sg engine: fix old comment

[fio.git] / engines / sg.c

diff --git a/engines/sg.c b/engines/sg.c
index 44e151b65ead24c0d7ffc6040369f74ad79b2fd6..8856c6f9dc6c98c874c0a51dcd90daf51fadfacf 100644 (file)
--- a/engines/sg.c
+++ b/engines/sg.c
@@ -65,15 +65,11 @@ static int pollin_events(struct pollfd *pfds, int fds)
 static int fio_sgio_getevents(struct thread_data *td, int min, int max,
                              struct timespec fio_unused *t)
 {
-       /*
-        * normally hard coding &td->files[0] is a bug that needs to be fixed,
-        * but it's ok here as all files should point to the same device.
-        */
-       struct fio_file *f = &td->files[0];
        struct sgio_data *sd = td->io_ops->data;
        int left = max, ret, r = 0;
        void *buf = sd->sgbuf;
        unsigned int i, events;
+       struct fio_file *f;
 
        /*
         * Fill in the file descriptors
@@ -390,7 +386,7 @@ static int fio_sgio_open(struct thread_data *td, struct fio_file *f)
        if (ret)
                return ret;
 
-       if (!sd->type_checked && fio_sgio_type_check(td, f)) {
+       if (sd && !sd->type_checked && fio_sgio_type_check(td, f)) {
                generic_close_file(td, f);
                return 1;
        }