c2port: fix device_create() return value check

Use IS_ERR() instead of comparing to NULL.

[akpm@linux-foundation.org: preserve the error code]
Signed-off-by: Jani Nikula <ext-jani.1.nikula@nokia.com>
Cc: Vegard Nossum <vegard.nossum@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/misc/c2port/core.c b/drivers/misc/c2port/core.c
index b5346b4db91a2021d43c470b09bd53fbdc7a4170..b7a85f46a6c2c913d7dc39b8c563daef27ded8d0 100644 (file)
--- a/drivers/misc/c2port/core.c
+++ b/drivers/misc/c2port/core.c
@@ -912,8 +912,8 @@ struct c2port_device *c2port_device_register(char *name,
 
        c2dev->dev = device_create(c2port_class, NULL, 0, c2dev,
                                        "c2port%d", id);
-       if (unlikely(!c2dev->dev)) {
-               ret = -ENOMEM;
+       if (unlikely(IS_ERR(c2dev->dev))) {
+               ret = PTR_ERR(c2dev->dev);
                goto error_device_create;
        }
        dev_set_drvdata(c2dev->dev, c2dev);