flashrom.c: Separate out default layout init

get_default_layout() is undefined without a
init_default_layout() so separate out that logic
from probe_flash().

Change-Id: I8fd0af8fb1c32dc9f2b00cc39b518d2f4d98e3ac
Signed-off-by: Edward O'Callaghan <quasisec@google.com>
Original-Reviewed-on: https://review.coreboot.org/c/flashrom/+/68296
Original-Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Original-Reviewed-by: Felix Singer <felixsinger@posteo.net>
Reviewed-on: https://review.coreboot.org/c/flashrom-stable/+/72361
Reviewed-by: Nico Huber <nico.h@gmx.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/flashrom.c b/flashrom.c
index 40472ec..8e10f95 100644
--- a/flashrom.c
+++ b/flashrom.c
@@ -707,6 +707,17 @@
 	return ret;
 }
 
+static int init_default_layout(struct flashctx *flash)
+{
+	/* Fill default layout covering the whole chip. */
+	if (flashrom_layout_new(&flash->default_layout) ||
+	    flashrom_layout_add_region(flash->default_layout,
+			0, flash->chip->total_size * 1024 - 1, "complete flash") ||
+	    flashrom_layout_include_region(flash->default_layout, "complete flash"))
+	        return -1;
+	return 0;
+}
+
 int probe_flash(struct registered_master *mst, int startchip, struct flashctx *flash, int force)
 {
 	const struct flashchip *chip;
@@ -795,12 +806,8 @@
 	if (!flash->chip)
 		return -1;
 
-	/* Fill default layout covering the whole chip. */
-	if (flashrom_layout_new(&flash->default_layout) ||
-	    flashrom_layout_add_region(flash->default_layout,
-			0, flash->chip->total_size * 1024 - 1, "complete flash") ||
-	    flashrom_layout_include_region(flash->default_layout, "complete flash"))
-	        return -1;
+	if (init_default_layout(flash) < 0)
+		return -1;
 
 	tmp = flashbuses_to_text(flash->chip->bustype);
 	msg_cinfo("%s %s flash chip \"%s\" (%d kB, %s) ", force ? "Assuming" : "Found",