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-rw-r--r--dhcp.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/dhcp.c b/dhcp.c
index 401cb5b..4a209f1 100644
--- a/dhcp.c
+++ b/dhcp.c
@@ -64,9 +64,9 @@ static struct opt opts[255];
#define OPT_MIN 60 /* RFC 951 */
/* Total option size (excluding end option) is 576 (RFC 2131), minus
- * offset of options (268), minus end option and its length (2).
+ * offset of options (268), minus end option (1).
*/
-#define OPT_MAX 306
+#define OPT_MAX 307
/**
* dhcp_init() - Initialise DHCP options
@@ -127,7 +127,7 @@ struct msg {
uint8_t sname[64];
uint8_t file[128];
uint32_t magic;
- uint8_t o[OPT_MAX + 2 /* End option and its length */ ];
+ uint8_t o[OPT_MAX + 1 /* End option */ ];
} __attribute__((__packed__));
/**
@@ -194,7 +194,6 @@ static int fill(struct msg *m)
}
m->o[offset++] = 255;
- m->o[offset++] = 0;
if (offset < OPT_MIN) {
memset(&m->o[offset], 0, OPT_MIN - offset);