Reduce path_lookup() abuses

... use kern_path() where possible

[folded a fix from rdd]

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

2 files changed, 11 insertions, 11 deletions

diff --git a/security/tomoyo/common.c b/security/tomoyo/common.c
index d4d41b3..ddfb9cc 100644
--- a/security/tomoyo/common.c
+++ b/security/tomoyo/common.c
@@ -1720,14 +1720,14 @@ static bool tomoyo_policy_loader_exists(void)
 	 * policies are not loaded yet.
 	 * Thus, let do_execve() call this function everytime.
 	 */
-	struct nameidata nd;
+	struct path path;
 
-	if (path_lookup(tomoyo_loader, LOOKUP_FOLLOW, &nd)) {
+	if (kern_path(tomoyo_loader, LOOKUP_FOLLOW, &path)) {
 		printk(KERN_INFO "Not activating Mandatory Access Control now "
 		       "since %s doesn't exist.\n", tomoyo_loader);
 		return false;
 	}
-	path_put(&nd.path);
+	path_put(&path);
 	return true;
 }
 
diff --git a/security/tomoyo/realpath.c b/security/tomoyo/realpath.c
index bf8e2b4..40927a8 100644
--- a/security/tomoyo/realpath.c
+++ b/security/tomoyo/realpath.c
@@ -165,11 +165,11 @@ char *tomoyo_realpath_from_path(struct path *path)
  */
 char *tomoyo_realpath(const char *pathname)
 {
-	struct nameidata nd;
+	struct path path;
 
-	if (pathname && path_lookup(pathname, LOOKUP_FOLLOW, &nd) == 0) {
-		char *buf = tomoyo_realpath_from_path(&nd.path);
-		path_put(&nd.path);
+	if (pathname && kern_path(pathname, LOOKUP_FOLLOW, &path) == 0) {
+		char *buf = tomoyo_realpath_from_path(&path);
+		path_put(&path);
 		return buf;
 	}
 	return NULL;
@@ -184,11 +184,11 @@ char *tomoyo_realpath(const char *pathname)
  */
 char *tomoyo_realpath_nofollow(const char *pathname)
 {
-	struct nameidata nd;
+	struct path path;
 
-	if (pathname && path_lookup(pathname, 0, &nd) == 0) {
-		char *buf = tomoyo_realpath_from_path(&nd.path);
-		path_put(&nd.path);
+	if (pathname && kern_path(pathname, 0, &path) == 0) {
+		char *buf = tomoyo_realpath_from_path(&path);
+		path_put(&path);
 		return buf;
 	}
 	return NULL;