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| author | David S. Miller <davem@davemloft.net> | 2011-01-28 14:05:05 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-01-28 14:05:05 -0800 |
| commit | 725d1e1b457dc2bbebb337677e73efe7c6d14da5 (patch) | |
| tree | b001a08feeff741963d8232ecb26e5c1a75efb92 /net/ipv4/fib_semantics.c | |
| parent | 9c150e82ac50a611237bbebd508d17f6347d577c (diff) | |
| download | linux-stable-725d1e1b457dc2bbebb337677e73efe7c6d14da5.tar.gz linux-stable-725d1e1b457dc2bbebb337677e73efe7c6d14da5.tar.bz2 linux-stable-725d1e1b457dc2bbebb337677e73efe7c6d14da5.zip | |
ipv4: Attach FIB info to dst_default_metrics when possible
If there are no explicit metrics attached to a route, hook
fi->fib_info up to dst_default_metrics.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/fib_semantics.c')
| -rw-r--r-- | net/ipv4/fib_semantics.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c index 363ec39228d3..48e93a560077 100644 --- a/net/ipv4/fib_semantics.c +++ b/net/ipv4/fib_semantics.c @@ -152,7 +152,8 @@ static void free_fib_info_rcu(struct rcu_head *head) { struct fib_info *fi = container_of(head, struct fib_info, rcu); - kfree(fi->fib_metrics); + if (fi->fib_metrics != (u32 *) dst_default_metrics) + kfree(fi->fib_metrics); kfree(fi); } @@ -743,9 +744,12 @@ struct fib_info *fib_create_info(struct fib_config *cfg) fi = kzalloc(sizeof(*fi)+nhs*sizeof(struct fib_nh), GFP_KERNEL); if (fi == NULL) goto failure; - fi->fib_metrics = kzalloc(sizeof(u32) * RTAX_MAX, GFP_KERNEL); - if (!fi->fib_metrics) - goto failure; + if (cfg->fc_mx) { + fi->fib_metrics = kzalloc(sizeof(u32) * RTAX_MAX, GFP_KERNEL); + if (!fi->fib_metrics) + goto failure; + } else + fi->fib_metrics = (u32 *) dst_default_metrics; fib_info_cnt++; fi->fib_net = hold_net(net); |