[v3,03/13] security: fix session counter

Message ID 20200409172502.1693-4-l.wojciechow@partner.samsung.com (mailing list archive)
State Accepted, archived
Delegated to: akhil goyal
Headers
Series Fixes and unit tests for librte_security |

Checks

Context Check Description
ci/checkpatch warning coding style issues
ci/Intel-compilation success Compilation OK

Commit Message

Lukasz Wojciechowski April 9, 2020, 5:24 p.m. UTC
  Fix session counter to be decreased in rte_security_session_destroy
only when session was successfully destroyed.

Formerly session counter was decreased prior session destroying
and returning session object to mempool. It remained decreased even
if session was not destroyed and mempool object released making counter
invalid.

Fixes: c261d1431bd8 ("security: introduce security API and framework")
Cc: akhil.goyal@nxp.com

Cc: stable@dpdk.org

Signed-off-by: Lukasz Wojciechowski <l.wojciechow@partner.samsung.com>
---
 lib/librte_security/rte_security.c | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)
  

Comments

Anoob Joseph April 13, 2020, 3:48 p.m. UTC | #1
> Fix session counter to be decreased in rte_security_session_destroy only when
> session was successfully destroyed.
> 
> Formerly session counter was decreased prior session destroying and returning
> session object to mempool. It remained decreased even if session was not
> destroyed and mempool object released making counter invalid.
> 
> Fixes: c261d1431bd8 ("security: introduce security API and framework")
> Cc: akhil.goyal@nxp.com
> 
> Cc: stable@dpdk.org
> 
> Signed-off-by: Lukasz Wojciechowski <l.wojciechow@partner.samsung.com>

Acked-by: Anoob Joseph <anoobj@marvell.com>
  

Patch

diff --git a/lib/librte_security/rte_security.c b/lib/librte_security/rte_security.c
index 38ccc2ea9..d475b0977 100644
--- a/lib/librte_security/rte_security.c
+++ b/lib/librte_security/rte_security.c
@@ -90,14 +90,16 @@  rte_security_session_destroy(struct rte_security_ctx *instance,
 			-ENOTSUP);
 	RTE_PTR_OR_ERR_RET(sess, -EINVAL);
 
+	ret = instance->ops->session_destroy(instance->device, sess);
+	if (ret != 0)
+		return ret;
+
+	rte_mempool_put(rte_mempool_from_obj(sess), (void *)sess);
+
 	if (instance->sess_cnt)
 		instance->sess_cnt--;
 
-	ret = instance->ops->session_destroy(instance->device, sess);
-	if (!ret)
-		rte_mempool_put(rte_mempool_from_obj(sess), (void *)sess);
-
-	return ret;
+	return 0;
 }
 
 int