diff options
| author | Zhaolei <zhaolei@cn.fujitsu.com> | 2008-10-20 18:53:04 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2008-10-22 10:05:27 -0700 |
| commit | d66937d71a67724870e03fa35af686e7efe85caf (patch) | |
| tree | 3f718e0659b093e6064fa15afc4fcb4c3826b257 | |
| parent | 78c73414f4f6744e2ea5a07b263a9698aa6f2416 (diff) | |
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>
| -rw-r--r-- | drivers/usb/gadget/s3c2410_udc.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/usb/gadget/s3c2410_udc.c b/drivers/usb/gadget/s3c2410_udc.c index 48f51b12d2e..00ba06b4475 100644 --- a/drivers/usb/gadget/s3c2410_udc.c +++ b/drivers/usb/gadget/s3c2410_udc.c @@ -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"); |