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-rw-r--r--drivers/scsi/st.c22
1 files changed, 2 insertions, 20 deletions
diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c
index 770c432..dd592f6 100644
--- a/drivers/scsi/st.c
+++ b/drivers/scsi/st.c
@@ -4194,27 +4194,10 @@ static void st_intr(struct scsi_cmnd *SCpnt)
*/
static int st_init_command(struct scsi_cmnd *SCpnt)
{
- struct request *rq;
-
if (!(SCpnt->request->flags & REQ_BLOCK_PC))
return 0;
- rq = SCpnt->request;
- if (sizeof(rq->cmd) > sizeof(SCpnt->cmnd))
- return 0;
-
- memcpy(SCpnt->cmnd, rq->cmd, sizeof(SCpnt->cmnd));
- SCpnt->cmd_len = rq->cmd_len;
-
- if (rq_data_dir(rq) == WRITE)
- SCpnt->sc_data_direction = DMA_TO_DEVICE;
- else if (rq->data_len)
- SCpnt->sc_data_direction = DMA_FROM_DEVICE;
- else
- SCpnt->sc_data_direction = DMA_NONE;
-
- SCpnt->timeout_per_command = rq->timeout;
- SCpnt->transfersize = rq->data_len;
+ scsi_setup_blk_pc_cmnd(SCpnt, 0);
SCpnt->done = st_intr;
return 1;
}
@@ -4509,6 +4492,7 @@ static int sgl_map_user_pages(struct scatterlist *sgl, const unsigned int max_pa
if (res > 0) {
for (j=0; j < res; j++)
page_cache_release(pages[j]);
+ res = 0;
}
kfree(pages);
return res;
@@ -4524,8 +4508,6 @@ static int sgl_unmap_user_pages(struct scatterlist *sgl, const unsigned int nr_p
for (i=0; i < nr_pages; i++) {
struct page *page = sgl[i].page;
- /* XXX: just for debug. Remove when PageReserved is removed */
- BUG_ON(PageReserved(page));
if (dirtied)
SetPageDirty(page);
/* FIXME: cache flush missing for rw==READ
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