From: Akinobu Mita <akinobu.mita@gmail.com>
Date: Fri, 15 Dec 2006 21:08:51 +0000 (-0800)
Subject: [PATCH] ata: fix platform_device_register_simple() error check
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=9825d73ceb6cad9b9c2ee2dc2971b58dbe8623cd;p=linux.git

[PATCH] ata: fix platform_device_register_simple() error check

The return value of platform_device_register_simple() should be checked
by IS_ERR().

Cc: Jeff Garzik <jgarzik@pobox.com>
Acked-by: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
---

diff --git a/drivers/ata/pata_legacy.c b/drivers/ata/pata_legacy.c
index c7d1738e4e696..e7bf9d89c8ee3 100644
--- a/drivers/ata/pata_legacy.c
+++ b/drivers/ata/pata_legacy.c
@@ -698,8 +698,10 @@ static __init int legacy_init_one(int port, unsigned long io, unsigned long ctrl
 		goto fail_io;
 
 	pdev = platform_device_register_simple(DRV_NAME, nr_legacy_host, NULL, 0);
-	if (pdev == NULL)
+	if (IS_ERR(pdev)) {
+		ret = PTR_ERR(pdev);
 		goto fail_dev;
+	}
 
 	if (ht6560a & mask) {
 		ops = &ht6560a_port_ops;
diff --git a/drivers/ata/pata_qdi.c b/drivers/ata/pata_qdi.c
index 36f621abc3907..afc0d990e7d6d 100644
--- a/drivers/ata/pata_qdi.c
+++ b/drivers/ata/pata_qdi.c
@@ -247,8 +247,8 @@ static __init int qdi_init_one(unsigned long port, int type, unsigned long io, i
 	 */
 
 	pdev = platform_device_register_simple(DRV_NAME, nr_qdi_host, NULL, 0);
-	if (pdev == NULL)
-		return -ENOMEM;
+	if (IS_ERR(pdev))
+		return PTR_ERR(pdev);
 
 	memset(&ae, 0, sizeof(struct ata_probe_ent));
 	INIT_LIST_HEAD(&ae.node);
diff --git a/drivers/ata/pata_winbond.c b/drivers/ata/pata_winbond.c
index 3ea345cde52ed..5d1f518e1cc7a 100644
--- a/drivers/ata/pata_winbond.c
+++ b/drivers/ata/pata_winbond.c
@@ -206,8 +206,8 @@ static __init int winbond_init_one(unsigned long port)
 			 */
 
 			pdev = platform_device_register_simple(DRV_NAME, nr_winbond_host, NULL, 0);
-			if (pdev == NULL)
-				return -ENOMEM;
+			if (IS_ERR(pdev))
+				return PTR_ERR(pdev);
 
 			memset(&ae, 0, sizeof(struct ata_probe_ent));
 			INIT_LIST_HEAD(&ae.node);