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authorThomas Gleixner <tglx@linutronix.de>2017-02-16 19:51:27 +0100
committerThomas Gleixner <tglx@linutronix.de>2017-02-16 19:51:27 +0100
commit5b1ad68f9b1951ef78312d2935906cc8a8bd2e12 (patch)
treee81b71c961e885cef0d3992e083acec845166870 /drivers/net/macvtap.c
parent1013fe32a63d1139b1b32049ea46c0c462738d8b (diff)
parent7089db84e356562f8ba737c29e472cc42d530dbc (diff)
Merge branch 'linus' into x86/mm
Make sure to get the latest fixes before applying the ptdump enhancements.
Diffstat (limited to 'drivers/net/macvtap.c')
-rw-r--r--drivers/net/macvtap.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c
index 402618565838..c27011bbe30c 100644
--- a/drivers/net/macvtap.c
+++ b/drivers/net/macvtap.c
@@ -681,7 +681,7 @@ static ssize_t macvtap_get_user(struct macvtap_queue *q, struct msghdr *m,
size_t linear;
if (q->flags & IFF_VNET_HDR) {
- vnet_hdr_len = q->vnet_hdr_sz;
+ vnet_hdr_len = READ_ONCE(q->vnet_hdr_sz);
err = -EINVAL;
if (len < vnet_hdr_len)
@@ -820,7 +820,7 @@ static ssize_t macvtap_put_user(struct macvtap_queue *q,
if (q->flags & IFF_VNET_HDR) {
struct virtio_net_hdr vnet_hdr;
- vnet_hdr_len = q->vnet_hdr_sz;
+ vnet_hdr_len = READ_ONCE(q->vnet_hdr_sz);
if (iov_iter_count(iter) < vnet_hdr_len)
return -EINVAL;