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Use unsigned conversion specifier for nlmsg_pid
author
Toshiaki Makita
<makita.toshiaki@lab.ntt.co.jp>
Mon, 31 Jul 2017 11:20:55 +0000
(20:20 +0900)
committer
Brenden Blanco
<bblanco@gmail.com>
Tue, 1 Aug 2017 16:36:43 +0000
(09:36 -0700)
nlmsg_pid is __u32, so let's use %u instead of %d.
Signed-off-by: Toshiaki Makita <makita.toshiaki@lab.ntt.co.jp>
src/cc/libbpf.c
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diff --git
a/src/cc/libbpf.c
b/src/cc/libbpf.c
index
8b88795
..
e234ebb
100644
(file)
--- a/
src/cc/libbpf.c
+++ b/
src/cc/libbpf.c
@@
-803,7
+803,7
@@
int bpf_attach_xdp(const char *dev_name, int progfd, uint32_t flags) {
for (nh = (struct nlmsghdr *)buf; NLMSG_OK(nh, len);
nh = NLMSG_NEXT(nh, len)) {
if (nh->nlmsg_pid != sa.nl_pid) {
- fprintf(stderr, "bpf: Wrong pid %
d, expected %d
\n",
+ fprintf(stderr, "bpf: Wrong pid %
u, expected %u
\n",
nh->nlmsg_pid, sa.nl_pid);
errno = EBADMSG;
goto cleanup;