diff options
| author |   Florian Westphal <fw@strlen.de> | 2019-03-29 21:16:22 +0100 |
|---|---|---|
| committer |   Steffen Klassert <steffen.klassert@secunet.com> | 2019-04-08 09:13:46 +0200 |
| commit | b262a69582a4676c7378a73077b7bb186c7c5b2a (patch) | |
| tree | 5c71243107e5f14023de503aeb2acd2214f01d25 /net/xfrm | |
| parent | vti4: eliminated some duplicate code. (diff) | |
| download | linux-dev-b262a69582a4676c7378a73077b7bb186c7c5b2a.tar.xz linux-dev-b262a69582a4676c7378a73077b7bb186c7c5b2a.zip | |
xfrm: place af number into xfrm_mode struct
This will be useful to know if we're supposed to decode ipv4 or ipv6.
While at it, make the unregister function return void, all module_exit
functions did just BUG(); there is never a point in doing error checks
if there is no way to handle such error.
Signed-off-by: Florian Westphal <fw@strlen.de>
Reviewed-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Diffstat (limited to 'net/xfrm')
| -rw-r--r-- | net/xfrm/xfrm_state.c | 19 |
1 files changed, 6 insertions, 13 deletions
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c index 1bb971f46fc6..c32394b59776 100644 --- a/net/xfrm/xfrm_state.c +++ b/net/xfrm/xfrm_state.c @@ -331,7 +331,7 @@ static void xfrm_put_type_offload(const struct xfrm_type_offload *type) } static DEFINE_SPINLOCK(xfrm_mode_lock); -int xfrm_register_mode(struct xfrm_mode *mode, int family) +int xfrm_register_mode(struct xfrm_mode *mode) { struct xfrm_state_afinfo *afinfo; struct xfrm_mode **modemap; @@ -340,7 +340,7 @@ int xfrm_register_mode(struct xfrm_mode *mode, int family) if (unlikely(mode->encap >= XFRM_MODE_MAX)) return -EINVAL; - afinfo = xfrm_state_get_afinfo(family); + afinfo = xfrm_state_get_afinfo(mode->family); if (unlikely(afinfo == NULL)) return -EAFNOSUPPORT; @@ -365,31 +365,24 @@ out: } EXPORT_SYMBOL(xfrm_register_mode); -int xfrm_unregister_mode(struct xfrm_mode *mode, int family) +void xfrm_unregister_mode(struct xfrm_mode *mode) { struct xfrm_state_afinfo *afinfo; struct xfrm_mode **modemap; - int err; - - if (unlikely(mode->encap >= XFRM_MODE_MAX)) - return -EINVAL; - afinfo = xfrm_state_get_afinfo(family); - if (unlikely(afinfo == NULL)) - return -EAFNOSUPPORT; + afinfo = xfrm_state_get_afinfo(mode->family); + if (WARN_ON_ONCE(!afinfo)) + return; - err = -ENOENT; modemap = afinfo->mode_map; spin_lock_bh(&xfrm_mode_lock); if (likely(modemap[mode->encap] == mode)) { modemap[mode->encap] = NULL; module_put(mode->afinfo->owner); - err = 0; } spin_unlock_bh(&xfrm_mode_lock); rcu_read_unlock(); - return err; } EXPORT_SYMBOL(xfrm_unregister_mode); |