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[3.16.y-ckt,38/71] xen/netback: Properly initialize credit_bytes

Message ID 1435226570-3669-39-git-send-email-luis.henriques@canonical.com
State New
Headers show

Commit Message

Luis Henriques June 25, 2015, 10:02 a.m. UTC 
3.16.7-ckt14 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Ross Lagerwall <ross.lagerwall@citrix.com>

commit ce0e5c522d3924090c20e774359809a7aa08c44c upstream.

Commit e9ce7cb6b107 ("xen-netback: Factor queue-specific data into queue
struct") introduced a regression when moving queue-specific data into
the queue struct by failing to set the credit_bytes field. This
prevented bandwidth limiting from working. Initialize the field as it
was done before multiqueue support was added.

Signed-off-by: Ross Lagerwall <ross.lagerwall@citrix.com>
Acked-by: Wei Liu <wei.liu2@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>
---
 drivers/net/xen-netback/xenbus.c | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/drivers/net/xen-netback/xenbus.c b/drivers/net/xen-netback/xenbus.c
index 9378a17c9553..e54e96851cb7 100644
--- a/drivers/net/xen-netback/xenbus.c
+++ b/drivers/net/xen-netback/xenbus.c
@@ -548,6 +548,7 @@  static void connect(struct backend_info *be)
 			goto err;
 		}
 
+		queue->credit_bytes = credit_bytes;
 		queue->remaining_credit = credit_bytes;
 		queue->credit_usec = credit_usec;