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-rw-r--r--net/tls/tls_device.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/net/tls/tls_device.c b/net/tls/tls_device.c
index ca54a7c7ec81..aa33e4accc32 100644
--- a/net/tls/tls_device.c
+++ b/net/tls/tls_device.c
@@ -553,8 +553,8 @@ void tls_device_write_space(struct sock *sk, struct tls_context *ctx)
void handle_device_resync(struct sock *sk, u32 seq, u64 rcd_sn)
{
struct tls_context *tls_ctx = tls_get_ctx(sk);
- struct net_device *netdev = tls_ctx->netdev;
struct tls_offload_context_rx *rx_ctx;
+ struct net_device *netdev;
u32 is_req_pending;
s64 resync_req;
u32 req_seq;
@@ -568,10 +568,15 @@ void handle_device_resync(struct sock *sk, u32 seq, u64 rcd_sn)
is_req_pending = resync_req;
if (unlikely(is_req_pending) && req_seq == seq &&
- atomic64_try_cmpxchg(&rx_ctx->resync_req, &resync_req, 0))
- netdev->tlsdev_ops->tls_dev_resync_rx(netdev, sk,
- seq + TLS_HEADER_SIZE - 1,
- rcd_sn);
+ atomic64_try_cmpxchg(&rx_ctx->resync_req, &resync_req, 0)) {
+ seq += TLS_HEADER_SIZE - 1;
+ down_read(&device_offload_lock);
+ netdev = tls_ctx->netdev;
+ if (netdev)
+ netdev->tlsdev_ops->tls_dev_resync_rx(netdev, sk, seq,
+ rcd_sn);
+ up_read(&device_offload_lock);
+ }
}
static int tls_device_reencrypt(struct sock *sk, struct sk_buff *skb)