drivers/net: remove some rcu sparse warnings

Add missing __rcu annotations and helpers.
minor : Fix some rcu_dereference() calls in macvtap

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/net/bnx2x/bnx2x_main.c b/drivers/net/bnx2x/bnx2x_main.c
index 8cdcf5b39d1e..a2a1bc43a1d2 100644
--- a/drivers/net/bnx2x/bnx2x_main.c
+++ b/drivers/net/bnx2x/bnx2x_main.c
@@ -9862,7 +9862,8 @@ static int bnx2x_cnic_ctl_send(struct bnx2x *bp, struct cnic_ctl_info *ctl)
         int rc = 0;
 
         mutex_lock(&bp->cnic_mutex);
-        c_ops = bp->cnic_ops;
+        c_ops = rcu_dereference_protected(bp->cnic_ops,
+                                          lockdep_is_held(&bp->cnic_mutex));
         if (c_ops)
                 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
         mutex_unlock(&bp->cnic_mutex);