diff options
Diffstat (limited to 'net/core/gro_cells.c')
| -rw-r--r-- | net/core/gro_cells.c | 7 | 
1 files changed, 6 insertions, 1 deletions
| diff --git a/net/core/gro_cells.c b/net/core/gro_cells.c index e095fb871d91..6eb2e5ec2c50 100644 --- a/net/core/gro_cells.c +++ b/net/core/gro_cells.c @@ -99,9 +99,14 @@ void gro_cells_destroy(struct gro_cells *gcells)  		struct gro_cell *cell = per_cpu_ptr(gcells->cells, i);  		napi_disable(&cell->napi); -		netif_napi_del(&cell->napi); +		__netif_napi_del(&cell->napi);  		__skb_queue_purge(&cell->napi_skbs);  	} +	/* This barrier is needed because netpoll could access dev->napi_list +	 * under rcu protection. +	 */ +	synchronize_net(); +  	free_percpu(gcells->cells);  	gcells->cells = NULL;  } | 
