[U-Boot] [RFC PATCH 14/21] dm: sandbox: sf: Tidy up the error handling in sandbox_sf_probe()

[Simon Glass]

Use a single exit point when we have an error and add debugging there.

Signed-off-by: Simon Glass <sjg at chromium.org>
---

 drivers/mtd/spi/sandbox.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/mtd/spi/sandbox.c b/drivers/mtd/spi/sandbox.c
index 3024b98..106dda9 100644
--- a/drivers/mtd/spi/sandbox.c
+++ b/drivers/mtd/spi/sandbox.c
@@ -141,8 +141,10 @@ static int sandbox_sf_probe(struct udevice *dev)
 		assert(bus->seq != -1);
 		if (bus->seq < CONFIG_SANDBOX_SPI_MAX_BUS)
 			spec = state->spi[bus->seq][cs].spec;
-		if (!spec)
-			return -ENOENT;
+		if (!spec) {
+			ret = -ENOENT;
+			goto error;
+		}
 
 		file = strchr(spec, ':');
 		if (!file) {
@@ -196,6 +198,7 @@ static int sandbox_sf_probe(struct udevice *dev)
 	return 0;
 
  error:
+	debug("%s: Got error %d\n", __func__, ret);
 	return ret;
 }
 
-- 
2.2.0.rc0.207.ga3a616c