1 files changed, 22 insertions, 1 deletions

diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c
index 28057747c1f8..2b33c129740b 100644
--- a/drivers/ide/ide-io.c
+++ b/drivers/ide/ide-io.c
@@ -766,6 +766,18 @@ static ide_startstop_t execute_drive_cmd (ide_drive_t *drive,
         return ide_stopped;
 }
 
+static ide_startstop_t ide_special_rq(ide_drive_t *drive, struct request *rq)
+{
+        switch (rq->cmd[0]) {
+        case REQ_DRIVE_RESET:
+                return ide_do_reset(drive);
+        default:
+                blk_dump_rq_flags(rq, "ide_special_rq - bad request");
+                ide_end_request(drive, 0, 0);
+                return ide_stopped;
+        }
+}
+
 static void ide_check_pm_state(ide_drive_t *drive, struct request *rq)
 {
         struct request_pm_state *pm = rq->data;
@@ -869,7 +881,16 @@ static ide_startstop_t start_request (ide_drive_t *drive, struct request *rq)
                             pm->pm_step == ide_pm_state_completed)
                                 ide_complete_pm_request(drive, rq);
                         return startstop;
-                }
+                } else if (!rq->rq_disk && blk_special_request(rq))
+                        /*
+                         * TODO: Once all ULDs have been modified to
+                         * check for specific op codes rather than
+                         * blindly accepting any special request, the
+                         * check for ->rq_disk above may be replaced
+                         * by a more suitable mechanism or even
+                         * dropped entirely.
+                         */
+                        return ide_special_rq(drive, rq);
 
                 drv = *(ide_driver_t **)rq->rq_disk->private_data;
                 return drv->do_request(drive, rq, block);