[SCSI] st: remove unused orig_frp_segs
orig_frp_segs in struct st_buffer is always zero. We don't need it.
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 22ddca8..50dbe14 100644
--- a/drivers/scsi/st.c
+++ b/drivers/scsi/st.c
@@ -3749,7 +3749,7 @@
printk(KERN_NOTICE "st: Can't allocate new tape buffer.\n");
return NULL;
}
- tb->frp_segs = tb->orig_frp_segs = 0;
+ tb->frp_segs = 0;
tb->use_sg = max_sg;
tb->dma = need_dma;
tb->buffer_size = 0;
@@ -3839,11 +3839,11 @@
{
int i, order = STbuffer->map_data.page_order;
- for (i = STbuffer->orig_frp_segs; i < STbuffer->frp_segs; i++) {
+ for (i = 0; i < STbuffer->frp_segs; i++) {
__free_pages(STbuffer->reserved_pages[i], order);
STbuffer->buffer_size -= (PAGE_SIZE << order);
}
- STbuffer->frp_segs = STbuffer->orig_frp_segs;
+ STbuffer->frp_segs = 0;
STbuffer->frp_sg_current = 0;
STbuffer->sg_segs = 0;
STbuffer->map_data.page_order = 0;
@@ -4304,7 +4304,6 @@
tpnt->device = NULL;
if (tpnt->buffer) {
- tpnt->buffer->orig_frp_segs = 0;
normalize_buffer(tpnt->buffer);
kfree(tpnt->buffer->reserved_pages);
kfree(tpnt->buffer);