linux-kernel - [PATCH] ixgbevf: remove redundant initialization of variable 'dma'.

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Date:   Thu,  1 Feb 2018 18:35:39 +0000
From:   Colin King <colin.king@...onical.com>
To:     Jeff Kirsher <jeffrey.t.kirsher@...el.com>,
        intel-wired-lan@...ts.osuosl.org, netdev@...r.kernel.org
Cc:     kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] ixgbevf: remove redundant initialization of variable 'dma'.

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

Variable dma is initialized with a value that is never read, later
on it is re-assigned a new value, hence the initialization is redundant
and can be removed.

Cleans up clang warning:
drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c:584:13: warning: Value
stored to 'dma' during its initialization is never read

Signed-off-by: Colin Ian King <colin.king@...onical.com>
---
 drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
index 9b3d43d28106..be50facec93f 100644
--- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
+++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
@@ -558,7 +558,7 @@ static bool ixgbevf_alloc_mapped_page(struct ixgbevf_ring *rx_ring,
 				      struct ixgbevf_rx_buffer *bi)
 {
 	struct page *page = bi->page;
-	dma_addr_t dma = bi->dma;
+	dma_addr_t dma;
 
 	/* since we are recycling buffers we should seldom need to alloc */
 	if (likely(page))
-- 
2.15.1