gtpie_decaps: const-ify pointer to input packet data
Change-Id: Ia048abcd80f29581c6ac02cd7f534f2617005671
diff --git a/gtp/gtpie.c b/gtp/gtpie.c
index 4cfb373..6ffa184 100644
--- a/gtp/gtpie.c
+++ b/gtp/gtpie.c
@@ -304,13 +304,13 @@
* \param[in] pack Pointer to raw GTP packet (payload part)
* \param[in] len Length of \a pack in bytes
* \returns 0 on sucess; EOF in case IE not found */
-int gtpie_decaps(union gtpie_member *ie[], int version, void *pack,
+int gtpie_decaps(union gtpie_member *ie[], int version, const void *pack,
unsigned len)
{
int i;
int j = 0;
- unsigned char *p;
- unsigned char *end;
+ const unsigned char *p;
+ const unsigned char *end;
end = (unsigned char *)pack + len;
p = pack;