From: Dan Aloni dan@kernelim.com
[ Upstream commit 3944f139d5592790b70bc64f197162e643a8512b ]
The encryption mode of pkcs1pad never uses out_sg and out_buf, so there's no need to allocate the buffer, which presently is not even being freed.
CC: Herbert Xu herbert@gondor.apana.org.au CC: linux-crypto@vger.kernel.org CC: "David S. Miller" davem@davemloft.net Signed-off-by: Dan Aloni dan@kernelim.com Signed-off-by: Herbert Xu herbert@gondor.apana.org.au Signed-off-by: Sasha Levin sashal@kernel.org --- crypto/rsa-pkcs1pad.c | 9 --------- 1 file changed, 9 deletions(-)
diff --git a/crypto/rsa-pkcs1pad.c b/crypto/rsa-pkcs1pad.c index 7830d304dff6f..d58224d808675 100644 --- a/crypto/rsa-pkcs1pad.c +++ b/crypto/rsa-pkcs1pad.c @@ -267,15 +267,6 @@ static int pkcs1pad_encrypt(struct akcipher_request *req) pkcs1pad_sg_set_buf(req_ctx->in_sg, req_ctx->in_buf, ctx->key_size - 1 - req->src_len, req->src);
- req_ctx->out_buf = kmalloc(ctx->key_size, GFP_KERNEL); - if (!req_ctx->out_buf) { - kfree(req_ctx->in_buf); - return -ENOMEM; - } - - pkcs1pad_sg_set_buf(req_ctx->out_sg, req_ctx->out_buf, - ctx->key_size, NULL); - akcipher_request_set_tfm(&req_ctx->child_req, ctx->child); akcipher_request_set_callback(&req_ctx->child_req, req->base.flags, pkcs1pad_encrypt_sign_complete_cb, req);