[PATCH blktests] nvme/043,044,045: load dh_generic module

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Test cases nvme/043, 044 and 045 use DH group which relies on dh_generic
module. When the module is built as a loadable module, the test cases
fail since the module is not loaded at test case runs.

To avoid the failures, load the dh_generic module at the preparation
step of the test cases. Also unload it at test end for clean up.

Reported-by: Sagi Grimberg <sagi@xxxxxxxxxxx>
Fixes: 38d7c5e8400f ("nvme/043: test hash and dh group variations for authenticated connections")
Fixes: 63bdf9c16b19 ("nvme/044: test bi-directional authentication")
Fixes: 7640176ef7cc ("nvme/045: test re-authentication")
Signed-off-by: Shin'ichiro Kawasaki <shinichiro.kawasaki@xxxxxxx>
Link: https://lore.kernel.org/linux-block/a5c3c8e7-4b0a-9930-8f90-e534d2a82bdf@xxxxxxxxxxx/
---
 tests/nvme/043 | 4 ++++
 tests/nvme/044 | 4 ++++
 tests/nvme/045 | 4 ++++
 3 files changed, 12 insertions(+)

diff --git a/tests/nvme/043 b/tests/nvme/043
index 381ae75..dbe9d3f 100755
--- a/tests/nvme/043
+++ b/tests/nvme/043
@@ -40,6 +40,8 @@ test() {
 
 	_setup_nvmet
 
+	modprobe -q dh_generic
+
 	truncate -s 512M "${file_path}"
 
 	_create_nvmet_subsystem "${subsys_name}" "${file_path}"
@@ -88,5 +90,7 @@ test() {
 
 	rm "${file_path}"
 
+	modprobe -qr dh_generic
+
 	echo "Test complete"
 }
diff --git a/tests/nvme/044 b/tests/nvme/044
index 0465531..5ef6160 100755
--- a/tests/nvme/044
+++ b/tests/nvme/044
@@ -51,6 +51,8 @@ test() {
 
 	_setup_nvmet
 
+	modprobe -q dh_generic
+
 	truncate -s 512M "${file_path}"
 
 	_create_nvmet_subsystem "${subsys_name}" "${file_path}"
@@ -118,5 +120,7 @@ test() {
 
 	rm "${file_path}"
 
+	modprobe -qr dh_generic
+
 	echo "Test complete"
 }
diff --git a/tests/nvme/045 b/tests/nvme/045
index b60f18f..1d44c55 100755
--- a/tests/nvme/045
+++ b/tests/nvme/045
@@ -53,6 +53,8 @@ test() {
 
 	_setup_nvmet
 
+	modprobe -q dh_generic
+
 	truncate -s 512M "${file_path}"
 
 	_create_nvmet_subsystem "${subsys_name}" "${file_path}"
@@ -130,5 +132,7 @@ test() {
 
 	rm "${file_path}"
 
+	modprobe -qr dh_generic
+
 	echo "Test complete"
 }
-- 
2.37.1




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