[PATCH 35/35] ocfs2: Add xattr support checking in init_security

[Mark Fasheh]

From: Tiger Yang <tiger.yang@xxxxxxxxxx>

We must check whether ocfs2 volume support xattr in init_security,
if not support xattr and security is enable, would cause failure of mknod.

Signed-off-by: Tiger Yang <tiger.yang@xxxxxxxxxx>
Signed-off-by: Mark Fasheh <mfasheh@xxxxxxxx>
---
 fs/ocfs2/xattr.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c
index 095b0bb..e1d638a 100644
--- a/fs/ocfs2/xattr.c
+++ b/fs/ocfs2/xattr.c
@@ -5324,6 +5324,9 @@ int ocfs2_init_security_get(struct inode *inode,
 			    struct inode *dir,
 			    struct ocfs2_security_xattr_info *si)
 {
+	/* check whether ocfs2 support feature xattr */
+	if (!ocfs2_supports_xattr(OCFS2_SB(dir->i_sb)))
+		return -EOPNOTSUPP;
 	return security_inode_init_security(inode, dir, &si->name, &si->value,
 					    &si->value_len);
 }
-- 
1.5.6

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