[PATCH 3/5] fs/ntfs3: Pass flags to ntfs_set_ea in ntfs_set_acl_ex

From: Konstantin Komarov
Date: Wed Sep 22 2021 - 12:19:33 EST


Signed-off-by: Konstantin Komarov <almaz.alexandrovich@xxxxxxxxxxxxxxxxxxxx>
---
fs/ntfs3/xattr.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/fs/ntfs3/xattr.c b/fs/ntfs3/xattr.c
index 3795943efc8e..70f2f9eb6b1e 100644
--- a/fs/ntfs3/xattr.c
+++ b/fs/ntfs3/xattr.c
@@ -549,6 +549,7 @@ static noinline int ntfs_set_acl_ex(struct user_namespace *mnt_userns,
size_t size, name_len;
void *value = NULL;
int err = 0;
+ int flags;

if (S_ISLNK(inode->i_mode))
return -EOPNOTSUPP;
@@ -591,20 +592,24 @@ static noinline int ntfs_set_acl_ex(struct user_namespace *mnt_userns,
}

if (!acl) {
+ /* Remove xattr if it can be presented via mode. */
size = 0;
value = NULL;
+ flags = XATTR_REPLACE;
} else {
size = posix_acl_xattr_size(acl->a_count);
value = kmalloc(size, GFP_NOFS);
if (!value)
return -ENOMEM;
-
err = posix_acl_to_xattr(mnt_userns, acl, value, size);
if (err < 0)
goto out;
+ flags = 0;
}

- err = ntfs_set_ea(inode, name, name_len, value, size, 0, locked);
+ err = ntfs_set_ea(inode, name, name_len, value, size, flags, locked);
+ if (err == -ENODATA && !size)
+ err = 0; /* Removing non existed xattr. */
if (!err)
set_cached_acl(inode, type, acl);

--
2.33.0