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net/can/mscan: drop assignment in while-construct

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As suggested by Wolfgang Grandegger.

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Wolfram Sang 2009-11-16 12:57:49 +00:00 committed by David S. Miller
parent 1712fe5941
commit 68bd7422a2
1 changed files with 4 additions and 2 deletions
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6
drivers/net/can/mscan/mscan.c
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@ -379,8 +379,10 @@ static int mscan_rx_poll(struct napi_struct *napi, int quota)
struct can_frame *frame;
u8 canrflg;
while (npackets < quota && ((canrflg = in_8(&regs->canrflg)) &
(MSCAN_RXF | MSCAN_ERR_IF))) {
while (npackets < quota) {
canrflg = in_8(&regs->canrflg);
if (!(canrflg & (MSCAN_RXF | MSCAN_ERR_IF)))
break;
skb = alloc_can_skb(dev, &frame);
if (!skb) {