Merge check_access_path() into current_check_access_path() and make
hook_path_mknod() use it. Remove explicit inlining that can be handled
by the compiler.

Signed-off-by: Mickaël Salaün <[email protected]>
---
 security/landlock/fs.c | 33 +++++++++++----------------------
 1 file changed, 11 insertions(+), 22 deletions(-)

diff --git a/security/landlock/fs.c b/security/landlock/fs.c
index 1c0c198f6fdb..978e325d8708 100644
--- a/security/landlock/fs.c
+++ b/security/landlock/fs.c
@@ -635,28 +635,22 @@ static bool is_access_to_paths_allowed(
        return allowed_parent1 && allowed_parent2;
 }
 
-static inline int check_access_path(const struct landlock_ruleset *const 
domain,
-                                   const struct path *const path,
-                                   access_mask_t access_request)
-{
-       layer_mask_t layer_masks[LANDLOCK_NUM_ACCESS_FS] = {};
-
-       access_request = init_layer_masks(domain, access_request, &layer_masks);
-       if (is_access_to_paths_allowed(domain, path, access_request,
-                                      &layer_masks, NULL, 0, NULL, NULL))
-               return 0;
-       return -EACCES;
-}
-
-static inline int current_check_access_path(const struct path *const path,
-                                           const access_mask_t access_request)
+static int current_check_access_path(const struct path *const path,
+                                    access_mask_t access_request)
 {
        const struct landlock_ruleset *const dom =
                landlock_get_current_domain();
+       layer_mask_t layer_masks[LANDLOCK_NUM_ACCESS_FS] = {};
 
        if (!dom)
                return 0;
-       return check_access_path(dom, path, access_request);
+
+       access_request = init_layer_masks(dom, access_request, &layer_masks);
+       if (is_access_to_paths_allowed(dom, path, access_request, &layer_masks,
+                                      NULL, 0, NULL, NULL))
+               return 0;
+
+       return -EACCES;
 }
 
 static inline access_mask_t get_mode_access(const umode_t mode)
@@ -1128,12 +1122,7 @@ static int hook_path_mknod(const struct path *const dir,
                           struct dentry *const dentry, const umode_t mode,
                           const unsigned int dev)
 {
-       const struct landlock_ruleset *const dom =
-               landlock_get_current_domain();
-
-       if (!dom)
-               return 0;
-       return check_access_path(dom, dir, get_mode_access(mode));
+       return current_check_access_path(dir, get_mode_access(mode));
 }
 
 static int hook_path_symlink(const struct path *const dir,
-- 
2.42.0

Reply via email to