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Subject[PATCH -next, v3 1/2] audit: use struct_size() helper in audit_[send|make]_reply()
Date
Make use of struct_size() helper instead of an open-coded calculation.

Link: https://github.com/KSPP/linux/issues/160
Signed-off-by: Xiu Jianfeng <xiujianfeng@huawei.com>
---
kernel/audit.c | 2 +-
kernel/auditfilter.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/audit.c b/kernel/audit.c
index f33028578c60..7778eca34837 100644
--- a/kernel/audit.c
+++ b/kernel/audit.c
@@ -1459,7 +1459,7 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
security_release_secctx(ctx, len);
}
audit_send_reply(skb, seq, AUDIT_SIGNAL_INFO, 0, 0,
- sig_data, sizeof(*sig_data) + len);
+ sig_data, struct_size(sig_data, ctx, len));
kfree(sig_data);
break;
case AUDIT_TTY_GET: {
diff --git a/kernel/auditfilter.c b/kernel/auditfilter.c
index 19352820b274..42d99896e7a6 100644
--- a/kernel/auditfilter.c
+++ b/kernel/auditfilter.c
@@ -1092,7 +1092,7 @@ static void audit_list_rules(int seq, struct sk_buff_head *q)
break;
skb = audit_make_reply(seq, AUDIT_LIST_RULES, 0, 1,
data,
- sizeof(*data) + data->buflen);
+ struct_size(data, buf, data->buflen));
if (skb)
skb_queue_tail(q, skb);
kfree(data);
--
2.17.1
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