Adding upstream version 6.1.76.upstream/6.1.76upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 47 insertions, 0 deletions

diff --git a/fs/jffs2/xattr_trusted.c b/fs/jffs2/xattr_trusted.c
new file mode 100644
index 000000000..cc3f24883
--- /dev/null
+++ b/fs/jffs2/xattr_trusted.c
@@ -0,0 +1,47 @@
+/*
+ * JFFS2 -- Journalling Flash File System, Version 2.
+ *
+ * Copyright © 2006  NEC Corporation
+ *
+ * Created by KaiGai Kohei <kaigai@ak.jp.nec.com>
+ *
+ * For licensing information, see the file 'LICENCE' in this directory.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/fs.h>
+#include <linux/jffs2.h>
+#include <linux/xattr.h>
+#include <linux/mtd/mtd.h>
+#include "nodelist.h"
+
+static int jffs2_trusted_getxattr(const struct xattr_handler *handler,
+				  struct dentry *unused, struct inode *inode,
+				  const char *name, void *buffer, size_t size)
+{
+	return do_jffs2_getxattr(inode, JFFS2_XPREFIX_TRUSTED,
+				 name, buffer, size);
+}
+
+static int jffs2_trusted_setxattr(const struct xattr_handler *handler,
+				  struct user_namespace *mnt_userns,
+				  struct dentry *unused, struct inode *inode,
+				  const char *name, const void *buffer,
+				  size_t size, int flags)
+{
+	return do_jffs2_setxattr(inode, JFFS2_XPREFIX_TRUSTED,
+				 name, buffer, size, flags);
+}
+
+static bool jffs2_trusted_listxattr(struct dentry *dentry)
+{
+	return capable(CAP_SYS_ADMIN);
+}
+
+const struct xattr_handler jffs2_trusted_xattr_handler = {
+	.prefix = XATTR_TRUSTED_PREFIX,
+	.list = jffs2_trusted_listxattr,
+	.set = jffs2_trusted_setxattr,
+	.get = jffs2_trusted_getxattr
+};