From 6da98786438a53b1442d001559dda1323f903b8f Mon Sep 17 00:00:00 2001
From: Alexey Marchuk <alexeymar@nvidia.com>
Date: Tue, 17 Jan 2023 13:29:00 +0100
Subject: [PATCH] accel/dpdk_cryptodev: Fix io_dev unregister

It was found that if system has no crypto devs,
we exit earlier from init function and don't register
io_device. Later in fini function we may try to unregister
invalid io_device

Signed-off-by: Alexey Marchuk <alexeymar@nvidia.com>
Change-Id: I23ac9674c02d4fe97f01c66928a5ec5a2b39ec47
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/16321
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-by: Paul Luse <paul.e.luse@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
---
 module/accel/dpdk_cryptodev/accel_dpdk_cryptodev.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/module/accel/dpdk_cryptodev/accel_dpdk_cryptodev.c b/module/accel/dpdk_cryptodev/accel_dpdk_cryptodev.c
index ed0c5894d..7fa123990 100644
--- a/module/accel/dpdk_cryptodev/accel_dpdk_cryptodev.c
+++ b/module/accel/dpdk_cryptodev/accel_dpdk_cryptodev.c
@@ -1314,7 +1314,9 @@ accel_dpdk_cryptodev_fini_cb(void *io_device)
 static void
 accel_dpdk_cryptodev_fini(void *ctx)
 {
-	spdk_io_device_unregister(&g_accel_dpdk_cryptodev_module, accel_dpdk_cryptodev_fini_cb);
+	if (g_crypto_op_mp) {
+		spdk_io_device_unregister(&g_accel_dpdk_cryptodev_module, accel_dpdk_cryptodev_fini_cb);
+	}
 }
 
 static void