jail: Fix FD check in stdin

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

diff --git a/src/libpakfire/jail.c b/src/libpakfire/jail.c
index 5d091c58c7dc5f699033fb59ceb2629c284b8ecf..ed1223d65153953694d045539bfa6349db915cf9 100644 (file)
--- a/src/libpakfire/jail.c
+++ b/src/libpakfire/jail.c
@@ -655,7 +655,7 @@ static int pakfire_jail_stream_stdin(struct pakfire_jail* jail,
        }
 
        // Skip if the writing pipe has already been closed
-       if (!ctx->pipes.stdin[1])
+       if (ctx->pipes.stdin[1] < 0)
                return 0;
 
        DEBUG(jail->pakfire, "Streaming standard input...\n");