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-rw-r--r--net/bootp.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/bootp.c b/net/bootp.c
index c15472f5d37..86c56803c76 100644
--- a/net/bootp.c
+++ b/net/bootp.c
@@ -886,7 +886,7 @@ static void dhcp_process_options(uchar *popt, uchar *end)
case 40: /* NIS Domain name */
if (net_nis_domain[0] == 0) {
size = truncate_sz("NIS Domain Name",
- sizeof(net_nis_domain), size);
+ sizeof(net_nis_domain), oplen);
memcpy(&net_nis_domain, popt + 2, size);
net_nis_domain[size] = 0;
}