splice/tee/vmsplice: validate flags

Long overdue... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2016-12-10 13:17:32 -05:00
parent f81dc7d7d5
commit 3d6ea290f3
2 changed files with 10 additions and 0 deletions
--- a/include/linux/splice.h
+++ b/include/linux/splice.h
@@ -20,6 +20,8 @@
 #define SPLICE_F_MORE	(0x04)	/* expect more data */
 #define SPLICE_F_GIFT	(0x08)	/* pages passed in are a gift */

+#define SPLICE_F_ALL (SPLICE_F_MOVE|SPLICE_F_NONBLOCK|SPLICE_F_MORE|SPLICE_F_GIFT)
+
 /*
 * Passed to the actors
 */