Commit 0611451b authored by Tom Lendacky's avatar Tom Lendacky Committed by Herbert Xu

crypto: ccp - Prevent a possible lost CCP command request

If a CCP command has been queued for processing at the
crypto layer then, when dequeueing it for processing, the
"can backlog" flag must be set so that the request isn't
lost if the CCP backlog queue limit is reached.
Signed-off-by: default avatarTom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent f829e7a3
...@@ -174,6 +174,10 @@ static void ccp_crypto_complete(void *data, int err) ...@@ -174,6 +174,10 @@ static void ccp_crypto_complete(void *data, int err)
/* Submit the next cmd */ /* Submit the next cmd */
while (held) { while (held) {
/* Since we have already queued the cmd, we must indicate that
* we can backlog so as not to "lose" this request.
*/
held->cmd->flags |= CCP_CMD_MAY_BACKLOG;
ret = ccp_enqueue_cmd(held->cmd); ret = ccp_enqueue_cmd(held->cmd);
if (ccp_crypto_success(ret)) if (ccp_crypto_success(ret))
break; break;
......
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