This patch adds a inode_change_ok() check before proceeding on to change
the attributes. This check is done only if the access=client.
Signed-off-by: Venkateswararao Jujjuri <jvrao@xxxxxxxxxxxxxxxxxx>
---
fs/9p/vfs_inode.c | 9 +++++++++
1 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index a67f9f5..31a70c7 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -900,10 +900,19 @@ static int v9fs_vfs_setattr(struct dentry *dentry, struct iattr *iattr)
struct v9fs_session_info *v9ses;
struct p9_fid *fid;
struct p9_wstat wstat;
+ int access;
P9_DPRINTK(P9_DEBUG_VFS, "\n");
retval = -EPERM;
v9ses = v9fs_inode2v9ses(dentry->d_inode);
+ access = v9ses->flags & V9FS_ACCESS_MASK;
+
+ if ((access == V9FS_ACCESS_CLIENT)) {
+ retval = inode_change_ok(dentry->d_inode, iattr);
+ if (retval)
+ return retval;
+ }
+
fid = v9fs_fid_lookup(dentry);
if(IS_ERR(fid))
return PTR_ERR(fid);
--
1.6.5.2
--
To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
