Commit 329c5056 authored by Miao Xie's avatar Miao Xie Committed by Li Zefan
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Btrfs: Check validity before setting an acl 



Call posix_acl_valid() to check if an acl is valid or not.

Signed-off-by: default avatarMiao Xie <miaox@cn.fujitsu.com>
Signed-off-by: default avatarLi Zefan <lizf@cn.fujitsu.com>
parent 3153495d

fs/btrfs/acl.c

+5 −4
Original line number Diff line number Diff line
@@ -178,16 +178,17 @@ static int btrfs_xattr_acl_set(struct dentry *dentry, const char *name, 


	if (value) {

		acl = posix_acl_from_xattr(value, size);

		if (acl == NULL) {

			value = NULL;

			size = 0;

		if (acl) {

			ret = posix_acl_valid(acl);

			if (ret)

				goto out;

		} else if (IS_ERR(acl)) {

			return PTR_ERR(acl);

		}

	}



	ret = btrfs_set_acl(NULL, dentry->d_inode, acl, type);



out:

	posix_acl_release(acl);



	return ret;