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Merge branch 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6

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* 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6:
  NFSv4: Kill nfs4_renewd_prepare_shutdown()
  NFSv4: Fix the referral mount code
  nfs: Avoid overrun when copying client IP address string
  NFS: Fix port initialisation in nfs_remount()
  NFS: Fix port and mountport display in /proc/self/mountinfo
  NFS: Fix a default mount regression...
This commit is contained in:
Linus Torvalds 2009-10-08 14:15:19 -07:00
commit 32b7a567c8
4 changed files with 24 additions and 32 deletions
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2
fs/nfs/client.c
View File

@ -1180,7 +1180,7 @@ static int nfs4_init_client(struct nfs_client *clp,
1, flags & NFS_MOUNT_NORESVPORT);
if (error < 0)
goto error;
memcpy(clp->cl_ipaddr, ip_addr, sizeof(clp->cl_ipaddr));
strlcpy(clp->cl_ipaddr, ip_addr, sizeof(clp->cl_ipaddr));
error = nfs_idmap_new(clp);
if (error < 0) {

12
fs/nfs/nfs4namespace.c
View File

@ -121,7 +121,7 @@ static struct vfsmount *try_location(struct nfs_clone_mount *mountdata,
mnt_path = nfs4_pathname_string(&location->rootpath, page2, PAGE_SIZE);
if (IS_ERR(mnt_path))
return mnt;
return ERR_CAST(mnt_path);
mountdata->mnt_path = mnt_path;
maxbuflen = mnt_path - 1 - page2;
@ -132,15 +132,15 @@ static struct vfsmount *try_location(struct nfs_clone_mount *mountdata,
if (buf->len <= 0 || buf->len >= maxbuflen)
continue;
mountdata->addr = (struct sockaddr *)&addr;
if (memchr(buf->data, IPV6_SCOPE_DELIMITER, buf->len))
continue;
mountdata->addrlen = nfs_parse_server_name(buf->data,
buf->len,
mountdata->addr, mountdata->addrlen);
mountdata->addrlen = nfs_parse_server_name(buf->data, buf->len,
(struct sockaddr *)&addr, sizeof(addr));
if (mountdata->addrlen == 0)
continue;
mountdata->addr = (struct sockaddr *)&addr;
rpc_set_port(mountdata->addr, NFS_PORT);
memcpy(page2, buf->data, buf->len);

6
fs/nfs/nfs4renewd.c
View File

@ -126,12 +126,6 @@ nfs4_schedule_state_renewal(struct nfs_client *clp)
spin_unlock(&clp->cl_lock);
}
void
nfs4_renewd_prepare_shutdown(struct nfs_server *server)
{
cancel_delayed_work(&server->nfs_client->cl_renewd);
}
void
nfs4_kill_renewd(struct nfs_client *clp)
{

