Commit b62755ae authored Nov 17, 2019 by Eric Biggers Committed by Herbert Xu Nov 22, 2019

crypto: x86/chacha - only unregister algorithms if registered



It's not valid to call crypto_unregister_skciphers() without a prior
call to crypto_register_skciphers().

Fixes: 84e03fa3 ("crypto: x86/chacha - expose SIMD ChaCha routine as library function")
Signed-off-by: Eric Biggers <ebiggers@google.com>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

parent 2043323a

arch/x86/crypto/chacha_glue.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -304,6 +304,7 @@ static int __init chacha_simd_mod_init(void)

		static void __exit chacha_simd_mod_fini(void)
		{
		if (boot_cpu_has(X86_FEATURE_SSSE3))
		crypto_unregister_skciphers(algs, ARRAY_SIZE(algs));
		}

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