diff mbox series

[2/4] mtd: mchp23k256: Warn about failure to unregister mtd device

Message ID 20211108093153.63792-2-u.kleine-koenig@pengutronix.de (mailing list archive)
State Accepted
Commit 367cefbaed42eac9e1da5cc88f3b9220afc2db4d
Headers show
Series [1/4] mtd: dataflash: Warn about failure to unregister mtd device | expand

Commit Message

Uwe Kleine-König Nov. 8, 2021, 9:31 a.m. UTC
mtd_device_unregister() shouldn't fail. Wail loudly if it does anyhow.

This matches how other drivers (e.g. nand/raw/nandsim.c) use
mtd_device_unregister().

By returning 0 in the spi remove callback a generic error message by the
spi framework (and nothing else) is suppressed.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
---
 drivers/mtd/devices/mchp23k256.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

Comments

Miquel Raynal Nov. 19, 2021, 6:35 p.m. UTC | #1
On Mon, 2021-11-08 at 09:31:50 UTC, =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= wrote:
> mtd_device_unregister() shouldn't fail. Wail loudly if it does anyhow.
> 
> This matches how other drivers (e.g. nand/raw/nandsim.c) use
> mtd_device_unregister().
> 
> By returning 0 in the spi remove callback a generic error message by the
> spi framework (and nothing else) is suppressed.
> 
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>

Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git mtd/next, thanks.

Miquel
diff mbox series

Patch

diff --git a/drivers/mtd/devices/mchp23k256.c b/drivers/mtd/devices/mchp23k256.c
index 77c872fd3d83..a8b31bddf14b 100644
--- a/drivers/mtd/devices/mchp23k256.c
+++ b/drivers/mtd/devices/mchp23k256.c
@@ -213,7 +213,9 @@  static int mchp23k256_remove(struct spi_device *spi)
 {
 	struct mchp23k256_flash *flash = spi_get_drvdata(spi);
 
-	return mtd_device_unregister(&flash->mtd);
+	WARN_ON(mtd_device_unregister(&flash->mtd));
+
+	return 0;
 }
 
 static const struct of_device_id mchp23k256_of_table[] = {