From 8bca98cabf6db738b06d6f3b6d4b6c5f2a5cb7b6 Mon Sep 17 00:00:00 2001
From: Akinobu Mita <akinobu.mita@gmail.com>
Date: Wed, 6 Dec 2006 20:36:43 -0800
Subject: [PATCH] [PATCH] paride: return proper error code

This patch makes module init return proper value instead of -1 (-EPERM).

Cc: Tim Waugh <tim@cyberelk.net>
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
 drivers/block/paride/pcd.c | 8 ++++----
 drivers/block/paride/pf.c  | 8 ++++----
 drivers/block/paride/pg.c  | 4 ++--
 drivers/block/paride/pt.c  | 4 ++--
 4 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/drivers/block/paride/pcd.c b/drivers/block/paride/pcd.c
index ac5ba462710b..c852eed91e4b 100644
--- a/drivers/block/paride/pcd.c
+++ b/drivers/block/paride/pcd.c
@@ -912,12 +912,12 @@ static int __init pcd_init(void)
 	int unit;
 
 	if (disable)
-		return -1;
+		return -EINVAL;
 
 	pcd_init_units();
 
 	if (pcd_detect())
-		return -1;
+		return -ENODEV;
 
 	/* get the atapi capabilities page */
 	pcd_probe_capabilities();
@@ -925,7 +925,7 @@ static int __init pcd_init(void)
 	if (register_blkdev(major, name)) {
 		for (unit = 0, cd = pcd; unit < PCD_UNITS; unit++, cd++)
 			put_disk(cd->disk);
-		return -1;
+		return -EBUSY;
 	}
 
 	pcd_queue = blk_init_queue(do_pcd_request, &pcd_lock);
@@ -933,7 +933,7 @@ static int __init pcd_init(void)
 		unregister_blkdev(major, name);
 		for (unit = 0, cd = pcd; unit < PCD_UNITS; unit++, cd++)
 			put_disk(cd->disk);
-		return -1;
+		return -ENOMEM;
 	}
 
 	for (unit = 0, cd = pcd; unit < PCD_UNITS; unit++, cd++) {
diff --git a/drivers/block/paride/pf.c b/drivers/block/paride/pf.c
index 1a9dee19efcf..7cdaa1951260 100644
--- a/drivers/block/paride/pf.c
+++ b/drivers/block/paride/pf.c
@@ -933,25 +933,25 @@ static int __init pf_init(void)
 	int unit;
 
 	if (disable)
-		return -1;
+		return -EINVAL;
 
 	pf_init_units();
 
 	if (pf_detect())
-		return -1;
+		return -ENODEV;
 	pf_busy = 0;
 
 	if (register_blkdev(major, name)) {
 		for (pf = units, unit = 0; unit < PF_UNITS; pf++, unit++)
 			put_disk(pf->disk);
-		return -1;
+		return -EBUSY;
 	}
 	pf_queue = blk_init_queue(do_pf_request, &pf_spin_lock);
 	if (!pf_queue) {
 		unregister_blkdev(major, name);
 		for (pf = units, unit = 0; unit < PF_UNITS; pf++, unit++)
 			put_disk(pf->disk);
-		return -1;
+		return -ENOMEM;
 	}
 
 	blk_queue_max_phys_segments(pf_queue, cluster);
diff --git a/drivers/block/paride/pg.c b/drivers/block/paride/pg.c
index 13f998aa1cd3..9970aedbb5d9 100644
--- a/drivers/block/paride/pg.c
+++ b/drivers/block/paride/pg.c
@@ -646,14 +646,14 @@ static int __init pg_init(void)
 	int err;
 
 	if (disable){
-		err = -1;
+		err = -EINVAL;
 		goto out;
 	}
 
 	pg_init_units();
 
 	if (pg_detect()) {
-		err = -1;
+		err = -ENODEV;
 		goto out;
 	}
 
diff --git a/drivers/block/paride/pt.c b/drivers/block/paride/pt.c
index 35fb26636721..c902b25e4869 100644
--- a/drivers/block/paride/pt.c
+++ b/drivers/block/paride/pt.c
@@ -946,12 +946,12 @@ static int __init pt_init(void)
 	int err;
 
 	if (disable) {
-		err = -1;
+		err = -EINVAL;
 		goto out;
 	}
 
 	if (pt_detect()) {
-		err = -1;
+		err = -ENODEV;
 		goto out;
 	}