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xfrm_user: fix freeing of xfrm states on acquire

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Commit 565f0fa902 ("xfrm: use a dedicated slab cache for struct
xfrm_state") moved xfrm state objects to use their own slab cache.
However, it missed to adapt xfrm_user to use this new cache when
freeing xfrm states.

Fix this by introducing and make use of a new helper for freeing
xfrm_state objects.

Fixes: 565f0fa902 ("xfrm: use a dedicated slab cache for struct xfrm_state")
Reported-by: Pan Bian <bianpan2016@163.com>
Cc: <stable@vger.kernel.org> # v4.18+
Signed-off-by: Mathias Krause <minipli@googlemail.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
This commit is contained in:
Mathias Krause
2018-11-21 21:09:23 +01:00
committed by Steffen Klassert
parent 0152eee6fc
commit 4a135e5389
3 changed files with 10 additions and 3 deletions
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include/net/xfrm.h
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@@ -1552,6 +1552,7 @@ int xfrm_state_walk(struct net *net, struct xfrm_state_walk *walk,
int (*func)(struct xfrm_state *, int, void*), void *);
void xfrm_state_walk_done(struct xfrm_state_walk *walk, struct net *net);
struct xfrm_state *xfrm_state_alloc(struct net *net);
void xfrm_state_free(struct xfrm_state *x);
struct xfrm_state *xfrm_state_find(const xfrm_address_t *daddr,
const xfrm_address_t *saddr,
const struct flowi *fl,