Thread (2 messages) 2 messages, 2 authors, 2018-02-01

Re: [Intel-wired-lan] [PATCH] ixgbevf: remove redundant initialization of variable 'dma'.

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From: Alexander Duyck <hidden>
Date: 2018-02-01 20:29:34
Also in: intel-wired-lan, kernel-janitors, lkml

On Thu, Feb 1, 2018 at 10:35 AM, Colin King [off-list ref] wrote:
From: Colin Ian King <redacted>

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 <redacted>
Acked-by: Alexander Duyck <redacted>
quoted hunk ↗ jump to hunk
---
 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

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