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Message-ID: <2444c3ff-eaf3-4cb9-851b-8e92156128b0@kadam.mountain>
Date: Fri, 11 Aug 2023 08:20:11 +0300
From: Dan Carpenter <dan.carpenter@...aro.org>
To: oe-kbuild@...ts.linux.dev, Bartosz Golaszewski <brgl@...ev.pl>,
Linus Walleij <linus.walleij@...aro.org>,
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
Kent Gibson <warthog618@...il.com>
Cc: lkp@...el.com, oe-kbuild-all@...ts.linux.dev,
linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: Re: [PATCH 2/2] gpio: sim: simplify code with cleanup helpers
Hi Bartosz,
kernel test robot noticed the following build warnings:
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Bartosz-Golaszewski/gpio-sim-simplify-code-with-cleanup-helpers/20230809-211601
base: https://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux.git gpio/for-next
patch link: https://lore.kernel.org/r/20230809131442.25524-2-brgl%40bgdev.pl
patch subject: [PATCH 2/2] gpio: sim: simplify code with cleanup helpers
config: i386-randconfig-m021-20230809 (https://download.01.org/0day-ci/archive/20230811/202308110253.R2TUMfFr-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce: (https://download.01.org/0day-ci/archive/20230811/202308110253.R2TUMfFr-lkp@intel.com/reproduce)
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 <lkp@...el.com>
| Reported-by: Dan Carpenter <dan.carpenter@...aro.org>
| Closes: https://lore.kernel.org/r/202308110253.R2TUMfFr-lkp@intel.com/
smatch warnings:
drivers/gpio/gpio-sim.c:1472 gpio_sim_config_make_device_group() warn: possible memory leak of 'dev'
vim +/dev +1472 drivers/gpio/gpio-sim.c
cb8c474e79be45 Bartosz Golaszewski 2021-12-07 1460 static struct config_group *
cb8c474e79be45 Bartosz Golaszewski 2021-12-07 1461 gpio_sim_config_make_device_group(struct config_group *group, const char *name)
cb8c474e79be45 Bartosz Golaszewski 2021-12-07 1462 {
c7a663cdcfc698 Bartosz Golaszewski 2023-08-09 1463 struct gpio_sim_device *dev __free(kfree) = NULL;
cb8c474e79be45 Bartosz Golaszewski 2021-12-07 1464 int id;
cb8c474e79be45 Bartosz Golaszewski 2021-12-07 1465
cb8c474e79be45 Bartosz Golaszewski 2021-12-07 1466 dev = kzalloc(sizeof(*dev), GFP_KERNEL);
cb8c474e79be45 Bartosz Golaszewski 2021-12-07 1467 if (!dev)
cb8c474e79be45 Bartosz Golaszewski 2021-12-07 1468 return ERR_PTR(-ENOMEM);
cb8c474e79be45 Bartosz Golaszewski 2021-12-07 1469
cb8c474e79be45 Bartosz Golaszewski 2021-12-07 1470 id = ida_alloc(&gpio_sim_ida, GFP_KERNEL);
c7a663cdcfc698 Bartosz Golaszewski 2023-08-09 1471 if (id < 0)
cb8c474e79be45 Bartosz Golaszewski 2021-12-07 @1472 return ERR_PTR(id);
kfree(dev);
cb8c474e79be45 Bartosz Golaszewski 2021-12-07 1473
cb8c474e79be45 Bartosz Golaszewski 2021-12-07 1474 config_group_init_type_name(&dev->group, name,
cb8c474e79be45 Bartosz Golaszewski 2021-12-07 1475 &gpio_sim_device_config_group_type);
cb8c474e79be45 Bartosz Golaszewski 2021-12-07 1476 dev->id = id;
cb8c474e79be45 Bartosz Golaszewski 2021-12-07 1477 mutex_init(&dev->lock);
cb8c474e79be45 Bartosz Golaszewski 2021-12-07 1478 INIT_LIST_HEAD(&dev->bank_list);
cb8c474e79be45 Bartosz Golaszewski 2021-12-07 1479
cb8c474e79be45 Bartosz Golaszewski 2021-12-07 1480 dev->bus_notifier.notifier_call = gpio_sim_bus_notifier_call;
cb8c474e79be45 Bartosz Golaszewski 2021-12-07 1481 init_completion(&dev->probe_completion);
cb8c474e79be45 Bartosz Golaszewski 2021-12-07 1482
c7a663cdcfc698 Bartosz Golaszewski 2023-08-09 1483 return &no_free_ptr(dev)->group;
cb8c474e79be45 Bartosz Golaszewski 2021-12-07 1484 }
--
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