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authorLinus Torvalds <torvalds@linux-foundation.org>2008-07-08 12:40:57 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-08 12:40:57 -0700
commitf57e91682d141ea50d8c6d42cdc251b6256a3755 (patch)
treea9c94baebf4b33454673c600fe586b6c65600446
parente9144754867b9ef431d54ea2a156f78feb196c34 (diff)
parent803a9067e19714ea7b7da760fe92f0d53bfa6994 (diff)
Merge branch 'hotfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6
* 'hotfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6: SUNRPC: Fix an rpcbind breakage for the case of IPv6 lookups SUNRPC: Fix a double-free in rpcbind NFS: Fix readdir cache invalidation
-rw-r--r--fs/nfs/dir.c2
-rw-r--r--net/sunrpc/rpcb_clnt.c23
2 files changed, 12 insertions, 13 deletions
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index 58d43daec08..982a2064fe4 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -204,7 +204,7 @@ int nfs_readdir_filler(nfs_readdir_descriptor_t *desc, struct page *page)
* Note: assumes we have exclusive access to this mapping either
* through inode->i_mutex or some other mechanism.
*/
- if (page->index == 0 && invalidate_inode_pages2_range(inode->i_mapping, PAGE_CACHE_SIZE, -1) < 0) {
+ if (invalidate_inode_pages2_range(inode->i_mapping, page->index + 1, -1) < 0) {
/* Should never happen */
nfs_zap_mapping(inode, inode->i_mapping);
}
diff --git a/net/sunrpc/rpcb_clnt.c b/net/sunrpc/rpcb_clnt.c
index 0517967a68b..e6fb21b19b8 100644
--- a/net/sunrpc/rpcb_clnt.c
+++ b/net/sunrpc/rpcb_clnt.c
@@ -243,10 +243,10 @@ int rpcb_getport_sync(struct sockaddr_in *sin, u32 prog, u32 vers, int prot)
}
EXPORT_SYMBOL_GPL(rpcb_getport_sync);
-static struct rpc_task *rpcb_call_async(struct rpc_clnt *rpcb_clnt, struct rpcbind_args *map, int version)
+static struct rpc_task *rpcb_call_async(struct rpc_clnt *rpcb_clnt, struct rpcbind_args *map, struct rpc_procinfo *proc)
{
struct rpc_message msg = {
- .rpc_proc = rpcb_next_version[version].rpc_proc,
+ .rpc_proc = proc,
.rpc_argp = map,
.rpc_resp = &map->r_port,
};
@@ -271,6 +271,7 @@ static struct rpc_task *rpcb_call_async(struct rpc_clnt *rpcb_clnt, struct rpcbi
void rpcb_getport_async(struct rpc_task *task)
{
struct rpc_clnt *clnt = task->tk_client;
+ struct rpc_procinfo *proc;
u32 bind_version;
struct rpc_xprt *xprt = task->tk_xprt;
struct rpc_clnt *rpcb_clnt;
@@ -280,7 +281,6 @@ void rpcb_getport_async(struct rpc_task *task)
struct sockaddr *sap = (struct sockaddr *)&addr;
size_t salen;
int status;
- struct rpcb_info *info;
dprintk("RPC: %5u %s(%s, %u, %u, %d)\n",
task->tk_pid, __func__,
@@ -313,10 +313,12 @@ void rpcb_getport_async(struct rpc_task *task)
/* Don't ever use rpcbind v2 for AF_INET6 requests */
switch (sap->sa_family) {
case AF_INET:
- info = rpcb_next_version;
+ proc = rpcb_next_version[xprt->bind_index].rpc_proc;
+ bind_version = rpcb_next_version[xprt->bind_index].rpc_vers;
break;
case AF_INET6:
- info = rpcb_next_version6;
+ proc = rpcb_next_version6[xprt->bind_index].rpc_proc;
+ bind_version = rpcb_next_version6[xprt->bind_index].rpc_vers;
break;
default:
status = -EAFNOSUPPORT;
@@ -324,14 +326,13 @@ void rpcb_getport_async(struct rpc_task *task)
task->tk_pid, __func__);
goto bailout_nofree;
}
- if (info[xprt->bind_index].rpc_proc == NULL) {
+ if (proc == NULL) {
xprt->bind_index = 0;
status = -EPFNOSUPPORT;
dprintk("RPC: %5u %s: no more getport versions available\n",
task->tk_pid, __func__);
goto bailout_nofree;
}
- bind_version = info[xprt->bind_index].rpc_vers;
dprintk("RPC: %5u %s: trying rpcbind version %u\n",
task->tk_pid, __func__, bind_version);
@@ -361,22 +362,20 @@ void rpcb_getport_async(struct rpc_task *task)
map->r_addr = rpc_peeraddr2str(rpcb_clnt, RPC_DISPLAY_UNIVERSAL_ADDR);
map->r_owner = RPCB_OWNER_STRING; /* ignored for GETADDR */
- child = rpcb_call_async(rpcb_clnt, map, xprt->bind_index);
+ child = rpcb_call_async(rpcb_clnt, map, proc);
rpc_release_client(rpcb_clnt);
if (IS_ERR(child)) {
status = -EIO;
+ /* rpcb_map_release() has freed the arguments */
dprintk("RPC: %5u %s: rpc_run_task failed\n",
task->tk_pid, __func__);
- goto bailout;
+ goto bailout_nofree;
}
rpc_put_task(child);
task->tk_xprt->stat.bind_count++;
return;
-bailout:
- kfree(map);
- xprt_put(xprt);
bailout_nofree:
rpcb_wake_rpcbind_waiters(xprt, status);
bailout_nowake: