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a=openpgp-sha256; l=3314; i=ardb@kernel.org; h=from:subject; bh=M7WgPUSIPoeRnhagLleZw11JZUjXzh7EjhC9ItdylhI=; b=owGbwMvMwCFmkMcZplerG8N4Wi2JIWVbT9Vz0SiZCzNmlVRdnKSfvtS574N93b97iX832bmU3 QlKyPrVUcrCIMbBICumyCIw+++7nacnStU6z5KFmcPKBDKEgYtTACYivYGRoYGZ/d62qVNZEw5b bVxzpfjx1dxEiRczJu3OYWisXWV4xZKRof3PC46/975fuv+B+8HuefcX7pyd+fLPBHOJ5XPWmt0 6Ks8GAA== X-Developer-Key: i=ardb@kernel.org; a=openpgp; fpr=F43D03328115A198C90016883D200E9CA6329909 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230718_140124_397833_64617B92 X-CRM114-Status: GOOD ( 13.05 ) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org No users of the obsolete 'comp' crypto compression API remain, so let's drop the software deflate version of it. Signed-off-by: Ard Biesheuvel --- crypto/deflate.c | 58 +------------------- 1 file changed, 1 insertion(+), 57 deletions(-) diff --git a/crypto/deflate.c b/crypto/deflate.c index f4f127078fe2a5aa..0955040ca9e64146 100644 --- a/crypto/deflate.c +++ b/crypto/deflate.c @@ -130,13 +130,6 @@ static void *deflate_alloc_ctx(struct crypto_scomp *tfm) return ctx; } -static int deflate_init(struct crypto_tfm *tfm) -{ - struct deflate_ctx *ctx = crypto_tfm_ctx(tfm); - - return __deflate_init(ctx); -} - static void __deflate_exit(void *ctx) { deflate_comp_exit(ctx); @@ -149,13 +142,6 @@ static void deflate_free_ctx(struct crypto_scomp *tfm, void *ctx) kfree_sensitive(ctx); } -static void deflate_exit(struct crypto_tfm *tfm) -{ - struct deflate_ctx *ctx = crypto_tfm_ctx(tfm); - - __deflate_exit(ctx); -} - static int __deflate_compress(const u8 *src, unsigned int slen, u8 *dst, unsigned int *dlen, void *ctx) { @@ -185,14 +171,6 @@ static int __deflate_compress(const u8 *src, unsigned int slen, return ret; } -static int deflate_compress(struct crypto_tfm *tfm, const u8 *src, - unsigned int slen, u8 *dst, unsigned int *dlen) -{ - struct deflate_ctx *dctx = crypto_tfm_ctx(tfm); - - return __deflate_compress(src, slen, dst, dlen, dctx); -} - static int deflate_scompress(struct crypto_scomp *tfm, const u8 *src, unsigned int slen, u8 *dst, unsigned int *dlen, void *ctx) @@ -241,14 +219,6 @@ static int __deflate_decompress(const u8 *src, unsigned int slen, return ret; } -static int deflate_decompress(struct crypto_tfm *tfm, const u8 *src, - unsigned int slen, u8 *dst, unsigned int *dlen) -{ - struct deflate_ctx *dctx = crypto_tfm_ctx(tfm); - - return __deflate_decompress(src, slen, dst, dlen, dctx); -} - static int deflate_sdecompress(struct crypto_scomp *tfm, const u8 *src, unsigned int slen, u8 *dst, unsigned int *dlen, void *ctx) @@ -256,19 +226,6 @@ static int deflate_sdecompress(struct crypto_scomp *tfm, const u8 *src, return __deflate_decompress(src, slen, dst, dlen, ctx); } -static struct crypto_alg alg = { - .cra_name = "deflate", - .cra_driver_name = "deflate-generic", - .cra_flags = CRYPTO_ALG_TYPE_COMPRESS, - .cra_ctxsize = sizeof(struct deflate_ctx), - .cra_module = THIS_MODULE, - .cra_init = deflate_init, - .cra_exit = deflate_exit, - .cra_u = { .compress = { - .coa_compress = deflate_compress, - .coa_decompress = deflate_decompress } } -}; - static struct scomp_alg scomp = { .alloc_ctx = deflate_alloc_ctx, .free_ctx = deflate_free_ctx, @@ -283,24 +240,11 @@ static struct scomp_alg scomp = { static int __init deflate_mod_init(void) { - int ret; - - ret = crypto_register_alg(&alg); - if (ret) - return ret; - - ret = crypto_register_scomp(&scomp); - if (ret) { - crypto_unregister_alg(&alg); - return ret; - } - - return ret; + return crypto_register_scomp(&scomp); } static void __exit deflate_mod_fini(void) { - crypto_unregister_alg(&alg); crypto_unregister_scomp(&scomp); } -- 2.39.2 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/