[SCSI] simscsi: use sg buffer copy helper funcitons

This replaces simscsi_fillresult with scsi_sg_copy_from_buffer.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Tony Luck <tony.luck@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

1 files changed, 4 insertions, 19 deletions

diff --git a/arch/ia64/hp/sim/simscsi.c b/arch/ia64/hp/sim/simscsi.c
index 7661bb065fa5..3a078ad3aa44 100644
--- a/arch/ia64/hp/sim/simscsi.c
+++ b/arch/ia64/hp/sim/simscsi.c
@@ -201,22 +201,6 @@ simscsi_readwrite10 (struct scsi_cmnd *sc, int mode)
         simscsi_sg_readwrite(sc, mode, offset);
 }
 
-static void simscsi_fillresult(struct scsi_cmnd *sc, char *buf, unsigned len)
-{
-
-        int i;
-        unsigned thislen;
-        struct scatterlist *slp;
-
-        scsi_for_each_sg(sc, slp, scsi_sg_count(sc), i) {
-                if (!len)
-                        break;
-                thislen = min(len, slp->length);
-                memcpy(sg_virt(slp), buf, thislen);
-                len -= thislen;
-        }
-}
-
 static int
 simscsi_queuecommand (struct scsi_cmnd *sc, void (*done)(struct scsi_cmnd *))
 {
@@ -258,7 +242,7 @@ simscsi_queuecommand (struct scsi_cmnd *sc, void (*done)(struct scsi_cmnd *))
                         buf[6] = 0;     /* reserved */
                         buf[7] = 0;     /* various flags */
                         memcpy(buf + 8, "HP      SIMULATED DISK  0.00",  28);
-                        simscsi_fillresult(sc, buf, 36);
+                        scsi_sg_copy_from_buffer(sc, buf, 36);
                         sc->result = GOOD;
                         break;
 
@@ -306,14 +290,15 @@ simscsi_queuecommand (struct scsi_cmnd *sc, void (*done)(struct scsi_cmnd *))
                         buf[5] = 0;
                         buf[6] = 2;
                         buf[7] = 0;
-                        simscsi_fillresult(sc, buf, 8);
+                        scsi_sg_copy_from_buffer(sc, buf, 8);
                         sc->result = GOOD;
                         break;
 
                       case MODE_SENSE:
                       case MODE_SENSE_10:
                         /* sd.c uses this to determine whether disk does write-caching. */
-                        simscsi_fillresult(sc, (char *)empty_zero_page, scsi_bufflen(sc));
+                        scsi_sg_copy_from_buffer(sc, (char *)empty_zero_page,
+                                                 PAGE_SIZE);
                         sc->result = GOOD;
                         break;