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-rw-r--r--include/linux/filter.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/filter.h b/include/linux/filter.h
index 425056c7f96c..daa5a676335f 100644
--- a/include/linux/filter.h
+++ b/include/linux/filter.h
@@ -1007,6 +1007,15 @@ struct bpf_sock_ops_kern {
u32 replylong[4];
};
u32 is_fullsock;
+ u64 temp; /* temp and everything after is not
+ * initialized to 0 before calling
+ * the BPF program. New fields that
+ * should be initialized to 0 should
+ * be inserted before temp.
+ * temp is scratch storage used by
+ * sock_ops_convert_ctx_access
+ * as temporary storage of a register.
+ */
};
#endif /* __LINUX_FILTER_H__ */