RE: [PATCH] crypto: iaa - Remove unreachable pr_debug from iaa_crypto_cleanup_module
From: Sridhar, Kanchana P
Date: Mon Dec 01 2025 - 12:29:45 EST
> -----Original Message-----
> From: Thorsten Blum <thorsten.blum@xxxxxxxxx>
> Sent: Friday, November 28, 2025 5:54 AM
> To: Accardi, Kristen C <kristen.c.accardi@xxxxxxxxx>; Gomes, Vinicius
> <vinicius.gomes@xxxxxxxxx>; Sridhar, Kanchana P
> <kanchana.p.sridhar@xxxxxxxxx>; Herbert Xu
> <herbert@xxxxxxxxxxxxxxxxxxx>; David S. Miller <davem@xxxxxxxxxxxxx>
> Cc: Thorsten Blum <thorsten.blum@xxxxxxxxx>; linux-crypto@xxxxxxxxxxxxxxx;
> linux-kernel@xxxxxxxxxxxxxxx
> Subject: [PATCH] crypto: iaa - Remove unreachable pr_debug from
> iaa_crypto_cleanup_module
>
> iaa_unregister_compression_device() always returns 0, making the debug
> log message unreachable. Remove the log statement and convert
> iaa_unregister_compression_device() to a void function.
>
> Signed-off-by: Thorsten Blum <thorsten.blum@xxxxxxxxx>
Acked-by: Kanchana P Sridhar <kanchana.p.sridhar@xxxxxxxxx>
> ---
> drivers/crypto/intel/iaa/iaa_crypto_main.c | 7 ++-----
> 1 file changed, 2 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/crypto/intel/iaa/iaa_crypto_main.c
> b/drivers/crypto/intel/iaa/iaa_crypto_main.c
> index a91d8cb83d57..83d0ff1fc7c7 100644
> --- a/drivers/crypto/intel/iaa/iaa_crypto_main.c
> +++ b/drivers/crypto/intel/iaa/iaa_crypto_main.c
> @@ -1698,12 +1698,10 @@ static int iaa_register_compression_device(void)
> return ret;
> }
>
> -static int iaa_unregister_compression_device(void)
> +static void iaa_unregister_compression_device(void)
> {
> if (iaa_crypto_registered)
> crypto_unregister_acomp(&iaa_acomp_fixed_deflate);
> -
> - return 0;
> }
>
> static int iaa_crypto_probe(struct idxd_dev *idxd_dev)
> @@ -1919,8 +1917,7 @@ static int __init iaa_crypto_init_module(void)
>
> static void __exit iaa_crypto_cleanup_module(void)
> {
> - if (iaa_unregister_compression_device())
> - pr_debug("IAA compression device unregister failed\n");
> + iaa_unregister_compression_device();
>
> iaa_crypto_debugfs_cleanup();
> driver_remove_file(&iaa_crypto_driver.drv,
> --
> Thorsten Blum <thorsten.blum@xxxxxxxxx>
> GPG: 1D60 735E 8AEF 3BE4 73B6 9D84 7336 78FD 8DFE EAD4