bpf: Zero out socket filter in bpf_parse_rules()

Instead of memsetting the struct sock_filter every time before we call
bpf_parse_rules(), do it there directly.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>

1 files changed, 2 insertions, 0 deletions

diff --git a/bpf.c b/bpf.c
index c287597..6239af9 100644
--- a/bpf.c
+++ b/bpf.c
@@ -720,6 +720,8 @@ void bpf_parse_rules(char *rulefile, struct sock_fprog *bpf, uint32_t link_type)
 	struct sock_filter sf_single = { 0x06, 0, 0, 0xFFFFFFFF };
 	FILE *fp;
 
+	fmemset(bpf, 0, sizeof(*bpf));
+
 	if (rulefile == NULL) {
 		bpf->len = 1;
 		bpf->filter = xmalloc(sizeof(sf_single));