Patch "net/mlx5e: Fix ETS BW check" has been added to the 4.14-stable tree

This is a note to let you know that I've just added the patch titled

net/mlx5e: Fix ETS BW check

to the 4.14-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
net-mlx5e-fix-ets-bw-check.patch
and it can be found in the queue-4.14 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

From: Huy Nguyen <[email protected]>
Date: Thu, 26 Oct 2017 09:56:34 -0500
Subject: net/mlx5e: Fix ETS BW check

From: Huy Nguyen <[email protected]>

[ Upstream commit ff0891915cd7b24ab27eee9b360c0452853bf9f6 ]

Fix bug that allows ets bw sum to be 0% when ets tc type exists.

---
 drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c |   10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

@@ -259,6 +259,7 @@ int mlx5e_dcbnl_ieee_setets_core(struct
 static int mlx5e_dbcnl_validate_ets(struct net_device *netdev,
 				    struct ieee_ets *ets)
 {
+	bool have_ets_tc = false;
 	int bw_sum = 0;
 	int i;
 

@@ -273,11 +274,14 @@ static int mlx5e_dbcnl_validate_ets(stru
 	}
 
 	/* Validate Bandwidth Sum */
-	for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++)
-		if (ets->tc_tsa[i] == IEEE_8021QAZ_TSA_ETS)
+	for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
+		if (ets->tc_tsa[i] == IEEE_8021QAZ_TSA_ETS) {
+			have_ets_tc = true;
 			bw_sum += ets->tc_tx_bw[i];
+		}
+	}
 
-	if (bw_sum != 0 && bw_sum != 100) {
+	if (have_ets_tc && bw_sum != 100) {
 		netdev_err(netdev,
 			   "Failed to validate ETS: BW sum is illegal\n");
 		return -EINVAL;

Patches currently in stable-queue which might be from [email protected] are

queue-4.14/net-mlx5e-fix-ets-bw-check.patch