Re: [PATCH v6 3/8] interconnect: Add debugfs support

From: Georgi Djakov
Date: Fri Jul 20 2018 - 10:36:08 EST


Hi Greg,

On 15.07.18 Ð. 15:15, Greg KH wrote:
> On Mon, Jul 09, 2018 at 06:50:59PM +0300, Georgi Djakov wrote:
>> +static int __init icc_debugfs_init(void)
>> +{
>> + struct dentry *file;
>> +
>> + icc_debugfs_dir = debugfs_create_dir("interconnect", NULL);
>> + if (!icc_debugfs_dir) {
>> + pr_err("interconnect: error creating debugfs directory\n");
>> + return -ENODEV;
>> + }
>
> You should never care about the return value of a debugfs call. Just
> ignore it and move on.

Ok!

>> + file = debugfs_create_file("interconnect_summary", 0444,
>> + icc_debugfs_dir, NULL, &icc_summary_fops);
>> + if (!file)
>> + return -ENODEV;
>
> Again, do not check this.
>
> Where do you remove this directory and file from the system when the
> code shuts down?

Will take care of this! Thanks for the feedback!

Georgi