libosmo-mgcp: always check result of msgb_printf() in add_fmtp()
Change-Id: I218ac21612116366eabd0c75ce3648bad4e27abf
diff --git a/src/libosmo-mgcp/mgcp_sdp.c b/src/libosmo-mgcp/mgcp_sdp.c
index a7478ad..5fa6bdb 100644
--- a/src/libosmo-mgcp/mgcp_sdp.c
+++ b/src/libosmo-mgcp/mgcp_sdp.c
@@ -478,6 +478,8 @@
for (i = 0; i < fmtp_params_len; i++) {
rc = msgb_printf(sdp, "a=fmtp:%u", fmtp_params[i].payload_type);
+ if (rc < 0)
+ return -EINVAL;
/* Add amr octet align parameter */
if (fmtp_params[i].param.amr_octet_aligned_present) {