[dpdk-dev] [PATCH] cryptodev: fix pmd allocation on multi-process

Julien Meunier julien.meunier at nokia.com
Wed Aug 7 10:39:23 CEST 2019


Primary process is responsible to initialize the data struct of each
crypto devices.

Secondary process should not override this data during the
initialization.

Fixes: d11b0f30df88 ("cryptodev: introduce API and framework for crypto devices")
Cc: stable at dpdk.org

Signed-off-by: Julien Meunier <julien.meunier at nokia.com>
---
 lib/librte_cryptodev/rte_cryptodev.c | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/lib/librte_cryptodev/rte_cryptodev.c b/lib/librte_cryptodev/rte_cryptodev.c
index 43bc335..b16ef7b 100644
--- a/lib/librte_cryptodev/rte_cryptodev.c
+++ b/lib/librte_cryptodev/rte_cryptodev.c
@@ -725,12 +725,14 @@ rte_cryptodev_pmd_allocate(const char *name, int socket_id)
 
 		cryptodev->data = *cryptodev_data;
 
-		strlcpy(cryptodev->data->name, name,
-			RTE_CRYPTODEV_NAME_MAX_LEN);
+		if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
+			strlcpy(cryptodev->data->name, name,
+				RTE_CRYPTODEV_NAME_MAX_LEN);
 
-		cryptodev->data->dev_id = dev_id;
-		cryptodev->data->socket_id = socket_id;
-		cryptodev->data->dev_started = 0;
+			cryptodev->data->dev_id = dev_id;
+			cryptodev->data->socket_id = socket_id;
+			cryptodev->data->dev_started = 0;
+		}
 
 		/* init user callbacks */
 		TAILQ_INIT(&(cryptodev->link_intr_cbs));
-- 
2.10.2



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