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-rw-r--r--crypto/algif_hash.c17
1 files changed, 10 insertions, 7 deletions
diff --git a/crypto/algif_hash.c b/crypto/algif_hash.c
index 2d8466f9e49b..05e21b464433 100644
--- a/crypto/algif_hash.c
+++ b/crypto/algif_hash.c
@@ -214,23 +214,26 @@ static int hash_recvmsg(struct socket *sock, struct msghdr *msg, size_t len,
214 214
215 ahash_request_set_crypt(&ctx->req, NULL, ctx->result, 0); 215 ahash_request_set_crypt(&ctx->req, NULL, ctx->result, 0);
216 216
217 if (ctx->more) { 217 if (!result) {
218 err = af_alg_wait_for_completion(
219 crypto_ahash_init(&ctx->req),
220 &ctx->completion);
221 if (err)
222 goto unlock;
223 }
224
225 if (!result || ctx->more) {
218 ctx->more = 0; 226 ctx->more = 0;
219 err = af_alg_wait_for_completion(crypto_ahash_final(&ctx->req), 227 err = af_alg_wait_for_completion(crypto_ahash_final(&ctx->req),
220 &ctx->completion); 228 &ctx->completion);
221 if (err) 229 if (err)
222 goto unlock; 230 goto unlock;
223 } else if (!result) {
224 err = af_alg_wait_for_completion(
225 crypto_ahash_digest(&ctx->req),
226 &ctx->completion);
227 } 231 }
228 232
229 err = memcpy_to_msg(msg, ctx->result, len); 233 err = memcpy_to_msg(msg, ctx->result, len);
230 234
231 hash_free_result(sk, ctx);
232
233unlock: 235unlock:
236 hash_free_result(sk, ctx);
234 release_sock(sk); 237 release_sock(sk);
235 238
236 return err ?: len; 239 return err ?: len;