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authorTrond Myklebust <Trond.Myklebust@netapp.com>2007-01-13 02:28:11 -0500
committerTrond Myklebust <Trond.Myklebust@netapp.com>2007-02-03 15:35:05 -0800
commitfaebf4e2bb0efad9dda396ea13d5c6ad15d7d7fb (patch)
tree7e0d0af02aa188b508af18c59dddbec81ecc5da7 /fs/nfs/getroot.c
parentc79ba787c11e767ffaf8d723923afda99ba6c63c (diff)
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NFSv4: Don't require that NFSv4 mount paths begin with '/'
Addresses the regression noted in http://bugzilla.linux-nfs.org/show_bug.cgi?id=134 Also mark a couple of other regressions as requiring fixing. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/getroot.c')
-rw-r--r--fs/nfs/getroot.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/fs/nfs/getroot.c b/fs/nfs/getroot.c
index 8391bd7a83c..6ef268f7c30 100644
--- a/fs/nfs/getroot.c
+++ b/fs/nfs/getroot.c
@@ -135,17 +135,15 @@ int nfs4_path_walk(struct nfs_server *server,
struct nfs_fh lastfh;
struct qstr name;
int ret;
- //int referral_count = 0;
dprintk("--> nfs4_path_walk(,,%s)\n", path);
fsinfo.fattr = &fattr;
nfs_fattr_init(&fattr);
- if (*path++ != '/') {
- dprintk("nfs4_get_root: Path does not begin with a slash\n");
- return -EINVAL;
- }
+ /* Eat leading slashes */
+ while (*path == '/')
+ path++;
/* Start by getting the root filehandle from the server */
ret = server->nfs_client->rpc_ops->getroot(server, mntfh, &fsinfo);
@@ -160,6 +158,7 @@ int nfs4_path_walk(struct nfs_server *server,
return -ENOTDIR;
}
+ /* FIXME: It is quite valid for the server to return a referral here */
if (fattr.valid & NFS_ATTR_FATTR_V4_REFERRAL) {
printk(KERN_ERR "nfs4_get_root:"
" getroot obtained referral\n");
@@ -187,6 +186,7 @@ eat_dot_dir:
goto eat_dot_dir;
}
+ /* FIXME: Why shouldn't the user be able to use ".." in the path? */
if (path[0] == '.' && path[1] == '.' && (path[2] == '/' || !path[2])
) {
printk(KERN_ERR "nfs4_get_root:"
@@ -212,6 +212,7 @@ eat_dot_dir:
return -ENOTDIR;
}
+ /* FIXME: Referrals are quite valid here too */
if (fattr.valid & NFS_ATTR_FATTR_V4_REFERRAL) {
printk(KERN_ERR "nfs4_get_root:"
" lookupfh obtained referral\n");