[dpdk-stable] patch 'net/sfc: fix an Rx queue double release possibility' has been queued to LTS release 17.11.5
Yongseok Koh
yskoh at mellanox.com
Fri Nov 30 00:10:17 CET 2018
Hi,
FYI, your patch has been queued to LTS release 17.11.5
Note it hasn't been pushed to http://dpdk.org/browse/dpdk-stable yet.
It will be pushed if I get no objections before 12/01/18. So please
shout if anyone has objections.
Also note that after the patch there's a diff of the upstream commit vs the patch applied
to the branch. If the code is different (ie: not only metadata diffs), due for example to
a change in context or macro names, please double check it.
Thanks.
Yongseok
---
>From b77430c4425710cd34910a3509bf12251ec2714d Mon Sep 17 00:00:00 2001
From: Igor Romanov <igor.romanov at oktetlabs.ru>
Date: Fri, 14 Sep 2018 08:31:35 +0100
Subject: [PATCH] net/sfc: fix an Rx queue double release possibility
[ upstream commit 7eb7588c99ab5fd0f31032b29cac74b57e1de2ff ]
There are two function that call sfc_rx_qfini():
sfc_rx_fini_queues() and sfc_rx_queue_release(). But only
sfc_rx_queue_release() sets rx_queues pointer of the device data to NULL.
It may lead to the scenario in which a queue is destroyed by
sfc_rx_fini_queues() and after the queue is attempted to be destroyed again
by sfc_rx_queue_release().
Move NULL assignment to sfc_rx_qfini().
Fixes: ce35b05c635e ("net/sfc: implement Rx queue setup release operations")
Signed-off-by: Igor Romanov <igor.romanov at oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybchenko at solarflare.com>
---
drivers/net/sfc/sfc_ethdev.c | 2 --
drivers/net/sfc/sfc_rx.c | 1 +
2 files changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/net/sfc/sfc_ethdev.c b/drivers/net/sfc/sfc_ethdev.c
index 1b160b5e9..ba08d615a 100644
--- a/drivers/net/sfc/sfc_ethdev.c
+++ b/drivers/net/sfc/sfc_ethdev.c
@@ -458,8 +458,6 @@ sfc_rx_queue_release(void *queue)
sfc_log_init(sa, "RxQ=%u", sw_index);
- sa->eth_dev->data->rx_queues[sw_index] = NULL;
-
sfc_rx_qfini(sa, sw_index);
sfc_adapter_unlock(sa);
diff --git a/drivers/net/sfc/sfc_rx.c b/drivers/net/sfc/sfc_rx.c
index 8fc93d682..4497d5f48 100644
--- a/drivers/net/sfc/sfc_rx.c
+++ b/drivers/net/sfc/sfc_rx.c
@@ -1028,6 +1028,7 @@ sfc_rx_qfini(struct sfc_adapter *sa, unsigned int sw_index)
struct sfc_rxq *rxq;
SFC_ASSERT(sw_index < sa->rxq_count);
+ sa->eth_dev->data->rx_queues[sw_index] = NULL;
rxq_info = &sa->rxq_info[sw_index];
--
2.11.0
---
Diff of the applied patch vs upstream commit (please double-check if non-empty:
---
--- - 2018-11-29 15:01:46.291784762 -0800
+++ 0023-net-sfc-fix-an-Rx-queue-double-release-possibility.patch 2018-11-29 15:01:45.019966000 -0800
@@ -1,8 +1,10 @@
-From 7eb7588c99ab5fd0f31032b29cac74b57e1de2ff Mon Sep 17 00:00:00 2001
+From b77430c4425710cd34910a3509bf12251ec2714d Mon Sep 17 00:00:00 2001
From: Igor Romanov <igor.romanov at oktetlabs.ru>
Date: Fri, 14 Sep 2018 08:31:35 +0100
Subject: [PATCH] net/sfc: fix an Rx queue double release possibility
+[ upstream commit 7eb7588c99ab5fd0f31032b29cac74b57e1de2ff ]
+
There are two function that call sfc_rx_qfini():
sfc_rx_fini_queues() and sfc_rx_queue_release(). But only
sfc_rx_queue_release() sets rx_queues pointer of the device data to NULL.
@@ -13,7 +15,6 @@
Move NULL assignment to sfc_rx_qfini().
Fixes: ce35b05c635e ("net/sfc: implement Rx queue setup release operations")
-Cc: stable at dpdk.org
Signed-off-by: Igor Romanov <igor.romanov at oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybchenko at solarflare.com>
@@ -23,10 +24,10 @@
2 files changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/net/sfc/sfc_ethdev.c b/drivers/net/sfc/sfc_ethdev.c
-index 435bde67f..23778c9f3 100644
+index 1b160b5e9..ba08d615a 100644
--- a/drivers/net/sfc/sfc_ethdev.c
+++ b/drivers/net/sfc/sfc_ethdev.c
-@@ -444,8 +444,6 @@ sfc_rx_queue_release(void *queue)
+@@ -458,8 +458,6 @@ sfc_rx_queue_release(void *queue)
sfc_log_init(sa, "RxQ=%u", sw_index);
@@ -36,10 +37,10 @@
sfc_adapter_unlock(sa);
diff --git a/drivers/net/sfc/sfc_rx.c b/drivers/net/sfc/sfc_rx.c
-index 338184dda..58c57acfe 100644
+index 8fc93d682..4497d5f48 100644
--- a/drivers/net/sfc/sfc_rx.c
+++ b/drivers/net/sfc/sfc_rx.c
-@@ -1103,6 +1103,7 @@ sfc_rx_qfini(struct sfc_adapter *sa, unsigned int sw_index)
+@@ -1028,6 +1028,7 @@ sfc_rx_qfini(struct sfc_adapter *sa, unsigned int sw_index)
struct sfc_rxq *rxq;
SFC_ASSERT(sw_index < sa->rxq_count);
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