From 4a4b0bad0653a0dce876987f7487b2c5e3ecb05f Mon Sep 17 00:00:00 2001 From: Tadeusz Struk Date: Fri, 16 Oct 2015 11:40:56 -0700 Subject: [PATCH] crypto: qat - fix crypto_get_instance_node function qat_crypto_get_instance_node function needs to handle situation when the first dev in the list is not started. Signed-off-by: Tadeusz Struk Signed-off-by: Herbert Xu --- drivers/crypto/qat/qat_common/qat_crypto.c | 20 ++++++++++++++++---- 1 file changed, 16 insertions(+), 4 deletions(-) diff --git a/drivers/crypto/qat/qat_common/qat_crypto.c b/drivers/crypto/qat/qat_common/qat_crypto.c index 25db27c7bebb..9cab15497f04 100644 --- a/drivers/crypto/qat/qat_common/qat_crypto.c +++ b/drivers/crypto/qat/qat_common/qat_crypto.c @@ -118,11 +118,23 @@ struct qat_crypto_instance *qat_crypto_get_instance_node(int node) } } } - if (!accel_dev) { - pr_err("QAT: Could not find a device on node %d\n", node); - accel_dev = adf_devmgr_get_first(); + if (!accel_dev) + pr_info("QAT: Could not find a device on node %d\n", node); + + /* Get any started device */ + list_for_each(itr, adf_devmgr_get_head()) { + struct adf_accel_dev *tmp_dev; + + tmp_dev = list_entry(itr, struct adf_accel_dev, list); + + if (adf_dev_started(tmp_dev) && + !list_empty(&tmp_dev->crypto_list)) { + accel_dev = tmp_dev; + break; + } } - if (!accel_dev || !adf_dev_started(accel_dev)) + + if (!accel_dev) return NULL; best = ~0; -- 2.45.2