提交 fe2b7595 编写于 作者: A Andreas Gruenbacher 提交者: Miklos Szeredi

ovl: Fix OVL_XATTR_PREFIX

Make sure ovl_own_xattr_handler only matches attribute names starting
with "overlay.", not "overlayXXX".
Signed-off-by: NAndreas Gruenbacher <agruenba@redhat.com>
Fixes: d837a49b ("ovl: fix POSIX ACL setting")
Signed-off-by: NMiklos Szeredi <mszeredi@redhat.com>
上级 fd36570a
......@@ -194,9 +194,8 @@ static int ovl_readlink(struct dentry *dentry, char __user *buf, int bufsiz)
bool ovl_is_private_xattr(const char *name)
{
#define OVL_XATTR_PRE_NAME OVL_XATTR_PREFIX "."
return strncmp(name, OVL_XATTR_PRE_NAME,
sizeof(OVL_XATTR_PRE_NAME) - 1) == 0;
return strncmp(name, OVL_XATTR_PREFIX,
sizeof(OVL_XATTR_PREFIX) - 1) == 0;
}
int ovl_setxattr(struct dentry *dentry, struct inode *inode,
......
......@@ -24,8 +24,8 @@ enum ovl_path_type {
(OVL_TYPE_MERGE(type) || !OVL_TYPE_UPPER(type))
#define OVL_XATTR_PREFIX XATTR_TRUSTED_PREFIX "overlay"
#define OVL_XATTR_OPAQUE OVL_XATTR_PREFIX ".opaque"
#define OVL_XATTR_PREFIX XATTR_TRUSTED_PREFIX "overlay."
#define OVL_XATTR_OPAQUE OVL_XATTR_PREFIX "opaque"
#define OVL_ISUPPER_MASK 1UL
......
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