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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-01-02 15:13:41 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-01-02 15:13:41 +0100
commit01f1918833e4817fdb0810306c021c5cbee775d3 (patch)
tree34a649c453d30fee1f1b564badb6e3dc210655c3 /net/sched/sch_generic.c
parent3df613ec12f71f00dad545a9df75573951e5c59f (diff)
parent30a7acd573899fd8b8ac39236eff6468b195ac7d (diff)
downloadlinux-01f1918833e4817fdb0810306c021c5cbee775d3.tar.gz
linux-01f1918833e4817fdb0810306c021c5cbee775d3.tar.xz
Merge 4.15.0-rc6 into usb-next
We want the USB fixes in here, and this resolves a merge issue with the vhci_rx.c file. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/sched/sch_generic.c')
-rw-r--r--net/sched/sch_generic.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
index cd1b200acae7..661c7144b53a 100644
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -1040,6 +1040,8 @@ void mini_qdisc_pair_swap(struct mini_Qdisc_pair *miniqp,
if (!tp_head) {
RCU_INIT_POINTER(*miniqp->p_miniq, NULL);
+ /* Wait for flying RCU callback before it is freed. */
+ rcu_barrier_bh();
return;
}
@@ -1055,7 +1057,7 @@ void mini_qdisc_pair_swap(struct mini_Qdisc_pair *miniqp,
rcu_assign_pointer(*miniqp->p_miniq, miniq);
if (miniq_old)
- /* This is counterpart of the rcu barrier above. We need to
+ /* This is counterpart of the rcu barriers above. We need to
* block potential new user of miniq_old until all readers
* are not seeing it.
*/