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mtd: sst25l: Warn about failure to unregister mtd device

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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>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20211108093153.63792-4-u.kleine-koenig@pengutronix.de
This commit is contained in:
Uwe Kleine-König 2021-11-08 10:31:52 +01:00 committed by Miquel Raynal
parent 5765f4eb42
commit b4a0de29f0
1 changed files with 3 additions and 1 deletions
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4
drivers/mtd/devices/sst25l.c
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@ -402,7 +402,9 @@ static int sst25l_remove(struct spi_device *spi)
{ {
struct sst25l_flash *flash = spi_get_drvdata(spi); struct sst25l_flash *flash = spi_get_drvdata(spi);
return mtd_device_unregister(&flash->mtd); WARN_ON(mtd_device_unregister(&flash->mtd));
return 0;
} }
static struct spi_driver sst25l_driver = { static struct spi_driver sst25l_driver = {