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-rw-r--r--include/uapi/linux/un.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/uapi/linux/un.h b/include/uapi/linux/un.h
index 3ed3e46c1b1f..0ad59dc8b686 100644
--- a/include/uapi/linux/un.h
+++ b/include/uapi/linux/un.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _LINUX_UN_H
#define _LINUX_UN_H
@@ -10,4 +11,6 @@ struct sockaddr_un {
char sun_path[UNIX_PATH_MAX]; /* pathname */
};
+#define SIOCUNIXFILE (SIOCPROTOPRIVATE + 0) /* open a socket file with O_PATH */
+
#endif /* _LINUX_UN_H */