[PATCH] hw/net: Fix Coverity Issue for npcm-gmac

[Nabih Estefan]

There is an extra `buf=` set that is not used by npcm-gmac. Remove it
for coverity to be happy.

Signed-off-by: Nabih Estefan <nabihestefan@google.com>
---
 hw/net/npcm_gmac.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/hw/net/npcm_gmac.c b/hw/net/npcm_gmac.c
index 1b71e2526e..b397fd5064 100644
--- a/hw/net/npcm_gmac.c
+++ b/hw/net/npcm_gmac.c
@@ -614,7 +614,6 @@ static void gmac_try_send_next_packet(NPCMGMACState *gmac)
             net_checksum_calculate(tx_send_buffer, length, csum);
             qemu_send_packet(qemu_get_queue(gmac->nic), tx_send_buffer, 
length);
             trace_npcm_gmac_packet_sent(DEVICE(gmac)->canonical_path, length);
-            buf = tx_send_buffer;
             length = 0;
         }
 
-- 
2.45.2.627.g7a2c4fd464-goog