36
fs/nfs/super.c
View File

@ -728,22 +728,24 @@ static void nfs_umount_begin(struct super_block *sb)
unlock_kernel();
}
static struct nfs_parsed_mount_data *nfs_alloc_parsed_mount_data(int flags)
static struct nfs_parsed_mount_data *nfs_alloc_parsed_mount_data(unsigned int version)
{
struct nfs_parsed_mount_data *data;
data = kzalloc(sizeof(*data), GFP_KERNEL);
if (data) {
data->flags = flags;
data->rsize = NFS_MAX_FILE_IO_SIZE;
data->wsize = NFS_MAX_FILE_IO_SIZE;
data->acregmin = NFS_DEF_ACREGMIN;
data->acregmax = NFS_DEF_ACREGMAX;
data->acdirmin = NFS_DEF_ACDIRMIN;
data->acdirmax = NFS_DEF_ACDIRMAX;
data->mount_server.port = NFS_UNSPEC_PORT;
data->nfs_server.port = NFS_UNSPEC_PORT;
data->nfs_server.protocol = XPRT_TRANSPORT_TCP;
data->auth_flavors[0] = RPC_AUTH_UNIX;
data->auth_flavor_len = 1;
data->version = version;
data->minorversion = 0;
}
return data;
@ -776,15 +778,13 @@ static int nfs_verify_server_address(struct sockaddr *addr)
* Select between a default port value and a user-specified port value.
* If a zero value is set, then autobind will be used.
*/
static void nfs_set_default_port(struct sockaddr *sap, const int parsed_port,
static void nfs_set_port(struct sockaddr *sap, int *port,
const unsigned short default_port)
{
unsigned short port = default_port;
if (*port == NFS_UNSPEC_PORT)
*port = default_port;
if (parsed_port != NFS_UNSPEC_PORT)
port = parsed_port;
rpc_set_port(sap, port);
rpc_set_port(sap, *port);
}
/*
@ -1475,7 +1475,7 @@ static int nfs_try_mount(struct nfs_parsed_mount_data *args,
args->mount_server.addrlen = args->nfs_server.addrlen;
}
request.salen = args->mount_server.addrlen;
nfs_set_default_port(request.sap, args->mount_server.port, 0);
nfs_set_port(request.sap, &args->mount_server.port, 0);
/*
* Now ask the mount server to map our export path
@ -1711,8 +1711,6 @@ static int nfs_validate_mount_data(void *options,
if (!(data->flags & NFS_MOUNT_TCP))
args->nfs_server.protocol = XPRT_TRANSPORT_UDP;
else
args->nfs_server.protocol = XPRT_TRANSPORT_TCP;
/* N.B. caller will free nfs_server.hostname in all cases */
args->nfs_server.hostname = kstrdup(data->hostname, GFP_KERNEL);
args->namlen = data->namlen;
@ -1767,7 +1765,7 @@ static int nfs_validate_mount_data(void *options,
goto out_v4_not_compiled;
#endif
nfs_set_default_port(sap, args->nfs_server.port, 0);
nfs_set_port(sap, &args->nfs_server.port, 0);
nfs_set_mount_transport_protocol(args);
@ -1848,9 +1846,10 @@ nfs_compare_remount_data(struct nfs_server *nfss,
data->acdirmin != nfss->acdirmin / HZ ||
data->acdirmax != nfss->acdirmax / HZ ||
data->timeo != (10U * nfss->client->cl_timeout->to_initval / HZ) ||
data->nfs_server.port != nfss->port ||
data->nfs_server.addrlen != nfss->nfs_client->cl_addrlen ||
memcmp(&data->nfs_server.address, &nfss->nfs_client->cl_addr,
data->nfs_server.addrlen) != 0)
!rpc_cmp_addr(&data->nfs_server.address,
&nfss->nfs_client->cl_addr))
return -EINVAL;
return 0;
@ -1893,6 +1892,7 @@ nfs_remount(struct super_block *sb, int *flags, char *raw_data)
data->acdirmin = nfss->acdirmin / HZ;
data->acdirmax = nfss->acdirmax / HZ;
data->timeo = 10U * nfss->client->cl_timeout->to_initval / HZ;
data->nfs_server.port = nfss->port;
data->nfs_server.addrlen = nfss->nfs_client->cl_addrlen;
memcpy(&data->nfs_server.address, &nfss->nfs_client->cl_addr,
data->nfs_server.addrlen);
@ -2106,7 +2106,7 @@ static int nfs_get_sb(struct file_system_type *fs_type,
};
int error = -ENOMEM;
data = nfs_alloc_parsed_mount_data(NFS_MOUNT_VER3 | NFS_MOUNT_TCP);
data = nfs_alloc_parsed_mount_data(3);
mntfh = kzalloc(sizeof(*mntfh), GFP_KERNEL);
if (data == NULL || mntfh == NULL)
goto out_free_fh;
@ -2331,7 +2331,7 @@ static int nfs4_validate_text_mount_data(void *options,
{
struct sockaddr *sap = (struct sockaddr *)&args->nfs_server.address;
nfs_set_default_port(sap, args->nfs_server.port, NFS_PORT);
nfs_set_port(sap, &args->nfs_server.port, NFS_PORT);
nfs_validate_transport_protocol(args);
@ -2376,7 +2376,6 @@ static int nfs4_validate_mount_data(void *options,
if (data == NULL)
goto out_no_data;
args->version = 4;
switch (data->version) {
case 1:
if (data->host_addrlen > sizeof(args->nfs_server.address))
@ -2660,7 +2659,7 @@ static int nfs4_get_sb(struct file_system_type *fs_type,
struct nfs_parsed_mount_data *data;
int error = -ENOMEM;
data = nfs_alloc_parsed_mount_data(0);
data = nfs_alloc_parsed_mount_data(4);
if (data == NULL)
goto out_free_data;
@ -2690,7 +2689,6 @@ static void nfs4_kill_super(struct super_block *sb)
dprintk("--> %s\n", __func__);
nfs_super_return_all_delegations(sb);
kill_anon_super(sb);
nfs4_renewd_prepare_shutdown(server);
nfs_fscache_release_super_cookie(sb);
nfs_free_server(server);
dprintk("<-- %s\n", __func__);