aboutsummaryrefslogtreecommitdiff
path: root/net
diff options
context:
space:
mode:
Diffstat (limited to 'net')
-rw-r--r--net/ceph/crush/mapper.c11
-rw-r--r--net/ceph/crypto.c3
-rw-r--r--net/ceph/osd_client.c21
-rw-r--r--net/core/rtnetlink.c2
-rw-r--r--net/decnet/netfilter/dn_rtmsg.c2
-rw-r--r--net/ipv4/netfilter/ip_queue.c2
-rw-r--r--net/ipv6/netfilter/ip6_queue.c2
-rw-r--r--net/netfilter/nfnetlink.c2
-rw-r--r--net/netlink/genetlink.c2
-rw-r--r--net/sunrpc/cache.c2
-rw-r--r--net/sunrpc/svc.c25
-rw-r--r--net/sunrpc/svc_xprt.c62
-rw-r--r--net/sunrpc/svcsock.c8
-rw-r--r--net/sunrpc/xprtrdma/svc_rdma_transport.c2
-rw-r--r--net/xfrm/xfrm_user.c2
15 files changed, 86 insertions, 62 deletions
diff --git a/net/ceph/crush/mapper.c b/net/ceph/crush/mapper.c
index 3a94eae7abe9..b79747c4b645 100644
--- a/net/ceph/crush/mapper.c
+++ b/net/ceph/crush/mapper.c
@@ -510,10 +510,15 @@ int crush_do_rule(struct crush_map *map,
switch (rule->steps[step].op) {
case CRUSH_RULE_TAKE:
w[0] = rule->steps[step].arg1;
- if (force_pos >= 0) {
- BUG_ON(force_context[force_pos] != w[0]);
+
+ /* find position in force_context/hierarchy */
+ while (force_pos >= 0 &&
+ force_context[force_pos] != w[0])
force_pos--;
- }
+ /* and move past it */
+ if (force_pos >= 0)
+ force_pos--;
+
wsize = 1;
break;
diff --git a/net/ceph/crypto.c b/net/ceph/crypto.c
index 85f3bc0a7062..b780cb7947dd 100644
--- a/net/ceph/crypto.c
+++ b/net/ceph/crypto.c
@@ -15,10 +15,9 @@ int ceph_crypto_key_clone(struct ceph_crypto_key *dst,
const struct ceph_crypto_key *src)
{
memcpy(dst, src, sizeof(struct ceph_crypto_key));
- dst->key = kmalloc(src->len, GFP_NOFS);
+ dst->key = kmemdup(src->key, src->len, GFP_NOFS);
if (!dst->key)
return -ENOMEM;
- memcpy(dst->key, src->key, src->len);
return 0;
}
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index f4f3f58f5234..5e254055c910 100644
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -29,8 +29,8 @@ static void __register_request(struct ceph_osd_client *osdc,
struct ceph_osd_request *req);
static void __unregister_linger_request(struct ceph_osd_client *osdc,
struct ceph_osd_request *req);
-static int __send_request(struct ceph_osd_client *osdc,
- struct ceph_osd_request *req);
+static void __send_request(struct ceph_osd_client *osdc,
+ struct ceph_osd_request *req);
static int op_needs_trail(int op)
{
@@ -1022,8 +1022,8 @@ out:
/*
* caller should hold map_sem (for read) and request_mutex
*/
-static int __send_request(struct ceph_osd_client *osdc,
- struct ceph_osd_request *req)
+static void __send_request(struct ceph_osd_client *osdc,
+ struct ceph_osd_request *req)
{
struct ceph_osd_request_head *reqhead;
@@ -1041,7 +1041,6 @@ static int __send_request(struct ceph_osd_client *osdc,
ceph_msg_get(req->r_request); /* send consumes a ref */
ceph_con_send(&req->r_osd->o_con, req->r_request);
req->r_sent = req->r_osd->o_incarnation;
- return 0;
}
/*
@@ -1726,17 +1725,9 @@ int ceph_osdc_start_request(struct ceph_osd_client *osdc,
dout("send_request %p no up osds in pg\n", req);
ceph_monc_request_next_osdmap(&osdc->client->monc);
} else {
- rc = __send_request(osdc, req);
