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* drivers/media/pci/intel/ipu-bridge.c:752 ipu_bridge_ivsc_is_ready() warn: iterator 'i' not incremented
@ 2024-12-20  6:55 kernel test robot
  0 siblings, 0 replies; 7+ messages in thread
From: kernel test robot @ 2024-12-20  6:55 UTC (permalink / raw)
  To: oe-kbuild; +Cc: lkp, Dan Carpenter

BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
CC: linux-kernel@vger.kernel.org
TO: Ricardo Ribalda <ribalda@chromium.org>
CC: Mauro Carvalho Chehab <mchehab@kernel.org>
CC: linux-media@vger.kernel.org
CC: Sakari Ailus <sakari.ailus@linux.intel.com>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   8faabc041a001140564f718dabe37753e88b37fa
commit: 93da10eee90b2ffa4b496dd4a6ea276c57461fb6 media: intel/ipu6: Fix direct dependency Kconfig error
date:   8 months ago
:::::: branch date: 13 hours ago
:::::: commit date: 8 months ago
config: sparc64-randconfig-r071-20241219 (https://download.01.org/0day-ci/archive/20241220/202412201418.Aofs95Sy-lkp@intel.com/config)
compiler: sparc64-linux-gcc (GCC) 14.2.0

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@intel.com>
| Reported-by: Dan Carpenter <error27@gmail.com>
| Closes: https://lore.kernel.org/r/202412201418.Aofs95Sy-lkp@intel.com/

smatch warnings:
drivers/media/pci/intel/ipu-bridge.c:752 ipu_bridge_ivsc_is_ready() warn: iterator 'i' not incremented

vim +/i +752 drivers/media/pci/intel/ipu-bridge.c

803abec64ef9d3 drivers/media/pci/intel/ipu3/cio2-bridge.c Daniel Scally   2021-01-07  744  
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  745  static int ipu_bridge_ivsc_is_ready(void)
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  746  {
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  747  	struct acpi_device *sensor_adev, *adev;
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  748  	struct device *csi_dev;
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  749  	bool ready = true;
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  750  	unsigned int i;
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  751  
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03 @752  	for (i = 0; i < ARRAY_SIZE(ipu_supported_sensors); i++) {
8810e055b57543 drivers/media/pci/intel/ipu-bridge.c       Ricardo Ribalda 2024-05-01  753  #if IS_ENABLED(CONFIG_ACPI)
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  754  		const struct ipu_sensor_config *cfg =
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  755  			&ipu_supported_sensors[i];
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  756  
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  757  		for_each_acpi_dev_match(sensor_adev, cfg->hid, NULL, -1) {
8810e055b57543 drivers/media/pci/intel/ipu-bridge.c       Ricardo Ribalda 2024-05-01  758  #else
8810e055b57543 drivers/media/pci/intel/ipu-bridge.c       Ricardo Ribalda 2024-05-01  759  		while (true) {
8810e055b57543 drivers/media/pci/intel/ipu-bridge.c       Ricardo Ribalda 2024-05-01  760  			sensor_adev = NULL;
8810e055b57543 drivers/media/pci/intel/ipu-bridge.c       Ricardo Ribalda 2024-05-01  761  #endif
8810e055b57543 drivers/media/pci/intel/ipu-bridge.c       Ricardo Ribalda 2024-05-01  762  			if (!ACPI_PTR(sensor_adev->status.enabled))
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  763  				continue;
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  764  
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  765  			adev = ipu_bridge_get_ivsc_acpi_dev(sensor_adev);
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  766  			if (!adev)
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  767  				continue;
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  768  
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  769  			csi_dev = ipu_bridge_get_ivsc_csi_dev(adev);
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  770  			if (!csi_dev)
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  771  				ready = false;
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  772  
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  773  			put_device(csi_dev);
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  774  			acpi_dev_put(adev);
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  775  		}
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  776  	}
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  777  
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  778  	return ready;
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  779  }
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  780  

:::::: The code at line 752 was first introduced by commit
:::::: c66821f381aed2c7c754d6ac8920a8665a3a01f7 media: pci: intel: Add IVSC support for IPU bridge driver

:::::: TO: Wentong Wu <wentong.wu@intel.com>
:::::: CC: Mauro Carvalho Chehab <mchehab@kernel.org>

