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-rw-r--r--sysdeps/unix/sysv/linux/mq_notify.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/sysdeps/unix/sysv/linux/mq_notify.c b/sysdeps/unix/sysv/linux/mq_notify.c
index 9799dcdaa4..eccae2e4c6 100644
--- a/sysdeps/unix/sysv/linux/mq_notify.c
+++ b/sysdeps/unix/sysv/linux/mq_notify.c
@@ -131,7 +131,7 @@ helper_thread (void *arg)
 	       to wait until it is done with it.  */
 	    (void) __pthread_barrier_wait (&notify_barrier);
 	}
-      else if (data.raw[NOTIFY_COOKIE_LEN - 1] == NOTIFY_REMOVED)
+      else if (data.raw[NOTIFY_COOKIE_LEN - 1] == NOTIFY_REMOVED && data.attr != NULL)
 	{
 	  /* The only state we keep is the copy of the thread attributes.  */
 	  __pthread_attr_destroy (data.attr);