diff options
| author | Herbert Xu <herbert@gondor.apana.org.au> | 2007-12-12 10:36:59 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-01-28 14:57:21 -0800 |
| commit | 815f4e57e9fc67456624ecde0515a901368c78d2 (patch) | |
| tree | a93d4c3922d9711a6d29d909c8d79694c931e2a4 | |
| parent | 3f71c81ac37b27b824e9ce18fe17438dc2af4a16 (diff) | |
[IPSEC]: Make xfrm_lookup flags argument a bit-field
This patch introduces an enum for bits in the flags argument of xfrm_lookup.
This is so that we can cram more information into it later.
Since all current users use just the values 0 and 1, XFRM_LOOKUP_WAIT has
been added with the value 1 << 0 to represent the current meaning of flags.
The test in __xfrm_lookup has been changed accordingly.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | include/net/dst.h | 5 | ||||
| -rw-r--r-- | net/xfrm/xfrm_policy.c | 2 |
2 files changed, 6 insertions, 1 deletions
diff --git a/include/net/dst.h b/include/net/dst.h index e86b9a008eb..aaa2dbb5017 100644 --- a/include/net/dst.h +++ b/include/net/dst.h @@ -265,6 +265,11 @@ static inline struct dst_entry *dst_check(struct dst_entry *dst, u32 cookie) extern void dst_init(void); +/* Flags for xfrm_lookup flags argument. */ +enum { + XFRM_LOOKUP_WAIT = 1 << 0, +}; + struct flowi; #ifndef CONFIG_XFRM static inline int xfrm_lookup(struct dst_entry **dst_p, struct flowi *fl, diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c index 95dc581861e..3d516d57b5b 100644 --- a/net/xfrm/xfrm_policy.c +++ b/net/xfrm/xfrm_policy.c @@ -1565,7 +1565,7 @@ restart: xfrm_pol_put(policy); return -EREMOTE; } - if (err == -EAGAIN && flags) { + if (err == -EAGAIN && (flags & XFRM_LOOKUP_WAIT)) { DECLARE_WAITQUEUE(wait, current); add_wait_queue(&km_waitq, &wait); |