- if (rc) {
- if (nofail) {
- dout("osdc_start_request failed send, "
- " will retry %lld\n", req->r_tid);
- rc = 0;
- } else {
- __unregister_request(osdc, req);
- }
- }
+ __send_request(osdc, req);
}
+ rc = 0;
}
out_unlock:
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index dbf2ddafd52d..f16444bc6cbb 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -1960,7 +1960,7 @@ static int rtnetlink_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
sz_idx = type>>2;
kind = type&3;
- if (kind != 2 && security_netlink_recv(skb, CAP_NET_ADMIN))
+ if (kind != 2 && !capable(CAP_NET_ADMIN))
return -EPERM;
if (kind == 2 && nlh->nlmsg_flags&NLM_F_DUMP) {
diff --git a/net/decnet/netfilter/dn_rtmsg.c b/net/decnet/netfilter/dn_rtmsg.c
index 69975e0bcdea..1531135130db 100644
--- a/net/decnet/netfilter/dn_rtmsg.c
+++ b/net/decnet/netfilter/dn_rtmsg.c
@@ -108,7 +108,7 @@ static inline void dnrmg_receive_user_skb(struct sk_buff *skb)
if (nlh->nlmsg_len < sizeof(*nlh) || skb->len < nlh->nlmsg_len)
return;
- if (security_netlink_recv(skb, CAP_NET_ADMIN))
+ if (!capable(CAP_NET_ADMIN))
RCV_SKB_FAIL(-EPERM);
/* Eventually we might send routing messages too */
diff --git a/net/ipv4/netfilter/ip_queue.c b/net/ipv4/netfilter/ip_queue.c
index a057fe64debd..94d45e1f8882 100644
--- a/net/ipv4/netfilter/ip_queue.c
+++ b/net/ipv4/netfilter/ip_queue.c
@@ -431,7 +431,7 @@ __ipq_rcv_skb(struct sk_buff *skb)
if (type <= IPQM_BASE)
return;
- if (security_netlink_recv(skb, CAP_NET_ADMIN))
+ if (!capable(CAP_NET_ADMIN))
RCV_SKB_FAIL(-EPERM);
spin_lock_bh(&queue_lock);
diff --git a/net/ipv6/netfilter/ip6_queue.c b/net/ipv6/netfilter/ip6_queue.c
index fb80a23c6640..a34c9e4c792c 100644
--- a/net/ipv6/netfilter/ip6_queue.c
+++ b/net/ipv6/netfilter/ip6_queue.c
@@ -432,7 +432,7 @@ __ipq_rcv_skb(struct sk_buff *skb)
if (type <= IPQM_BASE)
return;
- if (security_netlink_recv(skb, CAP_NET_ADMIN))
+ if (!capable(CAP_NET_ADMIN))
RCV_SKB_FAIL(-EPERM);
spin_lock_bh(&queue_lock);
diff --git a/net/netfilter/nfnetlink.c b/net/netfilter/nfnetlink.c
index b4f8d849480c..4d70785b953d 100644
--- a/net/netfilter/nfnetlink.c
+++ b/net/netfilter/nfnetlink.c
@@ -130,7 +130,7 @@ static int nfnetlink_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
const struct nfnetlink_subsystem *ss;
int type, err;
- if (security_netlink_recv(skb, CAP_NET_ADMIN))
+ if (!capable(CAP_NET_ADMIN))
return -EPERM;
/* All the messages must at least contain nfgenmsg */
diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c
index a403b618faa5..c29d2568c9e0 100644
--- a/net/netlink/genetlink.c
+++ b/net/netlink/genetlink.c
@@ -524,7 +524,7 @@ static int genl_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
return -EOPNOTSUPP;
if ((ops->flags & GENL_ADMIN_PERM) &&
- security_netlink_recv(skb, CAP_NET_ADMIN))
+ !capable(CAP_NET_ADMIN))
return -EPERM;
if (nlh->nlmsg_flags & NLM_F_DUMP) {
diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c
index 03b56bc3b659..465df9ae1046 100644
--- a/net/sunrpc/cache.c
+++ b/net/sunrpc/cache.c
@@ -1641,6 +1641,7 @@ int cache_register_net(struct cache_detail *cd, struct net *net)
