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 d4d41b3efc7..ddfb9cccf46 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 bf8e2b45168..40927a84cb6 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;