From d39849ddcd57661bdbfbbb7f1af89160e26a995c Mon Sep 17 00:00:00 2001
From: Volker Lendecke <vl@samba.org>
Date: Sat, 14 Feb 2009 17:38:05 +0100
Subject: [PATCH] Fix a warning and a bug: pipe(2) can fail

---
 lib/tevent/tevent_signal.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/tevent/tevent_signal.c b/lib/tevent/tevent_signal.c
index b87c212402b..f71d9b36b0e 100644
--- a/lib/tevent/tevent_signal.c
+++ b/lib/tevent/tevent_signal.c
@@ -255,7 +255,10 @@ struct tevent_signal *tevent_common_add_signal(struct tevent_context *ev,
 	if (ev->pipe_fde == NULL) {
 		if (sig_state->pipe_hack[0] == 0 && 
 		    sig_state->pipe_hack[1] == 0) {
-			pipe(sig_state->pipe_hack);
+			if (pipe(sig_state->pipe_hack) == -1) {
+				talloc_free(se);
+				return NULL;
+			}
 			ev_set_blocking(sig_state->pipe_hack[0], false);
 			ev_set_blocking(sig_state->pipe_hack[1], false);
 		}
-- 
2.34.1