[SCSI] st: convert cross_eof to use st_scsi_kern_execute

This replaces st_do_scsi in cross_eof (SPACE) with
st_scsi_kern_execute.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Kai Makisara <Kai.Makisara@kolumbus.fi>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

1 files changed, 14 insertions, 7 deletions

diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c
index 2cfa17a2eac..34630a611f6 100644
--- a/drivers/scsi/st.c
+++ b/drivers/scsi/st.c
@@ -627,6 +627,7 @@ static int cross_eof(struct scsi_tape * STp, int forward)
 {
         struct st_request *SRpnt;
         unsigned char cmd[MAX_COMMAND_SIZE];
+        int ret;
 
         cmd[0] = SPACE;
         cmd[1] = 0x01;          /* Space FileMarks */
@@ -640,20 +641,26 @@ static int cross_eof(struct scsi_tape * STp, int forward)
         DEBC(printk(ST_DEB_MSG "%s: Stepping over filemark %s.\n",
                    tape_name(STp), forward ? "forward" : "backward"));
 
-        SRpnt = st_do_scsi(NULL, STp, cmd, 0, DMA_NONE,
-                           STp->device->request_queue->rq_timeout,
-                           MAX_RETRIES, 1);
+        SRpnt = st_allocate_request(STp);
         if (!SRpnt)
-                return (STp->buffer)->syscall_result;
+                return STp->buffer->syscall_result;
 
-        st_release_request(SRpnt);
-        SRpnt = NULL;
+        ret = st_scsi_kern_execute(SRpnt, cmd, DMA_NONE, NULL, 0,
+                                   STp->device->request_queue->rq_timeout,
+                                   MAX_RETRIES);
+        if (ret)
+                goto out;
+
+        ret = STp->buffer->syscall_result;
 
         if ((STp->buffer)->cmdstat.midlevel_result != 0)
                 printk(KERN_ERR "%s: Stepping over filemark %s failed.\n",
                    tape_name(STp), forward ? "forward" : "backward");
 
-        return (STp->buffer)->syscall_result;
+out:
+        st_release_request(SRpnt);
+
+        return ret;
 }