Register a minimal platform driver associated with the parent platform
device used for testing to prevent a null-ptr-deref when try_module_get()
is called by __fpga_bridge_get().
Fixes: 9e6823481e5f ("fpga: add an initial KUnit suite for the FPGA Bridge")
Reported-by: Jinjie Ruan <ruanjinjie@xxxxxxxxxx>
Signed-off-by: Marco Pagani <marpagan@xxxxxxxxxx>
---
drivers/fpga/tests/fpga-bridge-test.c | 18 +++++++++++++++++-
1 file changed, 17 insertions(+), 1 deletion(-)
diff --git a/drivers/fpga/tests/fpga-bridge-test.c b/drivers/fpga/tests/fpga-bridge-test.c
index 1d258002cdd7..4bd4ecaa7e90 100644
--- a/drivers/fpga/tests/fpga-bridge-test.c
+++ b/drivers/fpga/tests/fpga-bridge-test.c
@@ -13,6 +13,8 @@
#include <linux/module.h>
#include <linux/types.h>
+#include "fpga-test-helpers.h"
+
struct bridge_stats {
bool enable;
};
@@ -53,7 +55,7 @@ static struct bridge_ctx *register_test_bridge(struct kunit *test)
ctx = kunit_kzalloc(test, sizeof(*ctx), GFP_KERNEL);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ctx);
- ctx->pdev = platform_device_register_simple("bridge_pdev", PLATFORM_DEVID_AUTO, NULL, 0);
+ ctx->pdev = platform_device_register_simple(TEST_PDEV_NAME, PLATFORM_DEVID_AUTO, NULL, 0);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ctx->pdev);
ctx->bridge = fpga_bridge_register(&ctx->pdev->dev, "Fake FPGA bridge", &fake_bridge_ops,
@@ -144,6 +146,18 @@ static void fpga_bridge_test_get_put_list(struct kunit *test)
unregister_test_bridge(ctx_1);
}
+TEST_PLATFORM_DRIVER(test_platform_driver);
+
+static int fpga_bridge_test_suite_init(struct kunit_suite *suite)
+{
+ return platform_driver_register(&test_platform_driver);
+}
+
+static void fpga_bridge_test_suite_exit(struct kunit_suite *suite)
+{
+ platform_driver_unregister(&test_platform_driver);
+}
+
static int fpga_bridge_test_init(struct kunit *test)
{
test->priv = register_test_bridge(test);
@@ -165,6 +179,8 @@ static struct kunit_case fpga_bridge_test_cases[] = {
static struct kunit_suite fpga_bridge_suite = {
.name = "fpga_bridge",
+ .suite_init = fpga_bridge_test_suite_init,
+ .suite_exit = fpga_bridge_test_suite_exit,
.init = fpga_bridge_test_init,
.exit = fpga_bridge_test_exit,
.test_cases = fpga_bridge_test_cases,
--
2.41.0
