netdev - [PATCH net-next] cxgb4: fix the wrong conversion of Mbps to Kbps

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Date:   Thu, 10 May 2018 16:07:23 +0530
From:   Ganesh Goudar <ganeshgr@...lsio.com>
To:     netdev@...r.kernel.org, davem@...emloft.net
Cc:     nirranjan@...lsio.com, indranil@...lsio.com, venkatesh@...lsio.com,
        Ganesh Goudar <ganeshgr@...lsio.com>
Subject: [PATCH net-next] cxgb4: fix the wrong conversion of Mbps to Kbps

fix the wrong conversion where 1 Mbps was converted to
1024 Kbps.

Signed-off-by: Ganesh Goudar <ganeshgr@...lsio.com>
---
 drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
index 32cad0a..5e33780 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -2886,13 +2886,13 @@ static int cxgb_set_tx_maxrate(struct net_device *dev, int index, u32 rate)
 	}
 
 	/* Convert from Mbps to Kbps */
-	req_rate = rate << 10;
+	req_rate = rate * 1000;
 
 	/* Max rate is 100 Gbps */
-	if (req_rate >= SCHED_MAX_RATE_KBPS) {
+	if (req_rate > SCHED_MAX_RATE_KBPS) {
 		dev_err(adap->pdev_dev,
 			"Invalid rate %u Mbps, Max rate is %u Mbps\n",
-			rate, SCHED_MAX_RATE_KBPS >> 10);
+			rate, SCHED_MAX_RATE_KBPS / 1000);
 		return -ERANGE;
 	}
 
-- 
2.1.0