[systemd-devel] [PATCH 2/2] tty-ask-password-agent: fix CID 996261

[Susant Sahani]

---
 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