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From: sudipm.mukherjee@gmail.com (Sudip Mukherjee)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/2] net: can: comparison of unsigned variable
Date: Tue, 18 Nov 2014 19:17:07 +0530	[thread overview]
Message-ID: <1416318427-28676-2-git-send-email-sudipm.mukherjee@gmail.com> (raw)
In-Reply-To: <1416318427-28676-1-git-send-email-sudipm.mukherjee@gmail.com>

err was of the type u32. it was being compared with < 0, and being
an unsigned variable the comparison would have been always false.

moreover, err was getting the return value from set_reset_mode()
and xcan_set_bittiming(), and both are returning int.

Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
---
 drivers/net/can/xilinx_can.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/can/xilinx_can.c b/drivers/net/can/xilinx_can.c
index 72fe96f..67c2dd4 100644
--- a/drivers/net/can/xilinx_can.c
+++ b/drivers/net/can/xilinx_can.c
@@ -300,7 +300,8 @@ static int xcan_set_bittiming(struct net_device *ndev)
 static int xcan_chip_start(struct net_device *ndev)
 {
 	struct xcan_priv *priv = netdev_priv(ndev);
-	u32 err, reg_msr, reg_sr_mask;
+	u32 reg_msr, reg_sr_mask;
+	int err;
 	unsigned long timeout;
 
 	/* Check if it is in reset mode */
-- 
1.8.1.2

       reply	other threads:[~2014-11-18 13:47 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1416318427-28676-1-git-send-email-sudipm.mukherjee@gmail.com>
2014-11-18 13:47 ` Sudip Mukherjee [this message]
2014-11-18 16:47   ` [PATCH 2/2] net: can: comparison of unsigned variable Michal Simek

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