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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 <tadeusz.struk@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
hifive-unleashed-5.1
Tadeusz Struk 2015-10-16 11:40:56 -07:00 committed by Herbert Xu
parent f02b7d0c7b
commit 4a4b0bad06
1 changed files with 16 additions and 4 deletions
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20
drivers/crypto/qat/qat_common/qat_crypto.c
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@ -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;