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netlink: Return extack message if attribute validation fails 

Have one extack message for parsing and validating.

Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David Ahern 2018-06-26 12:39:18 -07:00 committed by David S. Miller
parent 8d0752d113
commit 7861552ced
1 changed files with 2 additions and 2 deletions
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4
lib/nlattr.c
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@ -253,8 +253,8 @@ int nla_parse(struct nlattr **tb, int maxtype, const struct nlattr *head,
if (policy) { if (policy) {
err = validate_nla(nla, maxtype, policy); err = validate_nla(nla, maxtype, policy);
if (err < 0) { if (err < 0) {
if (extack) NL_SET_ERR_MSG_ATTR(extack, nla,
extack->bad_attr = nla; "Attribute failed policy validation");
goto errout; goto errout;
} }
} }