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authorUwe Kleine-König <u.kleine-koenig@pengutronix.de>2023-10-20 10:55:31 +0300
committerHerbert Xu <herbert@gondor.apana.org.au>2023-10-27 13:04:25 +0300
commit413f850d022db401a99d85886d42f965e447253f (patch)
treee4709523f799f99dbb91c232d04bd0409c156255
parent5d966381bf7a2cdb4ce5830d06035cf94de9264d (diff)
downloadlinux-413f850d022db401a99d85886d42f965e447253f.tar.xz
crypto: atmel-sha - Convert to platform remove callback returning void
The .remove() callback for a platform driver returns an int which makes many driver authors wrongly assume it's possible to do error handling by returning an error code. However the value returned is ignored (apart from emitting a warning) and this typically results in resource leaks. To improve here there is a quest to make the remove callback return void. In the first step of this quest all drivers are converted to .remove_new(), which already returns void. Eventually after all drivers are converted, .remove_new() will be renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
-rw-r--r--drivers/crypto/atmel-sha.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/crypto/atmel-sha.c b/drivers/crypto/atmel-sha.c
index 3622120add62..ad45af288ece 100644
--- a/drivers/crypto/atmel-sha.c
+++ b/drivers/crypto/atmel-sha.c
@@ -2680,7 +2680,7 @@ err_tasklet_kill:
return err;
}
-static int atmel_sha_remove(struct platform_device *pdev)
+static void atmel_sha_remove(struct platform_device *pdev)
{
struct atmel_sha_dev *sha_dd = platform_get_drvdata(pdev);
@@ -2697,13 +2697,11 @@ static int atmel_sha_remove(struct platform_device *pdev)
atmel_sha_dma_cleanup(sha_dd);
clk_unprepare(sha_dd->iclk);
-
- return 0;
}
static struct platform_driver atmel_sha_driver = {
.probe = atmel_sha_probe,
- .remove = atmel_sha_remove,
+ .remove_new = atmel_sha_remove,
.driver = {
.name = "atmel_sha",
.of_match_table = atmel_sha_dt_ids,