[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>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/ata/pata_qdi.c b/drivers/ata/pata_qdi.c
index 36f621abc390..afc0d990e7d6 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);