[PATCH v2 16/20] mtd: sst25l: Warn about failure to unregister mtd device

Uwe Kleine-König u.kleine-koenig at pengutronix.de
Tue Oct 12 08:39:41 PDT 2021


When an spi driver's remove function returns a non-zero error code
nothing happens apart from emitting a generic error message. Make this
error message more device specific and return zero instead.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig at pengutronix.de>
---
 drivers/mtd/devices/sst25l.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/mtd/devices/sst25l.c b/drivers/mtd/devices/sst25l.c
index b81c3f0b85f9..04062a1f54c1 100644
--- a/drivers/mtd/devices/sst25l.c
+++ b/drivers/mtd/devices/sst25l.c
@@ -401,8 +401,14 @@ static int sst25l_probe(struct spi_device *spi)
 static int sst25l_remove(struct spi_device *spi)
 {
 	struct sst25l_flash *flash = spi_get_drvdata(spi);
+	int ret;
+
+	ret = mtd_device_unregister(&flash->mtd);
+	if (ret)
+		dev_warn(&spi->dev, "Failed to unregister mtd device (%pe)\n",
+			 ERR_PTR(ret));
 
-	return mtd_device_unregister(&flash->mtd);
+	return 0;
 }
 
 static struct spi_driver sst25l_driver = {
-- 
2.30.2




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