[PATCH net-next] genetlink: constify genl_err_attr() argument

[Michal Kubecek]

genl_err_attr() sets netlink_ext_ack::bad_attr which is a pointer to const
struct nlattr so make the attr argument also const.

Signed-off-by: Michal Kubecek <mkubecek@xxxxxxx>
---
 include/net/genetlink.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/net/genetlink.h b/include/net/genetlink.h
index decf6012a401..aa2e5888f18d 100644
--- a/include/net/genetlink.h
+++ b/include/net/genetlink.h
@@ -112,7 +112,7 @@ static inline void genl_info_net_set(struct genl_info *info, struct net *net)
 #define GENL_SET_ERR_MSG(info, msg) NL_SET_ERR_MSG((info)->extack, msg)
 
 static inline int genl_err_attr(struct genl_info *info, int err,
-				struct nlattr *attr)
+				const struct nlattr *attr)
 {
 	info->extack->bad_attr = attr;
 
-- 
2.18.0