log: fix bad < 0 check for unsigned

[fio.git] / ioengines.c

diff --git a/ioengines.c b/ioengines.c
index 7951ff32e25c3e5090ebbc212731c6e0e86648a4..fb475e9711d6b7fe9ccd6ba4496c9f7b7d64e85e 100644 (file)
--- a/ioengines.c
+++ b/ioengines.c
@@ -194,8 +194,10 @@ void free_ioengine(struct thread_data *td)
                td->eo = NULL;
        }
 
-       if (td->io_ops_dlhandle)
+       if (td->io_ops_dlhandle) {
                dlclose(td->io_ops_dlhandle);
+               td->io_ops_dlhandle = NULL;
+       }
 
        td->io_ops = NULL;
 }
@@ -222,7 +224,8 @@ int td_io_prep(struct thread_data *td, struct io_u *io_u)
        if (td->io_ops->prep) {
                int ret = td->io_ops->prep(td, io_u);
 
-               dprint(FD_IO, "->prep(%p)=%d\n", io_u, ret);
+               dprint(FD_IO, "prep: io_u %p: ret=%d\n", io_u, ret);
+
                if (ret)
                        unlock_file(td, io_u->file);
                return ret;