ndo_get_stats64() can race with ndo_stop(), which frees input and
output queue resources. Call synchornize_net() in ndo_stop()
to avoid such races.
Fixes: c3fad23cdc06 ("octeon_ep_vf: add support for ndo ops")
Signed-off-by: Shinas Rasheed <srasheed@marvell.com>
---
V2:
- Changed sync mechanism to fix race conditions from using an atomic
set_bit ops to a much simpler synchronize_net()
V1: https://lore.kernel.org/all/20241203072130.2316913-4-srasheed@marvell.com/
drivers/net/ethernet/marvell/octeon_ep_vf/octep_vf_main.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/net/ethernet/marvell/octeon_ep_vf/octep_vf_main.c b/drivers/net/ethernet/marvell/octeon_ep_vf/octep_vf_main.c
index 7e6771c9cdbb..e6253f85b623 100644
--- a/drivers/net/ethernet/marvell/octeon_ep_vf/octep_vf_main.c
+++ b/drivers/net/ethernet/marvell/octeon_ep_vf/octep_vf_main.c
@@ -523,6 +523,7 @@ static int octep_vf_stop(struct net_device *netdev)
{
struct octep_vf_device *oct = netdev_priv(netdev);
+ synchronize_rcu();
netdev_info(netdev, "Stopping the device ...\n");
/* Stop Tx from stack */
--
2.25.1