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authorKonstantin Komarov <almaz.alexandrovich@paragon-software.com>2021-09-22 18:33:38 +0300
committerKonstantin Komarov <almaz.alexandrovich@paragon-software.com>2021-09-24 17:39:57 +0300
commit398c35f4d78410725e154c2fc0a51ecac05a3f1f (patch)
tree1303fa74972740edb13b918aced7addcac41c594 /fs/ntfs3
parent0bd5fdb811b0449fcef948a100099cc3197f1b73 (diff)
downloadlinux-398c35f4d78410725e154c2fc0a51ecac05a3f1f.tar.xz
fs/ntfs3: Pass flags to ntfs_set_ea in ntfs_set_acl_ex
In case of removing of xattr there must be XATTR_REPLACE flag and zero length. We already check XATTR_REPLACE in ntfs_set_ea, so now we pass XATTR_REPLACE to ntfs_set_ea. Reviewed-by: Kari Argillander <kari.argillander@gmail.com> Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
Diffstat (limited to 'fs/ntfs3')
-rw-r--r--fs/ntfs3/xattr.c9
1 files 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);