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Diffstat (limited to 'crypto/algif_skcipher.c')
-rw-r--r--crypto/algif_skcipher.c23
1 files changed, 12 insertions, 11 deletions
diff --git a/crypto/algif_skcipher.c b/crypto/algif_skcipher.c
index 9954b078f0b9..30cff827dd8f 100644
--- a/crypto/algif_skcipher.c
+++ b/crypto/algif_skcipher.c
@@ -117,6 +117,7 @@ static int _skcipher_recvmsg(struct socket *sock, struct msghdr *msg,
117 117
118 if (msg->msg_iocb && !is_sync_kiocb(msg->msg_iocb)) { 118 if (msg->msg_iocb && !is_sync_kiocb(msg->msg_iocb)) {
119 /* AIO operation */ 119 /* AIO operation */
120 sock_hold(sk);
120 areq->iocb = msg->msg_iocb; 121 areq->iocb = msg->msg_iocb;
121 skcipher_request_set_callback(&areq->cra_u.skcipher_req, 122 skcipher_request_set_callback(&areq->cra_u.skcipher_req,
122 CRYPTO_TFM_REQ_MAY_SLEEP, 123 CRYPTO_TFM_REQ_MAY_SLEEP,
@@ -124,6 +125,16 @@ static int _skcipher_recvmsg(struct socket *sock, struct msghdr *msg,
124 err = ctx->enc ? 125 err = ctx->enc ?
125 crypto_skcipher_encrypt(&areq->cra_u.skcipher_req) : 126 crypto_skcipher_encrypt(&areq->cra_u.skcipher_req) :
126 crypto_skcipher_decrypt(&areq->cra_u.skcipher_req); 127 crypto_skcipher_decrypt(&areq->cra_u.skcipher_req);
128
129 /* AIO operation in progress */
130 if (err == -EINPROGRESS || err == -EBUSY) {
131 /* Remember output size that will be generated. */
132 areq->outlen = len;
133
134 return -EIOCBQUEUED;
135 }
136
137 sock_put(sk);
127 } else { 138 } else {
128 /* Synchronous operation */ 139 /* Synchronous operation */
129 skcipher_request_set_callback(&areq->cra_u.skcipher_req, 140 skcipher_request_set_callback(&areq->cra_u.skcipher_req,
@@ -136,19 +147,9 @@ static int _skcipher_recvmsg(struct socket *sock, struct msghdr *msg,
136 &ctx->wait); 147 &ctx->wait);
137 } 148 }
138 149
139 /* AIO operation in progress */
140 if (err == -EINPROGRESS) {
141 sock_hold(sk);
142
143 /* Remember output size that will be generated. */
144 areq->outlen = len;
145
146 return -EIOCBQUEUED;
147 }
148 150
149free: 151free:
150 af_alg_free_areq_sgls(areq); 152 af_alg_free_resources(areq);
151 sock_kfree_s(sk, areq, areq->areqlen);
152 153
153 return err ? err : len; 154 return err ? err : len;
154} 155}