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

^ permalink raw reply	[flat|nested] 7+ messages in thread
* drivers/media/pci/intel/ipu-bridge.c:752 ipu_bridge_ivsc_is_ready() warn: iterator 'i' not incremented
@ 2024-11-22  7:45 Dan Carpenter
  2024-11-22  8:01 ` Sakari Ailus
  0 siblings, 1 reply; 7+ messages in thread
From: Dan Carpenter @ 2024-11-22  7:45 UTC (permalink / raw)
  To: oe-kbuild, Ricardo Ribalda
  Cc: lkp, oe-kbuild-all, linux-kernel, Mauro Carvalho Chehab,
	linux-media, Sakari Ailus

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   28eb75e178d389d325f1666e422bc13bbbb9804c
commit: 93da10eee90b2ffa4b496dd4a6ea276c57461fb6 media: intel/ipu6: Fix direct dependency Kconfig error
config: alpha-randconfig-r072-20241122 (https://download.01.org/0day-ci/archive/20241122/202411221147.N6w23gDo-lkp@intel.com/config)
compiler: alpha-linux-gcc (GCC) 14.2.0

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@intel.com>
| Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
| Closes: https://lore.kernel.org/r/202411221147.N6w23gDo-lkp@intel.com/

smatch warnings:
drivers/media/pci/intel/ipu-bridge.c:752 ipu_bridge_ivsc_is_ready() warn: iterator 'i' not incremented

vim +/i +752 drivers/media/pci/intel/ipu-bridge.c

c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  745  static int ipu_bridge_ivsc_is_ready(void)
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  746  {
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  747  	struct acpi_device *sensor_adev, *adev;
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  748  	struct device *csi_dev;
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  749  	bool ready = true;
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  750  	unsigned int i;
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  751  
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03 @752  	for (i = 0; i < ARRAY_SIZE(ipu_supported_sensors); i++) {
8810e055b57543 drivers/media/pci/intel/ipu-bridge.c       Ricardo Ribalda 2024-05-01  753  #if IS_ENABLED(CONFIG_ACPI)
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  754  		const struct ipu_sensor_config *cfg =
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  755  			&ipu_supported_sensors[i];
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  756  
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  757  		for_each_acpi_dev_match(sensor_adev, cfg->hid, NULL, -1) {
8810e055b57543 drivers/media/pci/intel/ipu-bridge.c       Ricardo Ribalda 2024-05-01  758  #else
8810e055b57543 drivers/media/pci/intel/ipu-bridge.c       Ricardo Ribalda 2024-05-01  759  		while (true) {
                                                                                                        ^^^^^^^^^^^^^^

8810e055b57543 drivers/media/pci/intel/ipu-bridge.c       Ricardo Ribalda 2024-05-01  760  			sensor_adev = NULL;
8810e055b57543 drivers/media/pci/intel/ipu-bridge.c       Ricardo Ribalda 2024-05-01  761  #endif
8810e055b57543 drivers/media/pci/intel/ipu-bridge.c       Ricardo Ribalda 2024-05-01  762  			if (!ACPI_PTR(sensor_adev->status.enabled))
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  763  				continue;


These continues make sense in for_each_acpi_dev_match() but not in a while (true) {
loop.  We're stuck forever.

c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  764  
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  765  			adev = ipu_bridge_get_ivsc_acpi_dev(sensor_adev);
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  766  			if (!adev)
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  767  				continue;
                                                                                                                        ^^^^^^^^


c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  768  
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  769  			csi_dev = ipu_bridge_get_ivsc_csi_dev(adev);
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  770  			if (!csi_dev)
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  771  				ready = false;
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  772  
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  773  			put_device(csi_dev);
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  774  			acpi_dev_put(adev);
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  775  		}
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  776  	}
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  777  
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  778  	return ready;
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  779  }

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki


^ permalink raw reply	[flat|nested] 7+ messages in thread
* drivers/media/pci/intel/ipu-bridge.c:752 ipu_bridge_ivsc_is_ready() warn: iterator 'i' not incremented
@ 2024-11-22  3:41 kernel test robot
  0 siblings, 0 replies; 7+ messages in thread
From: kernel test robot @ 2024-11-22  3:41 UTC (permalink / raw)
  To: oe-kbuild; +Cc: lkp, Dan Carpenter

BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
CC: linux-kernel@vger.kernel.org
TO: Ricardo Ribalda <ribalda@chromium.org>
CC: Mauro Carvalho Chehab <mchehab@kernel.org>
CC: linux-media@vger.kernel.org
CC: Sakari Ailus <sakari.ailus@linux.intel.com>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   28eb75e178d389d325f1666e422bc13bbbb9804c
commit: 93da10eee90b2ffa4b496dd4a6ea276c57461fb6 media: intel/ipu6: Fix direct dependency Kconfig error
date:   7 months ago
:::::: branch date: 5 hours ago
:::::: commit date: 7 months ago
config: alpha-randconfig-r072-20241122 (https://download.01.org/0day-ci/archive/20241122/202411221147.N6w23gDo-lkp@intel.com/config)
compiler: alpha-linux-gcc (GCC) 14.2.0

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@intel.com>
| Reported-by: Dan Carpenter <error27@gmail.com>
| Closes: https://lore.kernel.org/r/202411221147.N6w23gDo-lkp@intel.com/

smatch warnings:
drivers/media/pci/intel/ipu-bridge.c:752 ipu_bridge_ivsc_is_ready() warn: iterator 'i' not incremented

vim +/i +752 drivers/media/pci/intel/ipu-bridge.c

803abec64ef9d3 drivers/media/pci/intel/ipu3/cio2-bridge.c Daniel Scally   2021-01-07  744  
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  745  static int ipu_bridge_ivsc_is_ready(void)
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  746  {
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  747  	struct acpi_device *sensor_adev, *adev;
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  748  	struct device *csi_dev;
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  749  	bool ready = true;
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  750  	unsigned int i;
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  751  
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03 @752  	for (i = 0; i < ARRAY_SIZE(ipu_supported_sensors); i++) {
8810e055b57543 drivers/media/pci/intel/ipu-bridge.c       Ricardo Ribalda 2024-05-01  753  #if IS_ENABLED(CONFIG_ACPI)
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  754  		const struct ipu_sensor_config *cfg =
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  755  			&ipu_supported_sensors[i];
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  756  
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  757  		for_each_acpi_dev_match(sensor_adev, cfg->hid, NULL, -1) {
8810e055b57543 drivers/media/pci/intel/ipu-bridge.c       Ricardo Ribalda 2024-05-01  758  #else
8810e055b57543 drivers/media/pci/intel/ipu-bridge.c       Ricardo Ribalda 2024-05-01  759  		while (true) {
8810e055b57543 drivers/media/pci/intel/ipu-bridge.c       Ricardo Ribalda 2024-05-01  760  			sensor_adev = NULL;
8810e055b57543 drivers/media/pci/intel/ipu-bridge.c       Ricardo Ribalda 2024-05-01  761  #endif
8810e055b57543 drivers/media/pci/intel/ipu-bridge.c       Ricardo Ribalda 2024-05-01  762  			if (!ACPI_PTR(sensor_adev->status.enabled))
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  763  				continue;
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  764  
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  765  			adev = ipu_bridge_get_ivsc_acpi_dev(sensor_adev);
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  766  			if (!adev)
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  767  				continue;
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  768  
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  769  			csi_dev = ipu_bridge_get_ivsc_csi_dev(adev);
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  770  			if (!csi_dev)
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  771  				ready = false;
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  772  
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  773  			put_device(csi_dev);
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  774  			acpi_dev_put(adev);
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  775  		}
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  776  	}
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  777  
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  778  	return ready;
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  779  }
c66821f381aed2 drivers/media/pci/intel/ipu-bridge.c       Wentong Wu      2023-08-03  780  

:::::: The code at line 752 was first introduced by commit
:::::: c66821f381aed2c7c754d6ac8920a8665a3a01f7 media: pci: intel: Add IVSC support for IPU bridge driver

:::::: TO: Wentong Wu <wentong.wu@intel.com>
:::::: CC: Mauro Carvalho Chehab <mchehab@kernel.org>

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

^ permalink raw reply	[flat|nested] 7+ messages in thread

end of thread, other threads:[~2024-12-20  6:55 UTC | newest]

Thread overview: 7+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2024-12-20  6:55 drivers/media/pci/intel/ipu-bridge.c:752 ipu_bridge_ivsc_is_ready() warn: iterator 'i' not incremented kernel test robot
  -- strict thread matches above, loose matches on Subject: below --
2024-11-22  7:45 Dan Carpenter
2024-11-22  8:01 ` Sakari Ailus
2024-11-22  8:06   ` Ricardo Ribalda
2024-11-22  8:11     ` Sakari Ailus
2024-11-22  9:49       ` Ricardo Ribalda
2024-11-22  3:41 kernel test robot

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