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 7317b39..5d6cfcb 100644
--- a/fs/9p/fid.c
+++ b/fs/9p/fid.c
@@ -152,7 +152,8 @@
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 f8b86e9..3c49201 100644
--- a/fs/9p/v9fs.c
+++ b/fs/9p/v9fs.c
@@ -278,7 +278,7 @@
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;