[PATCH 2/2] samples/bpf: xdpsock: Remove forward declaration of ip_fast_csum()
From: Simon Horman <hidden>
Date: 2021-08-06 12:29:24
Also in:
bpf
Subsystem:
bpf [general] (safe dynamic programs and tools), the rest, xdp (express data path) · Maintainers:
Alexei Starovoitov, Daniel Borkmann, Andrii Nakryiko, Eduard Zingerman, Kumar Kartikeya Dwivedi, Linus Torvalds, David S. Miller, Jakub Kicinski, Jesper Dangaard Brouer, John Fastabend
From: Niklas Söderlund <redacted> There is a forward declaration of ip_fast_csum() just before its implementation, remove the unneeded forward declaration. While at it mark the implementation as static inline. Signed-off-by: Niklas Söderlund <redacted> Reviewed-by: Louis Peens <redacted> Signed-off-by: Simon Horman <redacted> --- samples/bpf/xdpsock_user.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/samples/bpf/xdpsock_user.c b/samples/bpf/xdpsock_user.c
index 7c56a7a784e1..49d7a6ad7e39 100644
--- a/samples/bpf/xdpsock_user.c
+++ b/samples/bpf/xdpsock_user.c@@ -651,15 +651,13 @@ static unsigned int do_csum(const unsigned char *buff, int len) return result; } -__sum16 ip_fast_csum(const void *iph, unsigned int ihl); - /* * This is a version of ip_compute_csum() optimized for IP headers, * which always checksum on 4 octet boundaries. * This function code has been taken from * Linux kernel lib/checksum.c */ -__sum16 ip_fast_csum(const void *iph, unsigned int ihl) +static inline __sum16 ip_fast_csum(const void *iph, unsigned int ihl) { return (__sum16)~do_csum(iph, ihl * 4); }
--
2.20.1