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team: remove synchronize_rcu() called during port disable

Browse source 
Check the unlikely case of team->en_port_count == 0 before modulo
operation.

Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko 2013-06-10 17:42:25 +02:00 • committed by David S. Miller
commit 735d381fa5
4 changed files with 18 additions and 18 deletions
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10
include/linux/if_team.h
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@ -229,6 +229,16 @@ static inline struct team_port *team_get_port_by_index(struct team *team,
return port;
return NULL;
}
static inline int team_num_to_port_index(struct team *team, int num)
{
int en_port_count = ACCESS_ONCE(team->en_port_count);
if (unlikely(!en_port_count))
return 0;
return num % en_port_count;
}
static inline struct team_port *team_get_port_by_index_rcu(struct team *team,
int port_index)
{