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lan743x: remove redundant initialization of variable current_head_index

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[ Upstream commit bb809a047eb5070e2fc76aa62d111fbbe656c532 ]

The variable current_head_index is being initialized with a value that
is never read and it is being updated later with a new value.  Replace
the initialization of -1 with the latter assignment.

Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Stable-dep-of: 2d52e2e38b85 ("net: lan743x: Fix memleak issue when GSO enabled")
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Colin Ian King 2020-07-22 16:12:21 +01:00 • committed by Greg Kroah-Hartman
commit a63d220f2a
1 changed files with 1 additions and 2 deletions
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3
drivers/net/ethernet/microchip/lan743x_main.c
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@ -2004,14 +2004,13 @@ static int lan743x_rx_process_packet(struct lan743x_rx *rx)
{
struct skb_shared_hwtstamps *hwtstamps = NULL;
int result = RX_PROCESS_RESULT_NOTHING_TO_DO;
int current_head_index = *rx->head_cpu_ptr;
struct lan743x_rx_buffer_info *buffer_info;
struct lan743x_rx_descriptor *descriptor;
int current_head_index = -1;
int extension_index = -1;
int first_index = -1;
int last_index = -1;
current_head_index = *rx->head_cpu_ptr;
if (current_head_index < 0 || current_head_index >= rx->ring_size)
goto done;