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Commit 4cdf101e authored by Gary R Hook's avatar Gary R Hook Committed by Herbert Xu
Browse files

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: default avatarGary R Hook <gary.hook@amd.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent a60496a0

drivers/crypto/ccp/ccp-dev-v5.c

+5 −2
Original line number Diff line number Diff line
@@ -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)