summaryrefslogtreecommitdiffstats
path: root/net/sunrpc
diff options
context:
space:
mode:
Diffstat (limited to 'net/sunrpc')
-rw-r--r--net/sunrpc/addr.c8
-rw-r--r--net/sunrpc/auth_gss/auth_gss.c16
-rw-r--r--net/sunrpc/bc_svc.c15
-rw-r--r--net/sunrpc/clnt.c1
-rw-r--r--net/sunrpc/rpc_pipe.c11
-rw-r--r--net/sunrpc/svc.c6
-rw-r--r--net/sunrpc/svc_xprt.c27
-rw-r--r--net/sunrpc/svcauth_unix.c49
-rw-r--r--net/sunrpc/svcsock.c3
-rw-r--r--net/sunrpc/xprt.c22
-rw-r--r--net/sunrpc/xprtrdma/transport.c7
-rw-r--r--net/sunrpc/xprtsock.c29
12 files changed, 93 insertions, 101 deletions
diff --git a/net/sunrpc/addr.c b/net/sunrpc/addr.c
index 6dcdd251781..f845d9d72f7 100644
--- a/net/sunrpc/addr.c
+++ b/net/sunrpc/addr.c
@@ -71,8 +71,9 @@ static size_t rpc_ntop6(const struct sockaddr *sap,
if (unlikely(len == 0))
return len;
- if (!(ipv6_addr_type(&sin6->sin6_addr) & IPV6_ADDR_LINKLOCAL) &&
- !(ipv6_addr_type(&sin6->sin6_addr) & IPV6_ADDR_SITELOCAL))
+ if (!(ipv6_addr_type(&sin6->sin6_addr) & IPV6_ADDR_LINKLOCAL))
+ return len;
+ if (sin6->sin6_scope_id == 0)
return len;
rc = snprintf(scopebuf, sizeof(scopebuf), "%c%u",
@@ -165,8 +166,7 @@ static int rpc_parse_scope_id(const char *buf, const size_t buflen,
if (*delim != IPV6_SCOPE_DELIMITER)
return 0;
- if (!(ipv6_addr_type(&sin6->sin6_addr) & IPV6_ADDR_LINKLOCAL) &&
- !(ipv6_addr_type(&sin6->sin6_addr) & IPV6_ADDR_SITELOCAL))
+ if (!(ipv6_addr_type(&sin6->sin6_addr) & IPV6_ADDR_LINKLOCAL))
return 0;
len = (buf + buflen) - delim - 1;
diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c
index f7a7f8380e3..c389ccf6437 100644
--- a/net/sunrpc/auth_gss/auth_gss.c
+++ b/net/sunrpc/auth_gss/auth_gss.c
@@ -206,8 +206,14 @@ gss_fill_context(const void *p, const void *end, struct gss_cl_ctx *ctx, struct
ctx->gc_win = window_size;
/* gssd signals an error by passing ctx->gc_win = 0: */
if (ctx->gc_win == 0) {
- /* in which case, p points to an error code which we ignore */
- p = ERR_PTR(-EACCES);
+ /*
+ * in which case, p points to an error code. Anything other
+ * than -EKEYEXPIRED gets converted to -EACCES.
