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authorJames Morris <james.morris@microsoft.com>2019-01-10 11:41:59 -0800
committerJames Morris <james.morris@microsoft.com>2019-01-10 11:41:59 -0800
commit49e41801b335f64610bbfd23e8f2bbaf34d46276 (patch)
tree4fbedacd1de1bbd4054f07f93031aebcb7b7a919 /include/linux/ptr_ring.h
parentb49d564344f773d8afee982153c8493e5f2eaf38 (diff)
parentbfeffd155283772bbe78c6a05dec7c0128ee500c (diff)
downloadtalos-op-linux-49e41801b335f64610bbfd23e8f2bbaf34d46276.tar.gz
talos-op-linux-49e41801b335f64610bbfd23e8f2bbaf34d46276.zip
Merge tag 'v5.0-rc1' into next-general
Linux 5.0-rc1 Sync to pick up LSM stacking work (which is based on -rc1).
Diffstat (limited to 'include/linux/ptr_ring.h')
-rw-r--r--include/linux/ptr_ring.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/ptr_ring.h b/include/linux/ptr_ring.h
index 6894976b54e3..186cd8e970c7 100644
--- a/include/linux/ptr_ring.h
+++ b/include/linux/ptr_ring.h
@@ -573,6 +573,8 @@ static inline void **__ptr_ring_swap_queue(struct ptr_ring *r, void **queue,
else if (destroy)
destroy(ptr);
+ if (producer >= size)
+ producer = 0;
__ptr_ring_set_size(r, size);
r->producer = producer;
r->consumer_head = 0;
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