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authorDmitry Kasatkin <d.kasatkin@samsung.com>2013-11-13 22:23:20 +0200
committerMimi Zohar <zohar@linux.vnet.ibm.com>2014-03-07 12:15:46 -0500
commit61997c4383c28fe93fb053295562ff6482ef5c07 (patch)
tree4db0680a4246655d9176a46bc0b60d520da13a17 /security
parent2bb930abcf39d8be243ddb4583cf013ea2a750d6 (diff)
downloadlinux-61997c4383c28fe93fb053295562ff6482ef5c07.tar.gz
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.c2
-rw-r--r--security/integrity/ima/ima_main.c7
2 files changed, 2 insertions, 7 deletions
diff --git a/security/integrity/ima/ima_api.c b/security/integrity/ima/ima_api.c
index c6b4a732e89..ba9e4d792dd 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 50413d02ac3..52ac6cf41f8 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,