From 3de4f5e1a5dbe1a36d1e8a08ee1978f44c4b739b Mon Sep 17 00:00:00 2001 From: Giovanni Cabiddu Date: Fri, 21 Apr 2017 21:54:29 +0100 Subject: crypto: scomp - allow registration of multiple scomps Add crypto_register_scomps and crypto_unregister_scomps to allow the registration of multiple implementations with one call. Signed-off-by: Giovanni Cabiddu Signed-off-by: Herbert Xu --- crypto/scompress.c | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) (limited to 'crypto') diff --git a/crypto/scompress.c b/crypto/scompress.c index 6b048b36312d..ae1d3cf209e4 100644 --- a/crypto/scompress.c +++ b/crypto/scompress.c @@ -353,5 +353,34 @@ int crypto_unregister_scomp(struct scomp_alg *alg) } EXPORT_SYMBOL_GPL(crypto_unregister_scomp); +int crypto_register_scomps(struct scomp_alg *algs, int count) +{ + int i, ret; + + for (i = 0; i < count; i++) { + ret = crypto_register_scomp(&algs[i]); + if (ret) + goto err; + } + + return 0; + +err: + for (--i; i >= 0; --i) + crypto_unregister_scomp(&algs[i]); + + return ret; +} +EXPORT_SYMBOL_GPL(crypto_register_scomps); + +void crypto_unregister_scomps(struct scomp_alg *algs, int count) +{ + int i; + + for (i = count - 1; i >= 0; --i) + crypto_unregister_scomp(&algs[i]); +} +EXPORT_SYMBOL_GPL(crypto_unregister_scomps); + MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Synchronous compression type"); -- cgit v1.2.3-59-g8ed1b