+ */
+ p = simple_get_bytes(p, end, &ret, sizeof(ret));
+ if (!IS_ERR(p))
+ p = (ret == -EKEYEXPIRED) ? ERR_PTR(-EKEYEXPIRED) :
+ ERR_PTR(-EACCES);
goto err;
}
/* copy the opaque wire context */
@@ -646,6 +652,7 @@ gss_pipe_downcall(struct file *filp, const char __user *src, size_t mlen)
err = PTR_ERR(p);
switch (err) {
case -EACCES:
+ case -EKEYEXPIRED:
gss_msg->msg.errno = err;
err = mlen;
break;
@@ -1273,9 +1280,8 @@ alloc_enc_pages(struct rpc_rqst *rqstp)
rqstp->rq_release_snd_buf = priv_release_snd_buf;
return 0;
out_free:
- for (i--; i >= 0; i--) {
- __free_page(rqstp->rq_enc_pages[i]);
- }
+ rqstp->rq_enc_pages_num = i;
+ priv_release_snd_buf(rqstp);
out:
return -EAGAIN;
}
diff --git a/net/sunrpc/bc_svc.c b/net/sunrpc/bc_svc.c
index 13f214f5312..f0c05d3311c 100644
--- a/net/sunrpc/bc_svc.c
+++ b/net/sunrpc/bc_svc.c
@@ -37,21 +37,6 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#define RPCDBG_FACILITY RPCDBG_SVCDSP
-void bc_release_request(struct rpc_task *task)
-{
- struct rpc_rqst *req = task->tk_rqstp;
-
- dprintk("RPC: bc_release_request: task= %p\n", task);
-
- /*
- * Release this request only if it's a backchannel
- * preallocated request
- */
- if (!bc_prealloc(req))
- return;
- xprt_free_bc_request(req);
-}
-
/* Empty callback ops */
static const struct rpc_call_ops nfs41_callback_ops = {
};
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index 154034b675b..19c9983d536 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -659,6 +659,7 @@ struct rpc_task *rpc_run_bc_task(struct rpc_rqst *req,
task = rpc_new_task(&task_setup_data);
if (!task) {
xprt_free_bc_request(req);
+ task = ERR_PTR(-ENOMEM);
goto out;
}
task->tk_rqstp = req;
diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
index 9ea45383480..20e30c6f835 100644
--- a/net/sunrpc/rpc_pipe.c
+++ b/net/sunrpc/rpc_pipe.c
@@ -587,6 +587,8 @@ static struct dentry *__rpc_lookup_create_exclusive(struct dentry *parent,
struct dentry *dentry;
dentry = __rpc_lookup_create(parent, name);
+ if (IS_ERR(dentry))
+ return dentry;
if (dentry->d_inode == NULL)
return dentry;
dput(dentry);
@@ -999,19 +1001,14 @@ rpc_fill_super(struct super_block *sb, void *data, int silent)
inode = rpc_get_inode(sb, S_IFDIR | 0755);
if (!inode)
return -ENOMEM;
- root = d_alloc_root(inode);
+ sb->s_root = root = d_alloc_root(inode);
if (!root) {
iput(inode);
return -ENOMEM;
}
if (rpc_populate(root, files, RPCAUTH_lockd, RPCAUTH_RootEOF, NULL))
- goto out;
- sb->s_root = root;
+ return -ENOMEM;
return 0;
-out:
- d_genocide(root);
- dput(root);
- return -ENOMEM;
}
static int
diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c
index 538ca433a56..8420a4205b7 100644
--- a/net/sunrpc/svc.c
+++ b/net/sunrpc/svc.c
@@ -133,7 +133,7 @@ svc_pool_map_choose_mode(void)
return SVC_POOL_PERNODE;
}
- node = any_online_node(node_online_map);
+ node = first_online_node;
if (nr_cpus_node(node) > 2) {
/*
* Non-trivial SMP, or CONFIG_NUMA on
@@ -506,6 +506,10 @@ svc_init_buffer(struct svc_rqst *rqstp, unsigned int size)
{
unsigned int pages, arghi;
+ /* bc_xprt uses fore channel allocated buffers */
+ if (svc_is_backchannel(rqstp))
+ return 1;
+
pages = size / PAGE_SIZE + 1; /* extra page as we hold both request and reply.
