hurd: Fix hang in _hurd_raise_signal from pthread_kill

When ss is not NULL, it is assumed to be locked.

* hurd/hurd-raise.c (_hurd_raise_signal): Unlock before returning an
error if ss is not NULL.

diff --git a/hurd/hurd-raise.c b/hurd/hurd-raise.c
index af464377b61a4db1b2288b43ed932c01b583622c..865e498bf97709774007553cd9c052822d0395fd 100644 (file)
--- a/hurd/hurd-raise.c
+++ b/hurd/hurd-raise.c
@@ -29,7 +29,11 @@ _hurd_raise_signal (struct hurd_sigstate *ss,
                    int signo, const struct hurd_signal_detail *detail)
 {
   if (signo <= 0 || signo >= NSIG)
-    return EINVAL;
+    {
+      if (ss)
+       __spin_unlock (&ss->lock);
+      return EINVAL;
+    }
 
   if (ss == NULL)
     {