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| author | Ingo Molnar <mingo@kernel.org> | 2020-11-27 11:09:57 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2020-11-27 11:10:50 +0100 |
| commit | a787bdaff83a085288b6fc607afb4bb648da3cc9 (patch) | |
| tree | ec389c1494ef4790ea90f65c4f86e523caf325d0 /net/xfrm/xfrm_state.c | |
| parent | 2914b0ba61a9d253535e51af16c7122a8148995d (diff) | |
| parent | 85a2c56cb4454c73f56d3099d96942e7919b292f (diff) | |
| download | linux-a787bdaff83a085288b6fc607afb4bb648da3cc9.tar.gz linux-a787bdaff83a085288b6fc607afb4bb648da3cc9.tar.bz2 linux-a787bdaff83a085288b6fc607afb4bb648da3cc9.zip | |
Merge branch 'linus' into sched/core, to resolve semantic conflict
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'net/xfrm/xfrm_state.c')
| -rw-r--r-- | net/xfrm/xfrm_state.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c index bbd4643d7e82..a77da7aae6fe 100644 --- a/net/xfrm/xfrm_state.c +++ b/net/xfrm/xfrm_state.c @@ -2004,6 +2004,7 @@ int xfrm_alloc_spi(struct xfrm_state *x, u32 low, u32 high) int err = -ENOENT; __be32 minspi = htonl(low); __be32 maxspi = htonl(high); + __be32 newspi = 0; u32 mark = x->mark.v & x->mark.m; spin_lock_bh(&x->lock); @@ -2022,21 +2023,22 @@ int xfrm_alloc_spi(struct xfrm_state *x, u32 low, u32 high) xfrm_state_put(x0); goto unlock; } - x->id.spi = minspi; + newspi = minspi; } else { u32 spi = 0; for (h = 0; h < high-low+1; h++) { spi = low + prandom_u32()%(high-low+1); x0 = xfrm_state_lookup(net, mark, &x->id.daddr, htonl(spi), x->id.proto, x->props.family); if (x0 == NULL) { - x->id.spi = htonl(spi); + newspi = htonl(spi); break; } xfrm_state_put(x0); } } - if (x->id.spi) { + if (newspi) { spin_lock_bh(&net->xfrm.xfrm_state_lock); + x->id.spi = newspi; h = xfrm_spi_hash(net, &x->id.daddr, x->id.spi, x->id.proto, x->props.family); hlist_add_head_rcu(&x->byspi, net->xfrm.state_byspi + h); spin_unlock_bh(&net->xfrm.xfrm_state_lock); |