* We assume one is at most one page
*/
diff --git a/net/sunrpc/svc_xprt.c b/net/sunrpc/svc_xprt.c
index 7d1f9e928f6..8f0f1fb3dc5 100644
--- a/net/sunrpc/svc_xprt.c
+++ b/net/sunrpc/svc_xprt.c
@@ -173,11 +173,13 @@ static struct svc_xprt *__svc_xpo_create(struct svc_xprt_class *xcl,
.sin_addr.s_addr = htonl(INADDR_ANY),
.sin_port = htons(port),
};
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
struct sockaddr_in6 sin6 = {
.sin6_family = AF_INET6,
.sin6_addr = IN6ADDR_ANY_INIT,
.sin6_port = htons(port),
};
+#endif /* defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) */
struct sockaddr *sap;
size_t len;
@@ -186,10 +188,12 @@ static struct svc_xprt *__svc_xpo_create(struct svc_xprt_class *xcl,
sap = (struct sockaddr *)&sin;
len = sizeof(sin);
break;
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
case PF_INET6:
sap = (struct sockaddr *)&sin6;
len = sizeof(sin6);
break;
+#endif /* defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) */
default:
return ERR_PTR(-EAFNOSUPPORT);
}
@@ -231,7 +235,10 @@ int svc_create_xprt(struct svc_serv *serv, const char *xprt_name,
err:
spin_unlock(&svc_xprt_class_lock);
dprintk("svc: transport %s not found\n", xprt_name);
- return -ENOENT;
+
+ /* This errno is exposed to user space. Provide a reasonable
+ * perror msg for a bad transport. */
+ return -EPROTONOSUPPORT;
}
EXPORT_SYMBOL_GPL(svc_create_xprt);
@@ -699,8 +706,10 @@ int svc_recv(struct svc_rqst *rqstp, long timeout)
spin_unlock_bh(&pool->sp_lock);
len = 0;
- if (test_bit(XPT_LISTENER, &xprt->xpt_flags) &&
- !test_bit(XPT_CLOSE, &xprt->xpt_flags)) {
+ if (test_bit(XPT_CLOSE, &xprt->xpt_flags)) {
+ dprintk("svc_recv: found XPT_CLOSE\n");
+ svc_delete_xprt(xprt);
+ } else if (test_bit(XPT_LISTENER, &xprt->xpt_flags)) {
struct svc_xprt *newxpt;
newxpt = xprt->xpt_ops->xpo_accept(xprt);
if (newxpt) {
@@ -726,7 +735,7 @@ int svc_recv(struct svc_rqst *rqstp, long timeout)
svc_xprt_received(newxpt);
}
svc_xprt_received(xprt);
- } else if (!test_bit(XPT_CLOSE, &xprt->xpt_flags)) {
+ } else {
dprintk("svc: server %p, pool %u, transport %p, inuse=%d\n",
rqstp, pool->sp_id, xprt,
atomic_read(&xprt->xpt_ref.refcount));
@@ -739,11 +748,6 @@ int svc_recv(struct svc_rqst *rqstp, long timeout)
dprintk("svc: got len=%d\n", len);
}
- if (test_bit(XPT_CLOSE, &xprt->xpt_flags)) {
- dprintk("svc_recv: found XPT_CLOSE\n");
- svc_delete_xprt(xprt);
- }
-
/* No data, incomplete (TCP) read, or accept() */
if (len == 0 || len == -EAGAIN) {
rqstp->rq_res.len = 0;
@@ -889,11 +893,8 @@ void svc_delete_xprt(struct svc_xprt *xprt)
if (test_bit(XPT_TEMP, &xprt->xpt_flags))
serv->sv_tmpcnt--;
- for (dr = svc_deferred_dequeue(xprt); dr;
- dr = svc_deferred_dequeue(xprt)) {
- svc_xprt_put(xprt);
+ while ((dr = svc_deferred_dequeue(xprt)) != NULL)
kfree(dr);
- }
svc_xprt_put(xprt);
spin_unlock_bh(&serv->sv_lock);
diff --git a/net/sunrpc/svcauth_unix.c b/net/sunrpc/svcauth_unix.c
index d8c04111449..afdcb0459a8 100644
--- a/net/sunrpc/svcauth_unix.c
+++ b/net/sunrpc/svcauth_unix.c
@@ -15,6 +15,7 @@
#include <linux/kernel.h>
#define RPCDBG_FACILITY RPCDBG_AUTH
+#include <linux/sunrpc/clnt.h>
/*
* AUTHUNIX and AUTHNULL credentials are both handled here.
