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Diffstat (limited to 'net/ipv4/fib_rules.c')
-rw-r--r--net/ipv4/fib_rules.c22
1 files changed, 10 insertions, 12 deletions
diff --git a/net/ipv4/fib_rules.c b/net/ipv4/fib_rules.c
index 8f7bd56955b0..d3db718be51d 100644
--- a/net/ipv4/fib_rules.c
+++ b/net/ipv4/fib_rules.c
@@ -81,27 +81,25 @@ static int fib4_rule_action(struct fib_rule *rule, struct flowi *flp,
break;
case FR_ACT_UNREACHABLE:
- err = -ENETUNREACH;
- goto errout;
+ return -ENETUNREACH;
case FR_ACT_PROHIBIT:
- err = -EACCES;
- goto errout;
+ return -EACCES;
case FR_ACT_BLACKHOLE:
default:
- err = -EINVAL;
- goto errout;
+ return -EINVAL;
}
+ rcu_read_lock();
+
tbl = fib_get_table(rule->fr_net, rule->table);
- if (!tbl)
- goto errout;
+ if (tbl)
+ err = fib_table_lookup(tbl, &flp->u.ip4,
+ (struct fib_result *)arg->result,
+ arg->flags);
- err = fib_table_lookup(tbl, &flp->u.ip4, (struct fib_result *) arg->result, arg->flags);
- if (err > 0)
- err = -EAGAIN;
-errout:
+ rcu_read_unlock();
return err;
}