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-rw-r--r--include/linux/filter.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/filter.h b/include/linux/filter.h
index 759abf78dd61..b042d1db127f 100644
--- a/include/linux/filter.h
+++ b/include/linux/filter.h
@@ -37,6 +37,9 @@
#define BPF_CALL 0x80 /* function call */
#define BPF_EXIT 0x90 /* function return */
+/* Placeholder/dummy for 0 */
+#define BPF_0 0
+
/* BPF has 10 general purpose 64-bit registers and stack frame. */
#define MAX_BPF_REG 11