Re: [PATCH 2/3] sysfs: remove error messages for -EEXIST case

From: David Miller
Date: Thu May 15 2008 - 04:01:57 EST


From: Cornelia Huck <cornelia.huck@xxxxxxxxxx>
Date: Thu, 15 May 2008 09:52:46 +0200

> > int sysfs_add_one(struct sysfs_addrm_cxt *acxt, struct sysfs_dirent *sd)
> > {
> > - if (sysfs_find_dirent(acxt->parent_sd, sd->s_name)) {
> > - printk(KERN_WARNING "sysfs: duplicate filename '%s' "
> > - "can not be created\n", sd->s_name);
> > - WARN_ON(1);
> > + if (sysfs_find_dirent(acxt->parent_sd, sd->s_name))
> > return -EEXIST;
> > - }
> >
> > sd->s_parent = sysfs_get(acxt->parent_sd);
>
> ...but this will cause many useful warnings to disappear.
>
> What to do here?

Make a __sysfs_add_one() that doesn't warn. Make
sysfs_add_one() be a wrapper around __sysfs_add_one()
that warns.

Change networking to call __sysfs_add_one().

Repeat and rinse up the call chain, as needed.

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