ide-cd: factor out request sense fixup from cdrom_pc_intr()

This is a preparation for cdrom_pc_intr() and cdrom_newpc_intr() merge.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index 44267fb..7eb1aa6 100644 (file)
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -1047,6 +1047,20 @@ static ide_startstop_t cdrom_start_read (ide_drive_t *drive, unsigned int block)
  * Execute all other packet commands.
  */
 
+static void ide_cd_request_sense_fixup(struct request *rq)
+{
+       /*
+        * Some of the trailing request sense fields are optional,
+        * and some drives don't send them.  Sigh.
+        */
+       if (rq->cmd[0] == GPCMD_REQUEST_SENSE &&
+           rq->data_len > 0 && rq->data_len <= 5)
+               while (rq->data_len > 0) {
+                       *(u8 *)rq->data++ = 0;
+                       --rq->data_len;
+               }
+}
+
 /* Interrupt routine for packet command completion. */
 static ide_startstop_t cdrom_pc_intr (ide_drive_t *drive)
 {
@@ -1069,16 +1083,7 @@ static ide_startstop_t cdrom_pc_intr (ide_drive_t *drive)
        /* If DRQ is clear, the command has completed.
           Complain if we still have data left to transfer. */
        if ((stat & DRQ_STAT) == 0) {
-               /* Some of the trailing request sense fields are optional, and
-                  some drives don't send them.  Sigh. */
-               if (rq->cmd[0] == GPCMD_REQUEST_SENSE &&
-                   rq->data_len > 0 &&
-                   rq->data_len <= 5) {
-                       while (rq->data_len > 0) {
-                               *(unsigned char *)rq->data++ = 0;
-                               --rq->data_len;
-                       }
-               }
+               ide_cd_request_sense_fixup(rq);
 
                if (rq->data_len == 0)
                        cdrom_end_request(drive, 1);