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crypto: aspeed - fix double free caused by devm

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[ Upstream commit 3c9bf72cc1ced1297b235f9422d62b613a3fdae9 ]

The clock obtained via devm_clk_get_enabled() is automatically managed
by devres and will be disabled and freed on driver detach. Manually
calling clk_disable_unprepare() in error path and remove function
causes double free.

Remove the manual clock cleanup in both aspeed_acry_probe()'s error
path and aspeed_acry_remove().

Fixes: 2f1cf4e50c ("crypto: aspeed - Add ACRY RSA driver")
Signed-off-by: Haotian Zhang <vulab@iscas.ac.cn>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Haotian Zhang
2025-10-20 18:11:09 +08:00
committed by Greg Kroah-Hartman
parent 8e8bcd7b29
commit 0dd6474ced
1 changed files with 0 additions and 2 deletions
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2
drivers/crypto/aspeed/aspeed-acry.c
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@@ -789,7 +789,6 @@ static int aspeed_acry_probe(struct platform_device *pdev)
err_engine_rsa_start:
crypto_engine_exit(acry_dev->crypt_engine_rsa);
clk_exit:
clk_disable_unprepare(acry_dev->clk);
return rc;
}
@@ -801,7 +800,6 @@ static void aspeed_acry_remove(struct platform_device *pdev)
aspeed_acry_unregister(acry_dev);
crypto_engine_exit(acry_dev->crypt_engine_rsa);
tasklet_kill(&acry_dev->done_task);
clk_disable_unprepare(acry_dev->clk);
}
MODULE_DEVICE_TABLE(of, aspeed_acry_of_matches);