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Diffstat (limited to 'linuxthreads_db/td_ta_get_nthreads.c')
-rw-r--r--linuxthreads_db/td_ta_get_nthreads.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/linuxthreads_db/td_ta_get_nthreads.c b/linuxthreads_db/td_ta_get_nthreads.c
index 13d50329c1..9396250534 100644
--- a/linuxthreads_db/td_ta_get_nthreads.c
+++ b/linuxthreads_db/td_ta_get_nthreads.c
@@ -28,6 +28,10 @@ td_ta_get_nthreads (const td_thragent_t *ta, int *np)
LOG (__FUNCTION__);
+ /* Test whether the TA parameter is ok. */
+ if (! ta_ok (ta))
+ return TD_BADTA;
+
/* Access the variable `__pthread_handles_num'. */
if (ps_pglobal_lookup (ta->ph, LIBPTHREAD_SO, "__pthread_handles_num",
&addr) != PS_OK)