sunrpc_destroy_cache_detail(cd);
return ret;
}
+EXPORT_SYMBOL_GPL(cache_register_net);
int cache_register(struct cache_detail *cd)
{
@@ -1653,6 +1654,7 @@ void cache_unregister_net(struct cache_detail *cd, struct net *net)
remove_cache_proc_entries(cd, net);
sunrpc_destroy_cache_detail(cd);
}
+EXPORT_SYMBOL_GPL(cache_unregister_net);
void cache_unregister(struct cache_detail *cd)
{
diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c
index 9d01d46b05f3..e4aabc02368b 100644
--- a/net/sunrpc/svc.c
+++ b/net/sunrpc/svc.c
@@ -167,6 +167,7 @@ svc_pool_map_alloc_arrays(struct svc_pool_map *m, unsigned int maxpools)
fail_free:
kfree(m->to_pool);
+ m->to_pool = NULL;
fail:
return -ENOMEM;
}
@@ -285,9 +286,10 @@ svc_pool_map_put(void)
mutex_lock(&svc_pool_map_mutex);
if (!--m->count) {
- m->mode = SVC_POOL_DEFAULT;
kfree(m->to_pool);
+ m->to_pool = NULL;
kfree(m->pool_to);
+ m->pool_to = NULL;
m->npools = 0;
}
@@ -527,17 +529,20 @@ svc_destroy(struct svc_serv *serv)
printk("svc_destroy: no threads for serv=%p!\n", serv);
del_timer_sync(&serv->sv_temptimer);
-
- svc_close_all(&serv->sv_tempsocks);
+ /*
+ * The set of xprts (contained in the sv_tempsocks and
+ * sv_permsocks lists) is now constant, since it is modified
+ * only by accepting new sockets (done by service threads in
+ * svc_recv) or aging old ones (done by sv_temptimer), or
+ * configuration changes (excluded by whatever locking the
+ * caller is using--nfsd_mutex in the case of nfsd). So it's
+ * safe to traverse those lists and shut everything down:
+ */
+ svc_close_all(serv);
if (serv->sv_shutdown)
serv->sv_shutdown(serv);
- svc_close_all(&serv->sv_permsocks);
-
- BUG_ON(!list_empty(&serv->sv_permsocks));
- BUG_ON(!list_empty(&serv->sv_tempsocks));
-
cache_clean_deferred(serv);
if (svc_serv_is_pooled(serv))
@@ -683,8 +688,8 @@ found_pool:
* Create or destroy enough new threads to make the number
* of threads the given number. If `pool' is non-NULL, applies
* only to threads in that pool, otherwise round-robins between
- * all pools. Must be called with a svc_get() reference and
- * the BKL or another lock to protect access to svc_serv fields.
+ * all pools. Caller must ensure that mutual exclusion between this and
+ * server startup or shutdown.
*
* Destroying threads relies on the service threads filling in
* rqstp->rq_task, which only the nfs ones do. Assumes the serv
diff --git a/net/sunrpc/svc_xprt.c b/net/sunrpc/svc_xprt.c
index 38649cfa4e81..74cb0d8e9ca1 100644
--- a/net/sunrpc/svc_xprt.c
+++ b/net/sunrpc/svc_xprt.c
@@ -22,6 +22,7 @@ static struct svc_deferred_req *svc_deferred_dequeue(struct svc_xprt *xprt);
static int svc_deferred_recv(struct svc_rqst *rqstp);
static struct cache_deferred_req *svc_defer(struct cache_req *req);
static void svc_age_temp_xprts(unsigned long closure);
+static void svc_delete_xprt(struct svc_xprt *xprt);
/* apparently the "standard" is that clients close
* idle connections after 5 minutes, servers after
@@ -147,8 +148,8 @@ EXPORT_SYMBOL_GPL(svc_xprt_put);
* Called by transport drivers to initialize the transport independent
* portion of the transport instance.
