diff options
Diffstat (limited to 'openbsc/src/gprs/gprs_sgsn.c')
| -rw-r--r-- | openbsc/src/gprs/gprs_sgsn.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/openbsc/src/gprs/gprs_sgsn.c b/openbsc/src/gprs/gprs_sgsn.c index 0c15619b5..4e5163200 100644 --- a/openbsc/src/gprs/gprs_sgsn.c +++ b/openbsc/src/gprs/gprs_sgsn.c @@ -359,15 +359,23 @@ uint32_t sgsn_alloc_ptmsi(void) { struct sgsn_mm_ctx *mm; uint32_t ptmsi; + int max_retries = 23; restart: ptmsi = rand() | 0xC0000000; llist_for_each_entry(mm, &sgsn_mm_ctxts, list) { - if (mm->p_tmsi == ptmsi) + if (mm->p_tmsi == ptmsi) { + if (!max_retries--) + goto failed; goto restart; + } } return ptmsi; + +failed: + LOGP(DGPRS, LOGL_ERROR, "Failed to allocate a P-TMSI\n"); + return GSM_RESERVED_TMSI; } static void drop_one_pdp(struct sgsn_pdp_ctx *pdp) |