tests: ibecc: Fix using global device pointer

Removing global device pointer fixes issues with uninitialized device.

Signed-off-by: Andrei Emeltchenko <[email protected]>

Author: finikorg

tests/subsys/edac/ibecc/src/ibecc.c

@@ -22,10 +22,10 @@
 #define DURATION		100
 #endif
 
-const struct device *dev;
-
 static void test_ibecc_initialized(void)
 {
+	const struct device *dev;
+
 	dev = device_get_binding(DEVICE_NAME);
 	zassert_not_null(dev, "Device not found");
 
@@ -52,11 +52,15 @@ static void callback(const struct device *d, void *data)
 
 static void test_ibecc_api(void)
 {
+	const struct device *dev;
 	uint64_t value;
 	int ret;
 
 	/* Error log API */
 
+	dev = device_get_binding(DEVICE_NAME);
+	zassert_not_null(dev, "Device not found");
+
 	ret = edac_ecc_error_log_get(dev, &value);
 	zassert_equal(ret, -ENODATA, "edac_ecc_error_log_get failed");
 
@@ -86,10 +90,14 @@ static void test_ibecc_api(void)
 #if defined(CONFIG_EDAC_ERROR_INJECT)
 static void test_ibecc_error_inject_api(void)
 {
+	const struct device *dev;
 	uint32_t test_value;
 	uint64_t val;
 	int ret;
 
+	dev = device_get_binding(DEVICE_NAME);
+	zassert_not_null(dev, "Device not found");
+
 	/* Verify default parameters */
 
 	ret = edac_inject_get_error_type(dev, &test_value);
@@ -154,7 +162,8 @@ static void test_ibecc_error_inject_api(void)
 #endif
 
 #if defined(CONFIG_EDAC_ERROR_INJECT)
-static void test_inject(uint64_t addr, uint64_t mask, uint8_t type)
+static void test_inject(const struct device *dev, uint64_t addr, uint64_t mask,
+			uint8_t type)
 {
 	unsigned int errors_cor, errors_uc;
 	uint64_t test_addr;
@@ -258,13 +267,17 @@ static int check_values(void *p1, void *p2, void *p3)
 
 static void ibecc_error_inject_test(uint64_t addr, uint64_t mask, uint64_t type)
 {
+	const struct device *dev;
 	int ret;
 
+	dev = device_get_binding(DEVICE_NAME);
+	zassert_not_null(dev, "Device not found");
+
 	ret = edac_notify_callback_set(dev, callback);
 	zassert_equal(ret, 0, "Error setting notification callback");
 
 	/* Test injecting correctable error at address TEST_ADDRESS1 */
-	test_inject(addr, mask, type);
+	test_inject(dev, addr, mask, type);
 
 #if defined(CONFIG_USERSPACE)
 	k_thread_user_mode_enter((k_thread_entry_t)check_values,