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Commit d66937d7 authored by Zhaolei's avatar Zhaolei Committed by Greg Kroah-Hartman
Browse files

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: default avatarZhao Lei <zhaolei@cn.fujitsu.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 78c73414

drivers/usb/gadget/s3c2410_udc.c

+2 −5
Original line number Diff line number Diff line
@@ -1894,11 +1894,8 @@ static int s3c2410_udc_probe(struct platform_device *pdev) 
		udc->regs_info = debugfs_create_file("registers", S_IRUGO,

				s3c2410_udc_debugfs_root,

				udc, &s3c2410_udc_debugfs_fops);

		if (IS_ERR(udc->regs_info)) {

			dev_warn(dev, "debugfs file creation failed %ld\n",

				 PTR_ERR(udc->regs_info));

			udc->regs_info = NULL;

		}

		if (!udc->regs_info)

			dev_warn(dev, "debugfs file creation failed\n");

	}



	dev_dbg(dev, "probe ok\n");