Zhaolei d66937d71a USB: Fix debugfs_create_file's error checking method for usb/gadget/s3c2410_udc
debugfs_create_file() returns NULL if an error occurs, returns -ENODEV
when debugfs is not enabled in the kernel.

Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-10-22 10:05:27 -07:00
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