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xfrm: Convert timers to use timer_setup()

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In preparation for unconditionally passing the struct timer_list pointer to
all timer callbacks, switch to using the new timer_setup() and from_timer()
helper to pass the timer pointer explicitly.

Cc: Steffen Klassert <steffen.klassert@secunet.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: netdev@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Kees Cook
2017-10-16 17:28:56 -07:00
committed by David S. Miller
parent 8e763de0b9
commit c3aed70953
1 changed files with 8 additions and 9 deletions
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17
net/xfrm/xfrm_policy.c
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@@ -57,7 +57,7 @@ static __read_mostly seqcount_t xfrm_policy_hash_generation;
static void xfrm_init_pmtu(struct dst_entry *dst); static void xfrm_init_pmtu(struct dst_entry *dst);
static int stale_bundle(struct dst_entry *dst); static int stale_bundle(struct dst_entry *dst);
static int xfrm_bundle_ok(struct xfrm_dst *xdst); static int xfrm_bundle_ok(struct xfrm_dst *xdst);
static void xfrm_policy_queue_process(unsigned long arg); static void xfrm_policy_queue_process(struct timer_list *t);
static void __xfrm_policy_link(struct xfrm_policy *pol, int dir); static void __xfrm_policy_link(struct xfrm_policy *pol, int dir);
static struct xfrm_policy *__xfrm_policy_unlink(struct xfrm_policy *pol, static struct xfrm_policy *__xfrm_policy_unlink(struct xfrm_policy *pol,
@@ -179,9 +179,9 @@ static inline unsigned long make_jiffies(long secs)
return secs*HZ; return secs*HZ;
} }
static void xfrm_policy_timer(unsigned long data) static void xfrm_policy_timer(struct timer_list *t)
{ {
struct xfrm_policy *xp = (struct xfrm_policy *)data; struct xfrm_policy *xp = from_timer(xp, t, timer);
unsigned long now = get_seconds(); unsigned long now = get_seconds();
long next = LONG_MAX; long next = LONG_MAX;
int warn = 0; int warn = 0;
@@ -267,10 +267,9 @@ struct xfrm_policy *xfrm_policy_alloc(struct net *net, gfp_t gfp)
rwlock_init(&policy->lock); rwlock_init(&policy->lock);
refcount_set(&policy->refcnt, 1); refcount_set(&policy->refcnt, 1);
skb_queue_head_init(&policy->polq.hold_queue); skb_queue_head_init(&policy->polq.hold_queue);
setup_timer(&policy->timer, xfrm_policy_timer, timer_setup(&policy->timer, xfrm_policy_timer, 0);
(unsigned long)policy); timer_setup(&policy->polq.hold_timer,
setup_timer(&policy->polq.hold_timer, xfrm_policy_queue_process, xfrm_policy_queue_process, 0);
(unsigned long)policy);
} }
return policy; return policy;
} }
@@ -1852,12 +1851,12 @@ xfrm_resolve_and_create_bundle(struct xfrm_policy **pols, int num_pols,
return xdst; return xdst;
} }
static void xfrm_policy_queue_process(unsigned long arg) static void xfrm_policy_queue_process(struct timer_list *t)
{ {
struct sk_buff *skb; struct sk_buff *skb;
struct sock *sk; struct sock *sk;
struct dst_entry *dst; struct dst_entry *dst;
struct xfrm_policy *pol = (struct xfrm_policy *)arg; struct xfrm_policy *pol = from_timer(pol, t, polq.hold_timer);
struct net *net = xp_net(pol); struct net *net = xp_net(pol);
struct xfrm_policy_queue *pq = &pol->polq; struct xfrm_policy_queue *pq = &pol->polq;
struct flowi fl; struct flowi fl;