xps: add __rcu annotations

Avoid sparse warnings : add __rcu annotations and use
rcu_dereference_protected() where necessary.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Tom Herbert <therbert@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet
2010-11-28 21:43:02 +00:00
committed by David S. Miller
parent b02038a17b
commit a417786948
2 changed files with 17 additions and 11 deletions

View File

@@ -622,7 +622,7 @@ struct xps_map {
*/
struct xps_dev_maps {
struct rcu_head rcu;
struct xps_map *cpu_map[0];
struct xps_map __rcu *cpu_map[0];
};
#define XPS_DEV_MAPS_SIZE (sizeof(struct xps_dev_maps) + \
(nr_cpu_ids * sizeof(struct xps_map *)))
@@ -1049,7 +1049,7 @@ struct net_device {
spinlock_t tx_global_lock;
#ifdef CONFIG_XPS
struct xps_dev_maps *xps_maps;
struct xps_dev_maps __rcu *xps_maps;
#endif
/* These may be needed for future network-power-down code. */