diff options
| author | Dmitry Kasatkin <d.kasatkin@samsung.com> | 2013-11-13 22:23:20 +0200 |
|---|---|---|
| committer | Mimi Zohar <zohar@linux.vnet.ibm.com> | 2014-03-07 12:15:46 -0500 |
| commit | 61997c4383c28fe93fb053295562ff6482ef5c07 (patch) | |
| tree | 4db0680a4246655d9176a46bc0b60d520da13a17 /security | |
| parent | 2bb930abcf39d8be243ddb4583cf013ea2a750d6 (diff) | |
| download | lwn-61997c4383c28fe93fb053295562ff6482ef5c07.tar.gz lwn-61997c4383c28fe93fb053295562ff6482ef5c07.zip | |
ima: return d_name.name if d_path fails
This is a small refactoring so ima_d_path() returns dentry name
if path reconstruction fails. It simplifies callers actions
and removes code duplication.
Signed-off-by: Dmitry Kasatkin <d.kasatkin@samsung.com>
Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
Diffstat (limited to 'security')
| -rw-r--r-- | security/integrity/ima/ima_api.c | 2 | ||||
| -rw-r--r-- | security/integrity/ima/ima_main.c | 7 |
2 files changed, 2 insertions, 7 deletions
diff --git a/security/integrity/ima/ima_api.c b/security/integrity/ima/ima_api.c index c6b4a732e89b..ba9e4d792dd5 100644 --- a/security/integrity/ima/ima_api.c +++ b/security/integrity/ima/ima_api.c @@ -332,5 +332,5 @@ const char *ima_d_path(struct path *path, char **pathbuf) pathname = NULL; } } - return pathname; + return pathname ?: (const char *)path->dentry->d_name.name; } diff --git a/security/integrity/ima/ima_main.c b/security/integrity/ima/ima_main.c index 50413d02ac3a..52ac6cf41f88 100644 --- a/security/integrity/ima/ima_main.c +++ b/security/integrity/ima/ima_main.c @@ -79,7 +79,6 @@ __setup("ima_hash=", hash_setup); */ static void ima_rdwr_violation_check(struct file *file) { - struct dentry *dentry = file->f_path.dentry; struct inode *inode = file_inode(file); fmode_t mode = file->f_mode; int must_measure; @@ -111,8 +110,6 @@ out: return; pathname = ima_d_path(&file->f_path, &pathbuf); - if (!pathname || strlen(pathname) > IMA_EVENT_NAME_LEN_MAX) - pathname = dentry->d_name.name; if (send_tomtou) ima_add_violation(file, pathname, "invalid_pcr", "ToMToU"); @@ -220,9 +217,7 @@ static int process_measurement(struct file *file, const char *filename, if (rc != 0) goto out_digsig; - pathname = !filename ? ima_d_path(&file->f_path, &pathbuf) : filename; - if (!pathname) - pathname = (const char *)file->f_dentry->d_name.name; + pathname = filename ?: ima_d_path(&file->f_path, &pathbuf); if (action & IMA_MEASURE) ima_store_measurement(iint, file, pathname, |