fs/9p: Pass the correct user credentials during attach

We need to make sure we pass the right uid value
during attach. dotl is similar to dotu in this regard.
Without this mapped security model on dotl doesn't work

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>

diff --git a/fs/9p/fid.c b/fs/9p/fid.c
index 7317b39b28159b2e712de1eec7bed5fce2312b3a..5d6cfcbf73e7623488f88cffd5bd4fc7f178dd22 100644 (file)
--- a/fs/9p/fid.c
+++ b/fs/9p/fid.c
@@ -152,7 +152,8 @@ struct p9_fid *v9fs_fid_lookup(struct dentry *dentry)
                        if (access == V9FS_ACCESS_SINGLE)
                                return ERR_PTR(-EPERM);
 
-                       if (v9fs_proto_dotu(v9ses))
+                       if (v9fs_proto_dotu(v9ses) ||
+                               v9fs_proto_dotl(v9ses))
                                uname = NULL;
                        else
                                uname = v9ses->uname;

diff --git a/fs/9p/v9fs.c b/fs/9p/v9fs.c
index f8b86e92cd660ef9da7e026be6a06fb7de4863fb..3c492011221ce11e1b1d40d08775ddd9edcc8352 100644 (file)
--- a/fs/9p/v9fs.c
+++ b/fs/9p/v9fs.c
@@ -278,7 +278,7 @@ struct p9_fid *v9fs_session_init(struct v9fs_session_info *v9ses,
        v9ses->maxdata = v9ses->clnt->msize - P9_IOHDRSZ;
 
        /* for legacy mode, fall back to V9FS_ACCESS_ANY */
-       if (!v9fs_proto_dotu(v9ses) &&
+       if (!(v9fs_proto_dotu(v9ses) || v9fs_proto_dotl(v9ses)) &&
                ((v9ses->flags&V9FS_ACCESS_MASK) == V9FS_ACCESS_USER)) {
 
                v9ses->flags &= ~V9FS_ACCESS_MASK;