@@ -187,10 +188,13 @@ static int ip_map_parse(struct cache_detail *cd,
* for scratch: */
char *buf = mesg;
int len;
- int b1, b2, b3, b4, b5, b6, b7, b8;
- char c;
char class[8];
- struct in6_addr addr;
+ union {
+ struct sockaddr sa;
+ struct sockaddr_in s4;
+ struct sockaddr_in6 s6;
+ } address;
+ struct sockaddr_in6 sin6;
int err;
struct ip_map *ipmp;
@@ -209,24 +213,24 @@ static int ip_map_parse(struct cache_detail *cd,
len = qword_get(&mesg, buf, mlen);
if (len <= 0) return -EINVAL;
- if (sscanf(buf, "%u.%u.%u.%u%c", &b1, &b2, &b3, &b4, &c) == 4) {
- addr.s6_addr32[0] = 0;
- addr.s6_addr32[1] = 0;
- addr.s6_addr32[2] = htonl(0xffff);
- addr.s6_addr32[3] =
- htonl((((((b1<<8)|b2)<<8)|b3)<<8)|b4);
- } else if (sscanf(buf, "%04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x%c",
- &b1, &b2, &b3, &b4, &b5, &b6, &b7, &b8, &c) == 8) {
- addr.s6_addr16[0] = htons(b1);
- addr.s6_addr16[1] = htons(b2);
- addr.s6_addr16[2] = htons(b3);
- addr.s6_addr16[3] = htons(b4);
- addr.s6_addr16[4] = htons(b5);
- addr.s6_addr16[5] = htons(b6);
- addr.s6_addr16[6] = htons(b7);
- addr.s6_addr16[7] = htons(b8);
- } else
+ if (rpc_pton(buf, len, &address.sa, sizeof(address)) == 0)
return -EINVAL;
+ switch (address.sa.sa_family) {
+ case AF_INET:
+ /* Form a mapped IPv4 address in sin6 */
+ memset(&sin6, 0, sizeof(sin6));
+ sin6.sin6_family = AF_INET6;
+ sin6.sin6_addr.s6_addr32[2] = htonl(0xffff);
+ sin6.sin6_addr.s6_addr32[3] = address.s4.sin_addr.s_addr;
+ break;
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+ case AF_INET6:
+ memcpy(&sin6, &address.s6, sizeof(sin6));
+ break;
+#endif
+ default:
+ return -EINVAL;
+ }
expiry = get_expiry(&mesg);
if (expiry ==0)
@@ -243,7 +247,8 @@ static int ip_map_parse(struct cache_detail *cd,
} else
dom = NULL;
- ipmp = ip_map_lookup(class, &addr);
+ /* IPv6 scope IDs are ignored for now */
+ ipmp = ip_map_lookup(class, &sin6.sin6_addr);
if (ipmp) {
err = ip_map_update(ipmp,
container_of(dom, struct unix_domain, h),
@@ -619,7 +624,7 @@ static int unix_gid_show(struct seq_file *m,
else
glen = 0;
- seq_printf(m, "%d %d:", ug->uid, glen);
+ seq_printf(m, "%u %d:", ug->uid, glen);
for (i = 0; i < glen; i++)
seq_printf(m, " %d", GROUP_AT(ug->gi, i));
seq_printf(m, "\n");
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index 870929e08e5..a29f259204e 100644
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -968,6 +968,7 @@ static int svc_tcp_recv_record(struct svc_sock *svsk, struct svc_rqst *rqstp)
return len;
err_delete:
set_bit(XPT_CLOSE, &svsk->sk_xprt.xpt_flags);
+ svc_xprt_received(&svsk->sk_xprt);
err_again:
return -EAGAIN;
}
@@ -1357,7 +1358,7 @@ int svc_addsock(struct svc_serv *serv, const int fd, char *name_return,
if (!so)
return err;
- if (so->sk->sk_family != AF_INET)
+ if ((so->sk->sk_family != PF_INET) && (so->sk->sk_family != PF_INET6))
err = -EAFNOSUPPORT;
else if (so->sk->sk_protocol != IPPROTO_TCP &&
so->sk->sk_protocol != IPPROTO_UDP)
diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
index 469de292c23..42f09ade004 100644
--- a/net/sunrpc/xprt.c
+++ b/net/sunrpc/xprt.c
@@ -46,6 +46,7 @@
#include <linux/sunrpc/clnt.h>
#include <linux/sunrpc/metrics.h>
+#include <linux/sunrpc/bc_xprt.h>
#include "sunrpc.h"
@@ -1032,21 +1033,16 @@ void xprt_release(struct rpc_task *task)
if (req->rq_release_snd_buf)
req->rq_release_snd_buf(req);
- /*
- * Early exit if this is a backchannel preallocated request.
