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Diffstat (limited to 'tools/lib/bpf/nlattr.c')
-rw-r--r--tools/lib/bpf/nlattr.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/lib/bpf/nlattr.c b/tools/lib/bpf/nlattr.c
index 3900d052ed19..975e265eab3b 100644
--- a/tools/lib/bpf/nlattr.c
+++ b/tools/lib/bpf/nlattr.c
@@ -178,7 +178,7 @@ int libbpf_nla_dump_errormsg(struct nlmsghdr *nlh)
hlen += nlmsg_len(&err->msg);
attr = (struct nlattr *) ((void *) err + hlen);
- alen = nlh->nlmsg_len - hlen;
+ alen = (void *)nlh + nlh->nlmsg_len - (void *)attr;
if (libbpf_nla_parse(tb, NLMSGERR_ATTR_MAX, attr, alen,
extack_policy) != 0) {