gtp: Make peer addr const in gtp_req/gtp_resp

Change-Id: I955b82ba8022754c3d23979d5c55bb61233047b1
---
M gtp/gtp.c
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/gtp/gtp.c b/gtp/gtp.c
index 02cf8a3..3b32229 100644
--- a/gtp/gtp.c
+++ b/gtp/gtp.c
@@ -341,7 +341,7 @@
 
 static int gtp_req(struct gsn_t *gsn, uint8_t version, struct pdp_t *pdp,
 	    union gtp_packet *packet, int len,
-	    struct in_addr *inetaddr, void *cbp)
+	    const struct in_addr *inetaddr, void *cbp)
 {
 	uint8_t ver = GTPHDR_F_GET_VER(packet->flags);
 	struct sockaddr_in addr;
@@ -488,7 +488,7 @@
 	}
 
 	if (sendto(fd, packet, len, 0,
-		   (struct sockaddr *)peer, sizeof(struct sockaddr_in)) < 0) {
+		   (const struct sockaddr *)peer, sizeof(struct sockaddr_in)) < 0) {
 		rate_ctr_inc2(gsn->ctrg, GSN_CTR_ERR_SENDTO);
 		LOGP(DLGTP, LOGL_ERROR,
 			"Sendto(fd=%d, msg=%lx, len=%d) failed: Error = %s\n", fd,

