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| author | Gary R Hook <gary.hook@amd.com> | 2017-02-09 22:49:57 +0100 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2017-02-15 06:23:34 +0100 |
| commit | 4cdf101ef444e47bc8869ef3e90396e828fd9b61 (patch) | |
| tree | dbea4b6ab8c2f394e1299e06b49bd32caa285c29 | |
| parent | crypto: ccp - Change mode for detailed CCP init messages (diff) | |
| download | linux-4cdf101ef444e47bc8869ef3e90396e828fd9b61.tar.xz linux-4cdf101ef444e47bc8869ef3e90396e828fd9b61.zip | |
crypto: ccp - Update the command queue on errors
Move the command queue tail pointer when an error is
detected. Always return the error.
Signed-off-by: Gary R Hook <gary.hook@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| -rw-r--r-- | drivers/crypto/ccp/ccp-dev-v5.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/crypto/ccp/ccp-dev-v5.c b/drivers/crypto/ccp/ccp-dev-v5.c index e0dfb6a05c48..41cc853f8569 100644 --- a/drivers/crypto/ccp/ccp-dev-v5.c +++ b/drivers/crypto/ccp/ccp-dev-v5.c @@ -250,17 +250,20 @@ static int ccp5_do_cmd(struct ccp5_desc *desc, ret = wait_event_interruptible(cmd_q->int_queue, cmd_q->int_rcvd); if (ret || cmd_q->cmd_error) { + /* Log the error and flush the queue by + * moving the head pointer + */ if (cmd_q->cmd_error) ccp_log_error(cmd_q->ccp, cmd_q->cmd_error); - /* A version 5 device doesn't use Job IDs... */ + iowrite32(tail, cmd_q->reg_head_lo); if (!ret) ret = -EIO; } cmd_q->int_rcvd = 0; } - return 0; + return ret; } static int ccp5_perform_aes(struct ccp_op *op) |