---
src/tty-ask-password-agent/tty-ask-password-agent.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/src/tty-ask-password-agent/tty-ask-password-agent.c
b/src/tty-ask-password-agent/tty-ask-password-agent.c
index e6dc84b..7d11e47 100644
--- a/src/tty-ask-password-agent/tty-ask-password-agent.c
+++ b/src/tty-ask-password-agent/tty-ask-password-agent.c
@@ -376,7 +376,10 @@ static int wall_tty_block(void) {
return -ENOMEM;
mkdir_parents_label(p, 0700);
- mkfifo(p, 0600);
+
+ r = mkfifo(p, 0600);
+ if (r < 0 && errno != EEXIST)
+ return -errno;
fd = open(p, O_RDONLY|O_CLOEXEC|O_NONBLOCK|O_NOCTTY);
if (fd < 0)
--
2.1.0
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