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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-01-21 19:36:59 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-01-21 19:36:59 +0100
commitdd7d99dc688d0fc448976f52f8517fbdeccdccda (patch)
tree4ad59de5d584cf03e772ee153260c24ba0d717bd /mm/slab_common.c
parent42bbdd99221bac206dde2b5e87098177fcd2a48e (diff)
parentdef9d2780727cec3313ed3522d0123158d87224d (diff)
Merge 5.5-rc7 into usb-next
We need the USB fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'mm/slab_common.c')
-rw-r--r--mm/slab_common.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/mm/slab_common.c b/mm/slab_common.c
index f0ab6d4ceb4c..0d95ddea13b0 100644
--- a/mm/slab_common.c
+++ b/mm/slab_common.c
@@ -903,7 +903,8 @@ static void flush_memcg_workqueue(struct kmem_cache *s)
* deactivates the memcg kmem_caches through workqueue. Make sure all
* previous workitems on workqueue are processed.
*/
- flush_workqueue(memcg_kmem_cache_wq);
+ if (likely(memcg_kmem_cache_wq))
+ flush_workqueue(memcg_kmem_cache_wq);
/*
* If we're racing with children kmem_cache deactivation, it might