polish load loop

src/tus_file.c

@@ -639,12 +639,12 @@ tus_file_load(struct VPFX(tus_server) *srv)
 
 	dir = fdopendir(dup(basefd));
 	AN(dir);
-	ent = readdir(dir);
-	while (ent != NULL) {
-		if (strncmp(ent->d_name, TUS_FILE_PFX, strlen(TUS_FILE_PFX)) == 0 &&
-		    ent->d_type == DT_REG)
-			tus_file_add(srv, basefd, ent->d_name);
-		ent = readdir(dir);
+	while ((ent = readdir(dir)) != NULL) {
+		if (strncmp(ent->d_name, TUS_FILE_PFX, strlen(TUS_FILE_PFX)))
+			continue;
+		if (ent->d_type != DT_REG)
+			continue;
+		tus_file_add(srv, basefd, ent->d_name);
 	}
 	AZ(closedir(dir));
 }