- * There is no need to have it added to the RPC slot list.
- */
- if (is_bc_request)
- return;
-
- memset(req, 0, sizeof(*req)); /* mark unused */
-
dprintk("RPC: %5u release request %p\n", task->tk_pid, req);
+ if (likely(!is_bc_request)) {
+ memset(req, 0, sizeof(*req)); /* mark unused */
- spin_lock(&xprt->reserve_lock);
- list_add(&req->rq_list, &xprt->free);
- rpc_wake_up_next(&xprt->backlog);
- spin_unlock(&xprt->reserve_lock);
+ spin_lock(&xprt->reserve_lock);
+ list_add(&req->rq_list, &xprt->free);
+ rpc_wake_up_next(&xprt->backlog);
+ spin_unlock(&xprt->reserve_lock);
+ } else
+ xprt_free_bc_request(req);
}
/**
diff --git a/net/sunrpc/xprtrdma/transport.c b/net/sunrpc/xprtrdma/transport.c
index 7018eef1dcd..f96c2fe6137 100644
--- a/net/sunrpc/xprtrdma/transport.c
+++ b/net/sunrpc/xprtrdma/transport.c
@@ -160,16 +160,15 @@ xprt_rdma_format_addresses(struct rpc_xprt *xprt)
(void)rpc_ntop(sap, buf, sizeof(buf));
xprt->address_strings[RPC_DISPLAY_ADDR] = kstrdup(buf, GFP_KERNEL);
- (void)snprintf(buf, sizeof(buf), "%u", rpc_get_port(sap));
+ snprintf(buf, sizeof(buf), "%u", rpc_get_port(sap));
xprt->address_strings[RPC_DISPLAY_PORT] = kstrdup(buf, GFP_KERNEL);
xprt->address_strings[RPC_DISPLAY_PROTO] = "rdma";
- (void)snprintf(buf, sizeof(buf), "%02x%02x%02x%02x",
- NIPQUAD(sin->sin_addr.s_addr));
+ snprintf(buf, sizeof(buf), "%08x", ntohl(sin->sin_addr.s_addr));
xprt->address_strings[RPC_DISPLAY_HEX_ADDR] = kstrdup(buf, GFP_KERNEL);
- (void)snprintf(buf, sizeof(buf), "%4hx", rpc_get_port(sap));
+ snprintf(buf, sizeof(buf), "%4hx", rpc_get_port(sap));
xprt->address_strings[RPC_DISPLAY_HEX_PORT] = kstrdup(buf, GFP_KERNEL);
/* netid */
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 3d739e5d15d..9847c30b500 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -297,12 +297,11 @@ static void xs_format_common_peer_addresses(struct rpc_xprt *xprt)
switch (sap->sa_family) {
case AF_INET:
sin = xs_addr_in(xprt);
- (void)snprintf(buf, sizeof(buf), "%02x%02x%02x%02x",
- NIPQUAD(sin->sin_addr.s_addr));
+ snprintf(buf, sizeof(buf), "%08x", ntohl(sin->sin_addr.s_addr));
break;
case AF_INET6:
sin6 = xs_addr_in6(xprt);
- (void)snprintf(buf, sizeof(buf), "%pi6", &sin6->sin6_addr);
+ snprintf(buf, sizeof(buf), "%pi6", &sin6->sin6_addr);
break;
default:
BUG();
@@ -315,10 +314,10 @@ static void xs_format_common_peer_ports(struct rpc_xprt *xprt)
struct sockaddr *sap = xs_addr(xprt);
char buf[128];
