eio: fix pointer comparison.

Fix a warning on dragonfly.

Signed-off-by: Cedric BAIL <cedric@osg.samsung.com>

diff --git a/src/lib/eio/eio_monitor_kevent.c b/src/lib/eio/eio_monitor_kevent.c
index 753726b..78be0ee 100644 (file)
--- a/src/lib/eio/eio_monitor_kevent.c
+++ b/src/lib/eio/eio_monitor_kevent.c
@@ -103,7 +103,7 @@ void eio_monitor_backend_init(void)
 {
    int fd;
 
-   if (_kqueue_fd > 0) return; // already initialized
+   if (_kqueue_fd != NULL) return; // already initialized
 
    fd = kqueue();
    if (fd < 0) return;