Fix all the covs (memleaks) reported the 15th of this month (#17163)

libr/asm/p/asm_arm_as.c

@@ -55,6 +55,9 @@ static int assemble(RAsm *a, RAsmOp *op, const char *buf) {
 		(void)close (ifd);
 		free (asm_buf);
 		if (!success) {
+			free (as);
+			free (ipath);
+			free (opath);
 			return -1;
 		}
 	}

libr/core/core.c

@@ -3459,6 +3459,7 @@ R_API char *r_core_editor(const RCore *core, const char *file, const char *str)
 			const size_t str_len = strlen (str);
 			if (write (fd, str, str_len) != str_len) {
 				close (fd);
+				free (name);
 				return NULL;
 			}
 		}

libr/main/radare2.c

@@ -408,6 +408,7 @@ R_API int r_main_radare2(int argc, const char **argv) {
 	r = r_core_new ();
 	if (!r) {
 		eprintf ("Cannot initialize RCore\n");
+		LISTS_FREE ();
 		return 1;
 	}
 	r->r_main_radare2 = r_main_radare2;