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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/shaggy...
[pandora-kernel.git]
/
fs
/
nfs
/
super.c
diff --git
a/fs/nfs/super.c
b/fs/nfs/super.c
index
fa517ae
..
0b0c72a
100644
(file)
--- a/
fs/nfs/super.c
+++ b/
fs/nfs/super.c
@@
-1054,10
+1054,11
@@
static int nfs_validate_mount_data(void *options,
{
struct nfs_mount_data *data = (struct nfs_mount_data *)options;
{
struct nfs_mount_data *data = (struct nfs_mount_data *)options;
+ memset(args, 0, sizeof(*args));
+
if (data == NULL)
goto out_no_data;
if (data == NULL)
goto out_no_data;
- memset(args, 0, sizeof(*args));
args->flags = (NFS_MOUNT_VER3 | NFS_MOUNT_TCP);
args->rsize = NFS_MAX_FILE_IO_SIZE;
args->wsize = NFS_MAX_FILE_IO_SIZE;
args->flags = (NFS_MOUNT_VER3 | NFS_MOUNT_TCP);
args->rsize = NFS_MAX_FILE_IO_SIZE;
args->wsize = NFS_MAX_FILE_IO_SIZE;
@@
-1474,6
+1475,11
@@
static int nfs_xdev_get_sb(struct file_system_type *fs_type, int flags,
error = PTR_ERR(mntroot);
goto error_splat_super;
}
error = PTR_ERR(mntroot);
goto error_splat_super;
}
+ if (mntroot->d_inode->i_op != NFS_SB(s)->nfs_client->rpc_ops->dir_inode_ops) {
+ dput(mntroot);
+ error = -ESTALE;
+ goto error_splat_super;
+ }
s->s_flags |= MS_ACTIVE;
mnt->mnt_sb = s;
s->s_flags |= MS_ACTIVE;
mnt->mnt_sb = s;
@@
-1531,10
+1537,11
@@
static int nfs4_validate_mount_data(void *options,
struct nfs4_mount_data *data = (struct nfs4_mount_data *)options;
char *c;
struct nfs4_mount_data *data = (struct nfs4_mount_data *)options;
char *c;
+ memset(args, 0, sizeof(*args));
+
if (data == NULL)
goto out_no_data;
if (data == NULL)
goto out_no_data;
- memset(args, 0, sizeof(*args));
args->rsize = NFS_MAX_FILE_IO_SIZE;
args->wsize = NFS_MAX_FILE_IO_SIZE;
args->timeo = 600;
args->rsize = NFS_MAX_FILE_IO_SIZE;
args->wsize = NFS_MAX_FILE_IO_SIZE;
args->timeo = 600;
@@
-1819,6
+1826,11
@@
static int nfs4_xdev_get_sb(struct file_system_type *fs_type, int flags,
error = PTR_ERR(mntroot);
goto error_splat_super;
}
error = PTR_ERR(mntroot);
goto error_splat_super;
}
+ if (mntroot->d_inode->i_op != NFS_SB(s)->nfs_client->rpc_ops->dir_inode_ops) {
+ dput(mntroot);
+ error = -ESTALE;
+ goto error_splat_super;
+ }
s->s_flags |= MS_ACTIVE;
mnt->mnt_sb = s;
s->s_flags |= MS_ACTIVE;
mnt->mnt_sb = s;
@@
-1893,6
+1905,11
@@
static int nfs4_referral_get_sb(struct file_system_type *fs_type, int flags,
error = PTR_ERR(mntroot);
goto error_splat_super;
}
error = PTR_ERR(mntroot);
goto error_splat_super;
}
+ if (mntroot->d_inode->i_op != NFS_SB(s)->nfs_client->rpc_ops->dir_inode_ops) {
+ dput(mntroot);
+ error = -ESTALE;
+ goto error_splat_super;
+ }
s->s_flags |= MS_ACTIVE;
mnt->mnt_sb = s;
s->s_flags |= MS_ACTIVE;
mnt->mnt_sb = s;