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mtd: spear_smi: Don't skip cleanup after mtd_device_unregister() failed 

If mtd_device_unregister() fails (which it doesn't when used correctly),
the resources bound by the nand chip should be freed anyhow as returning
an error value doesn't prevent the device getting unbound.

Instead use WARN_ON on the return value similar to how other drivers do
it.

This is a preparation for making platform remove callbacks return void.

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/20220603210758.148493-7-u.kleine-koenig@pengutronix.de
This commit is contained in:
Uwe Kleine-König 2022-06-03 23:07:50 +02:00 committed by Miquel Raynal
parent 0aaa0b5f84
commit 0057568b39
1 changed files with 2 additions and 4 deletions
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6
drivers/mtd/devices/spear_smi.c
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@ -1045,7 +1045,7 @@ static int spear_smi_remove(struct platform_device *pdev)
{
struct spear_smi *dev;
struct spear_snor_flash *flash;
int ret, i;
int i;
dev = platform_get_drvdata(pdev);
if (!dev) {
@ -1060,9 +1060,7 @@ static int spear_smi_remove(struct platform_device *pdev)
continue;
/* clean up mtd stuff */
ret = mtd_device_unregister(&flash->mtd);
if (ret)
dev_err(&pdev->dev, "error removing mtd\n");
WARN_ON(mtd_device_unregister(&flash->mtd));
}
clk_disable_unprepare(dev->clk);