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-rw-r--r--src/tbf.cpp4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/tbf.cpp b/src/tbf.cpp
index 5987754..42d522b 100644
--- a/src/tbf.cpp
+++ b/src/tbf.cpp
@@ -986,6 +986,8 @@ int gprs_rlcmac_tbf::extract_tlli(const uint8_t *data, const size_t len)
}
old_ms = bts->ms_by_tlli(new_tlli);
+ /* Keep the old MS object for the update_ms() */
+ GprsMs::Guard guard(old_ms);
if (old_ms) {
/* Get them before calling set_ms() */
dl_tbf = old_ms->dl_tbf();
@@ -996,7 +998,7 @@ int gprs_rlcmac_tbf::extract_tlli(const uint8_t *data, const size_t len)
/* there might be an active and valid downlink TBF */
if (!ms()->dl_tbf() && dl_tbf)
- /* Move it to the current MS */
+ /* Move it to the current MS (see the guard above) */
dl_tbf->set_ms(ms());
}