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Commit ac263d37 authored by Andrey Markovytch's avatar Andrey Markovytch Committed by Gerrit - the friendly Code Review server
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pfk: added some additional debug prints 



Also added useful function for translation between inode to filename

Change-Id: If0d5db3545a71c85223ef53980ee61f9dbd002d9
Signed-off-by: default avatarAndrey Markovytch <andreym@codeaurora.org>
parent 30eb189a

security/pfe/pfk.c

+26 −1
Original line number Diff line number Diff line 
/*

 * Copyright (c) 2015, The Linux Foundation. All rights reserved.

 * Copyright (c) 2015-2016, The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and
@@ -65,6 +65,29 @@ static int g_events_handle; 
#define PFK_SUPPORTED_KEY_SIZE 32

#define PFK_SUPPORTED_SALT_SIZE 32





/**

 * inode_to_filename() - get the filename from inode pointer.

 * @inode: inode pointer

 *

 * it is used for debug prints.

 *

 * Return: filename string or "unknown".

 */

static char *inode_to_filename(struct inode *inode)

{

	struct dentry *dentry = NULL;

	char *filename = NULL;



	if (hlist_empty(&inode->i_dentry))

		return "unknown";



	dentry = hlist_entry(inode->i_dentry.first, struct dentry, d_u.d_alias);

	filename = dentry->d_iname;



	return filename;

}



static int pfk_inode_alloc_security(struct inode *inode)

{

	struct inode_security_struct *i_sec = NULL;
@@ -370,6 +393,8 @@ int pfk_load_key(const struct bio *bio, struct ice_crypto_setting *ice_setting) 
		goto end;

	}



	pr_debug("loading key for file %s\n", inode_to_filename(inode));



	ret = pfk_get_page_index(bio, &offset);

	if (ret != 0) {

		pr_err("could not get page index from bio, probably bug %d\n",