genirq/test: Fail early if interrupt request fails

Requesting an interrupt is part of the basic test setup. If it fails, most
of the subsequent tests are likely to fail, and the output gets noisy.

Use "assert" to fail early.

Signed-off-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: David Gow <davidgow@google.com>
Link: https://lore.kernel.org/all/20250822190140.2154646-4-briannorris@chromium.org

Author: computersforpeace

kernel/irq/irq_test.c

@@ -71,7 +71,7 @@ static void irq_disable_depth_test(struct kunit *test)
 	KUNIT_ASSERT_PTR_NE(test, desc, NULL);
 
 	ret = request_irq(virq, noop_handler, 0, "test_irq", NULL);
-	KUNIT_EXPECT_EQ(test, ret, 0);
+	KUNIT_ASSERT_EQ(test, ret, 0);
 
 	KUNIT_EXPECT_EQ(test, desc->depth, 0);
 
@@ -95,7 +95,7 @@ static void irq_free_disabled_test(struct kunit *test)
 	KUNIT_ASSERT_PTR_NE(test, desc, NULL);
 
 	ret = request_irq(virq, noop_handler, 0, "test_irq", NULL);
-	KUNIT_EXPECT_EQ(test, ret, 0);
+	KUNIT_ASSERT_EQ(test, ret, 0);
 
 	KUNIT_EXPECT_EQ(test, desc->depth, 0);
 
@@ -106,7 +106,7 @@ static void irq_free_disabled_test(struct kunit *test)
 	KUNIT_EXPECT_GE(test, desc->depth, 1);
 
 	ret = request_irq(virq, noop_handler, 0, "test_irq", NULL);
-	KUNIT_EXPECT_EQ(test, ret, 0);
+	KUNIT_ASSERT_EQ(test, ret, 0);
 	KUNIT_EXPECT_EQ(test, desc->depth, 0);
 
 	free_irq(virq, NULL);
@@ -134,7 +134,7 @@ static void irq_shutdown_depth_test(struct kunit *test)
 	KUNIT_ASSERT_PTR_NE(test, data, NULL);
 
 	ret = request_irq(virq, noop_handler, 0, "test_irq", NULL);
-	KUNIT_EXPECT_EQ(test, ret, 0);
+	KUNIT_ASSERT_EQ(test, ret, 0);
 
 	KUNIT_EXPECT_TRUE(test, irqd_is_activated(data));
 	KUNIT_EXPECT_TRUE(test, irqd_is_started(data));
@@ -191,7 +191,7 @@ static void irq_cpuhotplug_test(struct kunit *test)
 	KUNIT_ASSERT_PTR_NE(test, data, NULL);
 
 	ret = request_irq(virq, noop_handler, 0, "test_irq", NULL);
-	KUNIT_EXPECT_EQ(test, ret, 0);
+	KUNIT_ASSERT_EQ(test, ret, 0);
 
 	KUNIT_EXPECT_TRUE(test, irqd_is_activated(data));
 	KUNIT_EXPECT_TRUE(test, irqd_is_started(data));