diff options
| author | Gilad Ben-Yossef <gilad@benyossef.com> | 2017-10-18 08:00:34 +0100 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2017-11-03 22:11:16 +0800 |
| commit | cfba73d25f0eca9f01f565f0243e3083f4667234 (patch) | |
| tree | 341a9b523fb465376ae6225f161f0b87b399c1cf /drivers/crypto/ccp | |
| parent | 6b80ea389a0bceee6a0a801474b78ad0a8cd034d (diff) | |
| download | linux-0-day-cfba73d25f0eca9f01f565f0243e3083f4667234.tar.gz linux-0-day-cfba73d25f0eca9f01f565f0243e3083f4667234.tar.xz | |
crypto: ccp - use -ENOSPC for transient busy indication
Replace -EBUSY with -ENOSPC when reporting transient busy
indication in the absence of backlog.
Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
Reviewed-by: Gary R Hook <gary.hook@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/ccp')
| -rw-r--r-- | drivers/crypto/ccp/ccp-crypto-main.c | 8 | ||||
| -rw-r--r-- | drivers/crypto/ccp/ccp-dev.c | 7 |
2 files changed, 8 insertions, 7 deletions
diff --git a/drivers/crypto/ccp/ccp-crypto-main.c b/drivers/crypto/ccp/ccp-crypto-main.c index 35a9de7fd475a..b95d19974aa6e 100644 --- a/drivers/crypto/ccp/ccp-crypto-main.c +++ b/drivers/crypto/ccp/ccp-crypto-main.c @@ -222,9 +222,10 @@ static int ccp_crypto_enqueue_cmd(struct ccp_crypto_cmd *crypto_cmd) /* Check if the cmd can/should be queued */ if (req_queue.cmd_count >= CCP_CRYPTO_MAX_QLEN) { - ret = -EBUSY; - if (!(crypto_cmd->cmd->flags & CCP_CMD_MAY_BACKLOG)) + if (!(crypto_cmd->cmd->flags & CCP_CMD_MAY_BACKLOG)) { + ret = -ENOSPC; goto e_lock; + } } /* Look for an entry with the same tfm. If there is a cmd @@ -243,9 +244,6 @@ static int ccp_crypto_enqueue_cmd(struct ccp_crypto_cmd *crypto_cmd) ret = ccp_enqueue_cmd(crypto_cmd->cmd); if (!ccp_crypto_success(ret)) goto e_lock; /* Error, don't queue it */ - if ((ret == -EBUSY) && - !(crypto_cmd->cmd->flags & CCP_CMD_MAY_BACKLOG)) - goto e_lock; /* Not backlogging, don't queue it */ } if (req_queue.cmd_count >= CCP_CRYPTO_MAX_QLEN) { diff --git a/drivers/crypto/ccp/ccp-dev.c b/drivers/crypto/ccp/ccp-dev.c index 4e029b1766416..1b5035d562880 100644 --- a/drivers/crypto/ccp/ccp-dev.c +++ b/drivers/crypto/ccp/ccp-dev.c @@ -292,9 +292,12 @@ int ccp_enqueue_cmd(struct ccp_cmd *cmd) i = ccp->cmd_q_count; if (ccp->cmd_count >= MAX_CMD_QLEN) { - ret = -EBUSY; - if (cmd->flags & CCP_CMD_MAY_BACKLOG) + if (cmd->flags & CCP_CMD_MAY_BACKLOG) { + ret = -EBUSY; list_add_tail(&cmd->entry, &ccp->backlog); + } else { + ret = -ENOSPC; + } } else { ret = -EINPROGRESS; ccp->cmd_count++; |