diff options
| author | Andrey Markovytch <andreym@codeaurora.org> | 2016-02-02 21:15:00 +0200 |
|---|---|---|
| committer | David Keitel <dkeitel@codeaurora.org> | 2016-03-23 21:24:10 -0700 |
| commit | aaf495b3ab5c8476bffdd2d1e4ec3157268647c1 (patch) | |
| tree | 2762ebbddd3544fc2672c3012fc84800f4bcdc45 /security/pfe/pfk.c | |
| parent | 5c84da193d13761baf6d6f6f9189142959db1c5a (diff) | |
pfk: added some additional debug prints
Also added useful function for translation between inode to filename
Change-Id: If0d5db3545a71c85223ef53980ee61f9dbd002d9
Signed-off-by: Andrey Markovytch <andreym@codeaurora.org>
Diffstat (limited to 'security/pfe/pfk.c')
| -rw-r--r-- | security/pfe/pfk.c | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/security/pfe/pfk.c b/security/pfe/pfk.c index f56e490a0ae8..911012eeb570 100644 --- a/security/pfe/pfk.c +++ b/security/pfe/pfk.c @@ -1,5 +1,5 @@ /* - * 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 @@ -66,6 +66,29 @@ 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; @@ -359,6 +382,8 @@ 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", |