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debugfs: make error message a bit more verbose
When a file/directory is already present in debugfs, and it is attempted to be created again, be more specific about what file/directory is being created and where it is trying to be created to give a bit more help to developers to figure out the problem. Cc: Stephen Rothwell <sfr@canb.auug.org.au> Cc: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Cc: Mark Brown <broonie@kernel.org> Cc: Takashi Iwai <tiwai@suse.de> Reviewed-by: Mark Brown <broonie@kernel.org> Link: https://lore.kernel.org/r/20190706154256.GA2683@kroah.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -311,8 +311,13 @@ static struct dentry *start_creating(const char *name, struct dentry *parent)
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inode_lock(d_inode(parent));
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dentry = lookup_one_len(name, parent, strlen(name));
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if (!IS_ERR(dentry) && d_really_is_positive(dentry)) {
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if (d_is_dir(dentry))
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pr_err("Directory '%s' with parent '%s' already present!\n",
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name, parent->d_name.name);
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else
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pr_err("File '%s' in directory '%s' already present!\n",
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name, parent->d_name.name);
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dput(dentry);
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pr_err("File '%s' already present!\n", name);
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dentry = ERR_PTR(-EEXIST);
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}
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