[SCSI] st: convert write_mode_page to use st_scsi_kern_execute
This replaces st_do_scsi in write_mode_page (MODE_SELECT) 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>
diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c
index 1951fb4..09d06bd 100644
--- a/drivers/scsi/st.c
+++ b/drivers/scsi/st.c
@@ -2399,9 +2399,9 @@
in the buffer is correctly formatted. The long timeout is used if slow is non-zero. */
static int write_mode_page(struct scsi_tape *STp, int page, int slow)
{
- int pgo;
+ int pgo, timeout, ret = 0;
unsigned char cmd[MAX_COMMAND_SIZE];
- struct st_request *SRpnt = NULL;
+ struct st_request *SRpnt;
memset(cmd, 0, MAX_COMMAND_SIZE);
cmd[0] = MODE_SELECT;
@@ -2415,14 +2415,21 @@
(STp->buffer)->b_data[MH_OFF_DEV_SPECIFIC] &= ~MH_BIT_WP;
(STp->buffer)->b_data[pgo + MP_OFF_PAGE_NBR] &= MP_MSK_PAGE_NBR;
- SRpnt = st_do_scsi(SRpnt, STp, cmd, cmd[4], DMA_TO_DEVICE,
- (slow ? STp->long_timeout : STp->device->request_queue->rq_timeout), 0, 1);
- if (SRpnt == NULL)
- return (STp->buffer)->syscall_result;
+ SRpnt = st_allocate_request(STp);
+ if (!SRpnt)
+ return ret;
+
+ timeout = slow ? STp->long_timeout :
+ STp->device->request_queue->rq_timeout;
+
+ ret = st_scsi_kern_execute(SRpnt, cmd, DMA_TO_DEVICE,
+ STp->buffer->b_data, cmd[4], timeout, 0);
+ if (!ret)
+ ret = STp->buffer->syscall_result;
st_release_request(SRpnt);
- return (STp->buffer)->syscall_result;
+ return ret;
}