*/
-void svc_xprt_init(struct svc_xprt_class *xcl, struct svc_xprt *xprt,
- struct svc_serv *serv)
+void svc_xprt_init(struct net *net, struct svc_xprt_class *xcl,
+ struct svc_xprt *xprt, struct svc_serv *serv)
{
memset(xprt, 0, sizeof(*xprt));
xprt->xpt_class = xcl;
@@ -163,7 +164,7 @@ void svc_xprt_init(struct svc_xprt_class *xcl, struct svc_xprt *xprt,
spin_lock_init(&xprt->xpt_lock);
set_bit(XPT_BUSY, &xprt->xpt_flags);
rpc_init_wait_queue(&xprt->xpt_bc_pending, "xpt_bc_pending");
- xprt->xpt_net = get_net(&init_net);
+ xprt->xpt_net = get_net(net);
}
EXPORT_SYMBOL_GPL(svc_xprt_init);
@@ -878,7 +879,7 @@ static void call_xpt_users(struct svc_xprt *xprt)
/*
* Remove a dead transport
*/
-void svc_delete_xprt(struct svc_xprt *xprt)
+static void svc_delete_xprt(struct svc_xprt *xprt)
{
struct svc_serv *serv = xprt->xpt_server;
struct svc_deferred_req *dr;
@@ -893,14 +894,7 @@ void svc_delete_xprt(struct svc_xprt *xprt)
spin_lock_bh(&serv->sv_lock);
if (!test_and_set_bit(XPT_DETACHED, &xprt->xpt_flags))
list_del_init(&xprt->xpt_list);
- /*
- * The only time we're called while xpt_ready is still on a list
- * is while the list itself is about to be destroyed (in
- * svc_destroy). BUT svc_xprt_enqueue could still be attempting
- * to add new entries to the sp_sockets list, so we can't leave
- * a freed xprt on it.
- */
- list_del_init(&xprt->xpt_ready);
+ BUG_ON(!list_empty(&xprt->xpt_ready));
if (test_bit(XPT_TEMP, &xprt->xpt_flags))
serv->sv_tmpcnt--;
spin_unlock_bh(&serv->sv_lock);
@@ -928,22 +922,48 @@ void svc_close_xprt(struct svc_xprt *xprt)
}
EXPORT_SYMBOL_GPL(svc_close_xprt);
-void svc_close_all(struct list_head *xprt_list)
+static void svc_close_list(struct list_head *xprt_list)
+{
+ struct svc_xprt *xprt;
+
+ list_for_each_entry(xprt, xprt_list, xpt_list) {
+ set_bit(XPT_CLOSE, &xprt->xpt_flags);
+ set_bit(XPT_BUSY, &xprt->xpt_flags);
+ }
+}
+
+void svc_close_all(struct svc_serv *serv)
{
+ struct svc_pool *pool;
struct svc_xprt *xprt;
struct svc_xprt *tmp;
+ int i;
+
+ svc_close_list(&serv->sv_tempsocks);
+ svc_close_list(&serv->sv_permsocks);
+ for (i = 0; i < serv->sv_nrpools; i++) {
+ pool = &serv->sv_pools[i];
+
+ spin_lock_bh(&pool->sp_lock);
+ while (!list_empty(&pool->sp_sockets)) {
+ xprt = list_first_entry(&pool->sp_sockets, struct svc_xprt, xpt_ready);
+ list_del_init(&xprt->xpt_ready);
+ }
+ spin_unlock_bh(&pool->sp_lock);
+ }
/*
- * The server is shutting down, and no more threads are running.
