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net: macb: remove redundant assignment to variable work_done 

Variable work_done is set to zero and this value is never read, instead
it is set to another value a few statements later.  Remove the redundant
assignment. Cleans up clang warning:

drivers/net/ethernet/cadence/macb_main.c:1221:2: warning: Value stored
to 'work_done' is never read

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Tested-by: Alexander Dahl <ada@thorsis.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Colin Ian King 2017-10-31 14:23:24 +00:00 committed by David S. Miller
parent 032a480202
commit e0337f92f6
1 changed files with 0 additions and 2 deletions
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drivers/net/ethernet/cadence/macb_main.c
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@ -1218,8 +1218,6 @@ static int macb_poll(struct napi_struct *napi, int budget)
status = macb_readl(bp, RSR);
macb_writel(bp, RSR, status);
work_done = 0;
netdev_vdbg(bp->dev, "poll: status = %08lx, budget = %d\n",
(unsigned long)status, budget);