From e3d90e52ea5fe58d39297df1c825db6e131fb04f Mon Sep 17 00:00:00 2001 From: Christopher Diaz Riveros Date: Mon, 28 Jan 2019 19:01:18 -0500 Subject: crypto: testmgr - use kmemdup Fixes coccinnelle alerts: /crypto/testmgr.c:2112:13-20: WARNING opportunity for kmemdup /crypto/testmgr.c:2130:13-20: WARNING opportunity for kmemdup /crypto/testmgr.c:2152:9-16: WARNING opportunity for kmemdup Signed-off-by: Christopher Diaz Riveros Signed-off-by: Herbert Xu --- crypto/testmgr.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) (limited to 'crypto/testmgr.c') diff --git a/crypto/testmgr.c b/crypto/testmgr.c index 17f57f277e58..01a517e3f06b 100644 --- a/crypto/testmgr.c +++ b/crypto/testmgr.c @@ -2115,12 +2115,11 @@ static int do_test_kpp(struct crypto_kpp *tfm, const struct kpp_testvec *vec, if (vec->genkey) { /* Save party A's public key */ - a_public = kzalloc(out_len_max, GFP_KERNEL); + a_public = kmemdup(sg_virt(req->dst), out_len_max, GFP_KERNEL); if (!a_public) { err = -ENOMEM; goto free_output; } - memcpy(a_public, sg_virt(req->dst), out_len_max); } else { /* Verify calculated public key */ if (memcmp(vec->expected_a_public, sg_virt(req->dst), @@ -2133,13 +2132,12 @@ static int do_test_kpp(struct crypto_kpp *tfm, const struct kpp_testvec *vec, } /* Calculate shared secret key by using counter part (b) public key. */ - input_buf = kzalloc(vec->b_public_size, GFP_KERNEL); + input_buf = kmemdup(vec->b_public, vec->b_public_size, GFP_KERNEL); if (!input_buf) { err = -ENOMEM; goto free_output; } - memcpy(input_buf, vec->b_public, vec->b_public_size); sg_init_one(&src, input_buf, vec->b_public_size); sg_init_one(&dst, output_buf, out_len_max); kpp_request_set_input(req, &src, vec->b_public_size); @@ -2155,12 +2153,11 @@ static int do_test_kpp(struct crypto_kpp *tfm, const struct kpp_testvec *vec, if (vec->genkey) { /* Save the shared secret obtained by party A */ - a_ss = kzalloc(vec->expected_ss_size, GFP_KERNEL); + a_ss = kmemdup(sg_virt(req->dst), vec->expected_ss_size, GFP_KERNEL); if (!a_ss) { err = -ENOMEM; goto free_all; } - memcpy(a_ss, sg_virt(req->dst), vec->expected_ss_size); /* * Calculate party B's shared secret by using party A's -- cgit v1.2.3-58-ga151