fdt: Tidy up error handling in image_setup_libfdt()

The message about needing to reset should be printed no matter what error
is printed. Also, an error should always be printed.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Anatolij Gustschin <agust@denx.de>
Reviewed-by: Tom Rini <trini@ti.com>

common/image-fdt.c

@@ -460,19 +460,25 @@ int image_setup_libfdt(bootm_headers_t *images, void *blob,
 {
 	ulong *initrd_start = &images->initrd_start;
 	ulong *initrd_end = &images->initrd_end;
-	int ret;
+	int ret = -EPERM;
+	int fdt_ret;
 
 	if (fdt_chosen(blob) < 0) {
-		puts("ERROR: /chosen node create failed");
-		puts(" - must RESET the board to recover.\n");
-		return -1;
+		printf("ERROR: /chosen node create failed\n");
+		goto err;
 	}
 	if (arch_fixup_fdt(blob) < 0) {
-		puts("ERROR: arch specific fdt fixup failed");
-		return -1;
+		printf("ERROR: arch-specific fdt fixup failed\n");
+		goto err;
+	}
+	if (IMAGE_OF_BOARD_SETUP) {
+		fdt_ret = ft_board_setup(blob, gd->bd);
+		if (fdt_ret) {
+			printf("ERROR: board-specific fdt fixup failed: %s\n",
+			       fdt_strerror(fdt_ret));
+			goto err;
+		}
 	}
-	if (IMAGE_OF_BOARD_SETUP)
-		ft_board_setup(blob, gd->bd);
 	fdt_fixup_ethernet(blob);
 
 	/* Delete the old LMB reservation */
@@ -481,7 +487,7 @@ int image_setup_libfdt(bootm_headers_t *images, void *blob,
 
 	ret = fdt_shrink_to_minimum(blob);
 	if (ret < 0)
-		return ret;
+		goto err;
 	of_size = ret;
 
 	if (*initrd_start && *initrd_end) {
@@ -493,7 +499,7 @@ int image_setup_libfdt(bootm_headers_t *images, void *blob,
 
 	fdt_initrd(blob, *initrd_start, *initrd_end);
 	if (!ft_verify_fdt(blob))
-		return -1;
+		goto err;
 
 #if defined(CONFIG_SOC_KEYSTONE)
 	if (IMAGE_OF_BOARD_SETUP)
@@ -501,4 +507,8 @@ int image_setup_libfdt(bootm_headers_t *images, void *blob,
 #endif
 
 	return 0;
+err:
+	printf(" - must RESET the board to recover.\n\n");
+
+	return ret;
 }

include/fdt_support.h

@@ -70,6 +70,7 @@ int fdt_find_or_add_subnode(void *fdt, int parentoffset, const char *name);
  * Add board-specific data to the FDT before booting the OS.
  *
  * Use CONFIG_SYS_FDT_PAD to ensure there is sufficient space.
+ * This function is called if CONFIG_OF_BOARD_SETUP is defined
  *
  * @param blob		FDT blob to update
  * @param bd_t		Pointer to board data