From 89f78b3261f7e331e41753ea2459fbb9b60a6f7a Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Fri, 27 Mar 2009 12:46:43 +0100
Subject: [PATCH] ide: move rq->errors quirk out from ide_end_request()

Move rq->errors quirk out from ide_end_request() to its call sites.

There should be no functional changes caused by this patch.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
 drivers/ide/ide-atapi.c  | 7 ++++++-
 drivers/ide/ide-cd.c     | 3 +++
 drivers/ide/ide-disk.c   | 2 ++
 drivers/ide/ide-eh.c     | 5 ++++-
 drivers/ide/ide-floppy.c | 2 ++
 drivers/ide/ide-io.c     | 5 ++---
 drivers/ide/ide-tape.c   | 2 ++
 7 files changed, 21 insertions(+), 5 deletions(-)

diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c
index 5d57af2..5504a84 100644
--- a/drivers/ide/ide-atapi.c
+++ b/drivers/ide/ide-atapi.c
@@ -405,8 +405,13 @@ static ide_startstop_t ide_pc_intr(ide_drive_t *drive)
 		if (blk_special_request(rq)) {
 			rq->errors = 0;
 			ide_complete_rq(drive, 0);
-		} else
+		} else {
+			if (blk_fs_request(rq) == 0 && uptodate <= 0) {
+				if (rq->errors == 0)
+					rq->errors = -EIO;
+			}
 			ide_end_request(drive, uptodate, 0);
+		}
 
 		return ide_stopped;
 	}
diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index bbbebcb..e4fa807 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -295,6 +295,9 @@ static void cdrom_end_request(ide_drive_t *drive, int uptodate)
 	ide_debug_log(IDE_DBG_FUNC, "uptodate: 0x%x, nsectors: %d",
 				    uptodate, nsectors);
 
+	if (blk_fs_request(rq) == 0 && uptodate <= 0 && rq->errors == 0)
+		rq->errors = -EIO;
+
 	ide_end_request(drive, uptodate, nsectors);
 }
 
diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c
index dae9d98..ad9a3f5 100644
--- a/drivers/ide/ide-disk.c
+++ b/drivers/ide/ide-disk.c
@@ -184,6 +184,8 @@ static ide_startstop_t ide_do_rw_disk(ide_drive_t *drive, struct request *rq,
 
 	if (!blk_fs_request(rq)) {
 		blk_dump_rq_flags(rq, "ide_do_rw_disk - bad command");
+		if (rq->errors == 0)
+			rq->errors = -EIO;
 		ide_end_request(drive, 0, 0);
 		return ide_stopped;
 	}
diff --git a/drivers/ide/ide-eh.c b/drivers/ide/ide-eh.c
index d1385d3..6ad41941 100644
--- a/drivers/ide/ide-eh.c
+++ b/drivers/ide/ide-eh.c
@@ -146,8 +146,11 @@ static inline void ide_complete_drive_reset(ide_drive_t *drive, int err)
 {
 	struct request *rq = drive->hwif->rq;
 
-	if (rq && blk_special_request(rq) && rq->cmd[0] == REQ_DRIVE_RESET)
+	if (rq && blk_special_request(rq) && rq->cmd[0] == REQ_DRIVE_RESET) {
+		if (err <= 0 && rq->errors == 0)
+			rq->errors = -EIO;
 		ide_end_request(drive, err ? err : 1, 0);
+	}
 }
 
 /* needed below */
diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c
index 407e491..572aa96 100644
--- a/drivers/ide/ide-floppy.c
+++ b/drivers/ide/ide-floppy.c
@@ -298,6 +298,8 @@ static ide_startstop_t ide_floppy_do_request(ide_drive_t *drive,
 	return idefloppy_issue_pc(drive, pc);
 out_end:
 	drive->failed_pc = NULL;
+	if (blk_fs_request(rq) == 0 && rq->errors == 0)
+		rq->errors = -EIO;
 	ide_end_request(drive, 0, 0);
 	return ide_stopped;
 }
diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c
index 4cc2bb1..28ac463 100644
--- a/drivers/ide/ide-io.c
+++ b/drivers/ide/ide-io.c
@@ -102,9 +102,6 @@ int ide_end_request (ide_drive_t *drive, int uptodate, int nr_sectors)
 	if (blk_noretry_request(rq) && uptodate <= 0)
 		nr_bytes = rq->hard_nr_sectors << 9;
 
-	if (blk_fs_request(rq) == 0 && uptodate <= 0 && rq->errors == 0)
-		rq->errors = -EIO;
-
 	if (uptodate <= 0)
 		error = uptodate ? uptodate : -EIO;
 
@@ -169,6 +166,8 @@ void ide_kill_rq(ide_drive_t *drive, struct request *rq)
 	} else {
 		if (media == ide_tape)
 			rq->errors = IDE_DRV_ERROR_GENERAL;
+		else if (blk_fs_request(rq) == 0 && rq->errors == 0)
+			rq->errors = -EIO;
 		ide_end_request(drive, 0, 0);
 	}
 }
diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c
index 3bfcd72..94f6fb8 100644
--- a/drivers/ide/ide-tape.c
+++ b/drivers/ide/ide-tape.c
@@ -760,6 +760,8 @@ static ide_startstop_t idetape_do_request(ide_drive_t *drive,
 		/* We do not support buffer cache originated requests. */
 		printk(KERN_NOTICE "ide-tape: %s: Unsupported request in "
 			"request queue (%d)\n", drive->name, rq->cmd_type);
+		if (blk_fs_request(rq) == 0 && rq->errors == 0)
+			rq->errors = -EIO;
 		ide_end_request(drive, 0, 0);
 		return ide_stopped;
 	}
-- 
2.7.4