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Wysocki" Subject: drivers/base/power/runtime-test.c:22 pm_runtime_depth_test() warn: pm_runtime_get_sync() also returns 1 on success Message-ID: <202601091832.YueBSiOb-lkp@intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 623fb9912f6af600cda3b6bd166ac738c1115ef4 commit: 7f7acd193ba8aaa8ed07cfadc335bb17a991fd42 PM: runtime: Add basic kunit tests for API contracts config: x86_64-randconfig-161-20260109 (https://download.01.org/0day-ci/archive/20260109/202601091832.YueBSiOb-lkp@intel.com/config) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 smatch version: v0.5.0-8985-g2614ff1a If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Reported-by: Dan Carpenter | Closes: https://lore.kernel.org/r/202601091832.YueBSiOb-lkp@intel.com/ New smatch warnings: drivers/base/power/runtime-test.c:22 pm_runtime_depth_test() warn: pm_runtime_get_sync() also returns 1 on success drivers/base/power/runtime-test.c:78 pm_runtime_idle_test() warn: pm_runtime_get_sync() also returns 1 on success drivers/base/power/runtime-test.c:182 pm_runtime_error_test() warn: pm_runtime_get_sync() also returns 1 on success Old smatch warnings: drivers/base/power/runtime-test.c:185 pm_runtime_error_test() warn: pm_runtime_get_sync() also returns 1 on success vim +22 drivers/base/power/runtime-test.c 7f7acd193ba8aa Brian Norris 2025-09-25 13 static void pm_runtime_depth_test(struct kunit *test) 7f7acd193ba8aa Brian Norris 2025-09-25 14 { 7f7acd193ba8aa Brian Norris 2025-09-25 15 struct device *dev = kunit_device_register(test, DEVICE_NAME); 7f7acd193ba8aa Brian Norris 2025-09-25 16 7f7acd193ba8aa Brian Norris 2025-09-25 17 KUNIT_ASSERT_PTR_NE(test, NULL, dev); 7f7acd193ba8aa Brian Norris 2025-09-25 18 7f7acd193ba8aa Brian Norris 2025-09-25 19 pm_runtime_enable(dev); 7f7acd193ba8aa Brian Norris 2025-09-25 20 7f7acd193ba8aa Brian Norris 2025-09-25 21 KUNIT_EXPECT_TRUE(test, pm_runtime_suspended(dev)); 7f7acd193ba8aa Brian Norris 2025-09-25 @22 KUNIT_EXPECT_EQ(test, 0, pm_runtime_get_sync(dev)); Use pm_runtime_resume_and_get()? 7f7acd193ba8aa Brian Norris 2025-09-25 23 KUNIT_EXPECT_TRUE(test, pm_runtime_active(dev)); 7f7acd193ba8aa Brian Norris 2025-09-25 24 KUNIT_EXPECT_EQ(test, 1, pm_runtime_get_sync(dev)); /* "already active" */ 7f7acd193ba8aa Brian Norris 2025-09-25 25 KUNIT_EXPECT_EQ(test, 0, pm_runtime_put_sync(dev)); 7f7acd193ba8aa Brian Norris 2025-09-25 26 KUNIT_EXPECT_EQ(test, 0, pm_runtime_put_sync(dev)); 7f7acd193ba8aa Brian Norris 2025-09-25 27 KUNIT_EXPECT_TRUE(test, pm_runtime_suspended(dev)); 7f7acd193ba8aa Brian Norris 2025-09-25 28 }