for make V=1 EXTRA_CFLAGS=-W ARCH=arm allmodconfig
printk is need when CONFIG_BPF_JIT is defined
or it will report pr_err and print_hex_dump are implicit declaration
Signed-off-by: Chen Gang <gang.c...@asianux.com>
---
include/linux/filter.h | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/include/linux/filter.h b/include/linux/filter.h
index d7d2508..d1248f4 100644
--- a/include/linux/filter.h
+++ b/include/linux/filter.h
@@ -48,6 +48,9 @@ extern int sk_chk_filter(struct sock_filter *filter, unsigned
int flen);
extern int sk_get_filter(struct sock *sk, struct sock_filter __user *filter,
unsigned len);
#ifdef CONFIG_BPF_JIT
+#include <linux/linkage.h>
+#include <linux/printk.h>
+
extern void bpf_jit_compile(struct sk_filter *fp);
extern void bpf_jit_free(struct sk_filter *fp);
--
1.7.7.6
--
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