.c:2763:27: warning: Value stored
to 'rq' during its initialization is never read

Signed-off-by: Colin Ian King <colin.king@...onical.com>
---
 drivers/net/vmxnet3/vmxnet3_drv.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c
index cf95290b160c..8b39c160743d 100644
--- a/drivers/net/vmxnet3/vmxnet3_drv.c
+++ b/drivers/net/vmxnet3/vmxnet3_drv.c
@@ -2760,9 +2760,6 @@ static void
 vmxnet3_adjust_rx_ring_size(struct vmxnet3_adapter *adapter)
 {
 	size_t sz, i, ring0_size, ring1_size, comp_size;
-	struct vmxnet3_rx_queue	*rq = &adapter->rx_queue[0];
-
-
 	if (adapter->netdev->mtu <= VMXNET3_MAX_SKB_BUF_SIZE -
 				    VMXNET3_MAX_ETH_HDR_SIZE) {
 		adapter->skb_buf_size = adapter->netdev->mtu +
@@ -2794,7 +2791,8 @@ vmxnet3_adjust_rx_ring_size(struct vmxnet3_adapter *adapter)
 	comp_size = ring0_size + ring1_size;
 
 	for (i = 0; i < adapter->num_rx_queues; i++) {
-		rq = &adapter->rx_queue[i];
+		struct vmxnet3_rx_queue	*rq = &adapter->rx_queue[i];
+
 		rq->rx_ring[0].size = ring0_size;
 		rq->rx_ring[1].size = ring1_size;
 		rq->comp_ring.size = comp_size;
-- 
2.15.1