static int verbose = 0;
 module_param(verbose, int, 0644);
 
-/* Return the last part of a pathname */
-static inline const char *basename(const char *path)
-{
-       const char *tail = strrchr(path, '/');
-       return tail ? tail+1 : path;
-}
-
 /* Return the path relative to source root */
 static inline const char *trim_prefix(const char *path)
 {
                        /* match against the source filename */
                        if (query->filename &&
                            strcmp(query->filename, dp->filename) &&
-                           strcmp(query->filename, basename(dp->filename)) &&
+                           strcmp(query->filename, kbasename(dp->filename)) &&
                            strcmp(query->filename, trim_prefix(dp->filename)))
                                continue;