Re: [PATCH] crypto: cavium/zip - fix collision with generic cra_driver_name

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On Sat, Feb 23, 2019 at 12:23:23AM -0800, Eric Biggers wrote:
> From: Eric Biggers <ebiggers@xxxxxxxxxx>
> 
> The cavium/zip implementation of the deflate compression algorithm is
> incorrectly being registered under the generic driver name, which
> prevents the generic implementation from being registered with the
> crypto API when CONFIG_CRYPTO_DEV_CAVIUM_ZIP=y.  Similarly the lzs
> algorithm (which does not currently have a generic implementation...)
> is incorrectly being registered as lzs-generic.
> 
> Fix the naming collision by adding a suffix "-cavium" to the
> cra_driver_name of the cavium/zip algorithms.

The patch is fine, basically the same as:
https://marc.info/?l=linux-crypto-vger&m=152968599829763&w=2

Shouldn't we also rename deflate to deflate generic?

--Jan

> Fixes: 640035a2dc55 ("crypto: zip - Add ThunderX ZIP driver core")
> Cc: Mahipal Challa <mahipalreddy2006@xxxxxxxxx>
> Cc: Jan Glauber <jglauber@xxxxxxxxxx>
> Signed-off-by: Eric Biggers <ebiggers@xxxxxxxxxx>
> ---
>  drivers/crypto/cavium/zip/zip_main.c | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/crypto/cavium/zip/zip_main.c b/drivers/crypto/cavium/zip/zip_main.c
> index e6b09e784e666..a8447a3cf3665 100644
> --- a/drivers/crypto/cavium/zip/zip_main.c
> +++ b/drivers/crypto/cavium/zip/zip_main.c
> @@ -351,6 +351,7 @@ static struct pci_driver zip_driver = {
> 
>  static struct crypto_alg zip_comp_deflate = {
>         .cra_name               = "deflate",
> +       .cra_driver_name        = "deflate-cavium",
>         .cra_flags              = CRYPTO_ALG_TYPE_COMPRESS,
>         .cra_ctxsize            = sizeof(struct zip_kernel_ctx),
>         .cra_priority           = 300,
> @@ -365,6 +366,7 @@ static struct crypto_alg zip_comp_deflate = {
> 
>  static struct crypto_alg zip_comp_lzs = {
>         .cra_name               = "lzs",
> +       .cra_driver_name        = "lzs-cavium",
>         .cra_flags              = CRYPTO_ALG_TYPE_COMPRESS,
>         .cra_ctxsize            = sizeof(struct zip_kernel_ctx),
>         .cra_priority           = 300,
> @@ -384,7 +386,7 @@ static struct scomp_alg zip_scomp_deflate = {
>         .decompress             = zip_scomp_decompress,
>         .base                   = {
>                 .cra_name               = "deflate",
> -               .cra_driver_name        = "deflate-scomp",
> +               .cra_driver_name        = "deflate-scomp-cavium",
>                 .cra_module             = THIS_MODULE,
>                 .cra_priority           = 300,
>         }
> @@ -397,7 +399,7 @@ static struct scomp_alg zip_scomp_lzs = {
>         .decompress             = zip_scomp_decompress,
>         .base                   = {
>                 .cra_name               = "lzs",
> -               .cra_driver_name        = "lzs-scomp",
> +               .cra_driver_name        = "lzs-scomp-cavium",
>                 .cra_module             = THIS_MODULE,
>                 .cra_priority           = 300,
>         }
> --
> 2.20.1




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