- * svc_xprt_enqueue() might still be running, but at worst it
- * will re-add the xprt to sp_sockets, which will soon get
- * freed. So we don't bother with any more locking, and don't
- * leave the close to the (nonexistent) server threads:
+ * At this point the sp_sockets lists will stay empty, since
+ * svc_enqueue will not add new entries without taking the
+ * sp_lock and checking XPT_BUSY.
*/
- list_for_each_entry_safe(xprt, tmp, xprt_list, xpt_list) {
- set_bit(XPT_CLOSE, &xprt->xpt_flags);
+ list_for_each_entry_safe(xprt, tmp, &serv->sv_tempsocks, xpt_list)
svc_delete_xprt(xprt);
- }
+ list_for_each_entry_safe(xprt, tmp, &serv->sv_permsocks, xpt_list)
+ svc_delete_xprt(xprt);
+
+ BUG_ON(!list_empty(&serv->sv_permsocks));
+ BUG_ON(!list_empty(&serv->sv_tempsocks));
}
/*
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index 4653286fcc9e..464570906f80 100644
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -739,7 +739,8 @@ static void svc_udp_init(struct svc_sock *svsk, struct svc_serv *serv)
{
int err, level, optname, one = 1;
- svc_xprt_init(&svc_udp_class, &svsk->sk_xprt, serv);
+ svc_xprt_init(sock_net(svsk->sk_sock->sk), &svc_udp_class,
+ &svsk->sk_xprt, serv);
clear_bit(XPT_CACHE_AUTH, &svsk->sk_xprt.xpt_flags);
svsk->sk_sk->sk_data_ready = svc_udp_data_ready;
svsk->sk_sk->sk_write_space = svc_write_space;
@@ -1343,7 +1344,8 @@ static void svc_tcp_init(struct svc_sock *svsk, struct svc_serv *serv)
{
struct sock *sk = svsk->sk_sk;
- svc_xprt_init(&svc_tcp_class, &svsk->sk_xprt, serv);
+ svc_xprt_init(sock_net(svsk->sk_sock->sk), &svc_tcp_class,
+ &svsk->sk_xprt, serv);
set_bit(XPT_CACHE_AUTH, &svsk->sk_xprt.xpt_flags);
if (sk->sk_state == TCP_LISTEN) {
dprintk("setting up TCP socket for listening\n");
@@ -1659,7 +1661,7 @@ static struct svc_xprt *svc_bc_create_socket(struct svc_serv *serv,
return ERR_PTR(-ENOMEM);
xprt = &svsk->sk_xprt;
- svc_xprt_init(&svc_tcp_bc_class, xprt, serv);
+ svc_xprt_init(net, &svc_tcp_bc_class, xprt, serv);
serv->sv_bc_xprt = xprt;
diff --git a/net/sunrpc/xprtrdma/svc_rdma_transport.c b/net/sunrpc/xprtrdma/svc_rdma_transport.c
index ba1296d88de0..894cb42db91d 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_transport.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_transport.c
@@ -453,7 +453,7 @@ static struct svcxprt_rdma *rdma_create_xprt(struct svc_serv *serv,
if (!cma_xprt)
return NULL;
- svc_xprt_init(&svc_rdma_class, &cma_xprt->sc_xprt, serv);
+ svc_xprt_init(&init_net, &svc_rdma_class, &cma_xprt->sc_xprt, serv);
INIT_LIST_HEAD(&cma_xprt->sc_accept_q);
INIT_LIST_HEAD(&cma_xprt->sc_dto_q);
INIT_LIST_HEAD(&cma_xprt->sc_rq_dto_q);
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index 637f11a1e4df..66b84fbf2746 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -2290,7 +2290,7 @@ static int xfrm_user_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
link = &xfrm_dispatch[type];
/* All operations require privileges, even GET */
- if (security_netlink_recv(skb, CAP_NET_ADMIN))
+ if (!capable(CAP_NET_ADMIN))
return -EPERM;
if ((type == (XFRM_MSG_GETSA - XFRM_MSG_BASE) ||
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-23 08:51:33 +0000