- (void)snprintf(buf, sizeof(buf), "%u", rpc_get_port(sap));
+ snprintf(buf, sizeof(buf), "%u", rpc_get_port(sap));
xprt->address_strings[RPC_DISPLAY_PORT] = kstrdup(buf, GFP_KERNEL);
- (void)snprintf(buf, sizeof(buf), "%4hx", rpc_get_port(sap));
+ snprintf(buf, sizeof(buf), "%4hx", rpc_get_port(sap));
xprt->address_strings[RPC_DISPLAY_HEX_PORT] = kstrdup(buf, GFP_KERNEL);
}
@@ -549,8 +548,6 @@ static int xs_udp_send_request(struct rpc_task *task)
/* Still some bytes left; set up for a retry later. */
status = -EAGAIN;
}
- if (!transport->sock)
- goto out;
switch (status) {
case -ENOTSOCK:
@@ -570,7 +567,7 @@ static int xs_udp_send_request(struct rpc_task *task)
* prompts ECONNREFUSED. */
clear_bit(SOCK_ASYNC_NOSPACE, &transport->sock->flags);
}
-out:
+
return status;
}
@@ -652,8 +649,6 @@ static int xs_tcp_send_request(struct rpc_task *task)
status = -EAGAIN;
break;
}
- if (!transport->sock)
- goto out;
switch (status) {
case -ENOTSOCK:
@@ -673,7 +668,7 @@ static int xs_tcp_send_request(struct rpc_task *task)
case -ENOTCONN:
clear_bit(SOCK_ASYNC_NOSPACE, &transport->sock->flags);
}
-out:
+
return status;
}
@@ -1912,6 +1907,11 @@ static void xs_tcp_setup_socket(struct rpc_xprt *xprt,
case -EALREADY:
xprt_clear_connecting(xprt);
return;
+ case -EINVAL:
+ /* Happens, for instance, if the user specified a link
+ * local IPv6 address without a scope-id.
+ */
+ goto out;
}
out_eagain:
status = -EAGAIN;
@@ -2100,7 +2100,7 @@ static void xs_tcp_print_stats(struct rpc_xprt *xprt, struct seq_file *seq)
* we allocate pages instead doing a kmalloc like rpc_malloc is because we want
* to use the server side send routines.
*/
-void *bc_malloc(struct rpc_task *task, size_t size)
+static void *bc_malloc(struct rpc_task *task, size_t size)
{
struct page *page;
struct rpc_buffer *buf;
@@ -2120,7 +2120,7 @@ void *bc_malloc(struct rpc_task *task, size_t size)
/*
* Free the space allocated in the bc_alloc routine
*/
-void bc_free(void *buffer)
+static void bc_free(void *buffer)
{
struct rpc_buffer *buf;
@@ -2251,9 +2251,6 @@ static struct rpc_xprt_ops xs_tcp_ops = {
.buf_free = rpc_free,
.send_request = xs_tcp_send_request,
.set_retrans_timeout = xprt_set_retrans_timeout_def,
-#if defined(CONFIG_NFS_V4_1)
- .release_request = bc_release_request,
-#endif /* CONFIG_NFS_V4_1 */
.close = xs_tcp_close,
.destroy = xs_destroy,
.print_stats = xs_tcp_print_stats,
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-24 03:39:31 +0000