netdev - [PATCH 06/11] net/can/mscan: drop assignment in while-construct

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Date:	Mon, 16 Nov 2009 23:57:49 +0100
From:	Wolfram Sang <w.sang@...gutronix.de>
To:	netdev@...r.kernel.org
Cc:	linuxppc-dev@...abs.org, socketcan-core@...ts.berlios.de,
	David Miller <davem@...emloft.net>,
	Grant Likely <grant.likely@...retlab.ca>, wg@...ndegger.com,
	Wolfram Sang <w.sang@...gutronix.de>
Subject: [PATCH 06/11] net/can/mscan: drop assignment in while-construct

As suggested by Wolfgang Grandegger.

Signed-off-by: Wolfram Sang <w.sang@...gutronix.de>
---
 drivers/net/can/mscan/mscan.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/net/can/mscan/mscan.c b/drivers/net/can/mscan/mscan.c
index 76e413e..20d1991 100644
--- a/drivers/net/can/mscan/mscan.c
+++ b/drivers/net/can/mscan/mscan.c
@@ -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) {
-- 
1.6.3.3

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