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From: kernel test robot <lkp@intel.com>
To: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>,
	gregkh@linuxfoundation.org
Cc: kbuild-all@lists.01.org, kernel-list@raspberrypi.com,
	laurent.pinchart@ideasonboard.com,
	linux-rpi-kernel@lists.infradead.org,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, devel@driverdev.osuosl.org,
	Jacopo Mondi <jacopo@jmondi.org>,
	Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Subject: Re: [PATCH 01/50] staging: bcm2835: Break MMAL support out from camera
Date: Wed, 24 Jun 2020 03:20:14 +0800	[thread overview]
Message-ID: <202006240313.C54rlT6m%lkp@intel.com> (raw)
In-Reply-To: <20200623164235.29566-2-nsaenzjulienne@suse.de>

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Hi Nicolas,

I love your patch! Perhaps something to improve:

[auto build test WARNING on staging/staging-testing]

url:    https://github.com/0day-ci/linux/commits/Nicolas-Saenz-Julienne/staging-vchiq-Getting-rid-of-the-vchi-vchiq-split/20200624-004930
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git 9bea6eb3f59cb2fad8b46d91c666a17d0aa53456
config: ia64-allmodconfig (attached as .config)
compiler: ia64-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=ia64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

   drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c: In function 'create_component':
>> drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c:932:2: warning: 'strncpy' specified bound 128 equals destination size [-Wstringop-truncation]
     932 |  strncpy(m.u.component_create.name, name,
         |  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     933 |   sizeof(m.u.component_create.name));
         |   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

vim +/strncpy +932 drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c

7b3ad5abf027b7 drivers/staging/media/platform/bcm2835/mmal-vchiq.c       Eric Anholt   2017-01-27  918  
7b3ad5abf027b7 drivers/staging/media/platform/bcm2835/mmal-vchiq.c       Eric Anholt   2017-01-27  919  /* create comonent on vc */
7b3ad5abf027b7 drivers/staging/media/platform/bcm2835/mmal-vchiq.c       Eric Anholt   2017-01-27  920  static int create_component(struct vchiq_mmal_instance *instance,
7b3ad5abf027b7 drivers/staging/media/platform/bcm2835/mmal-vchiq.c       Eric Anholt   2017-01-27  921  			    struct vchiq_mmal_component *component,
7b3ad5abf027b7 drivers/staging/media/platform/bcm2835/mmal-vchiq.c       Eric Anholt   2017-01-27  922  			    const char *name)
7b3ad5abf027b7 drivers/staging/media/platform/bcm2835/mmal-vchiq.c       Eric Anholt   2017-01-27  923  {
7b3ad5abf027b7 drivers/staging/media/platform/bcm2835/mmal-vchiq.c       Eric Anholt   2017-01-27  924  	int ret;
7b3ad5abf027b7 drivers/staging/media/platform/bcm2835/mmal-vchiq.c       Eric Anholt   2017-01-27  925  	struct mmal_msg m;
7b3ad5abf027b7 drivers/staging/media/platform/bcm2835/mmal-vchiq.c       Eric Anholt   2017-01-27  926  	struct mmal_msg *rmsg;
9d4d3ac473912a drivers/staging/vc04_services/bcm2835-camera/mmal-vchiq.c Dominic Braun 2018-12-14  927  	struct vchi_held_msg rmsg_handle;
7b3ad5abf027b7 drivers/staging/media/platform/bcm2835/mmal-vchiq.c       Eric Anholt   2017-01-27  928  
7b3ad5abf027b7 drivers/staging/media/platform/bcm2835/mmal-vchiq.c       Eric Anholt   2017-01-27  929  	/* build component create message */
7b3ad5abf027b7 drivers/staging/media/platform/bcm2835/mmal-vchiq.c       Eric Anholt   2017-01-27  930  	m.h.type = MMAL_MSG_TYPE_COMPONENT_CREATE;
4fe08093094e5f drivers/staging/vc04_services/bcm2835-camera/mmal-vchiq.c Michael Zoran 2017-03-09  931  	m.u.component_create.client_component = (u32)(unsigned long)component;
7b3ad5abf027b7 drivers/staging/media/platform/bcm2835/mmal-vchiq.c       Eric Anholt   2017-01-27 @932  	strncpy(m.u.component_create.name, name,
7b3ad5abf027b7 drivers/staging/media/platform/bcm2835/mmal-vchiq.c       Eric Anholt   2017-01-27  933  		sizeof(m.u.component_create.name));
7b3ad5abf027b7 drivers/staging/media/platform/bcm2835/mmal-vchiq.c       Eric Anholt   2017-01-27  934  
7b3ad5abf027b7 drivers/staging/media/platform/bcm2835/mmal-vchiq.c       Eric Anholt   2017-01-27  935  	ret = send_synchronous_mmal_msg(instance, &m,
7b3ad5abf027b7 drivers/staging/media/platform/bcm2835/mmal-vchiq.c       Eric Anholt   2017-01-27  936  					sizeof(m.u.component_create),
7b3ad5abf027b7 drivers/staging/media/platform/bcm2835/mmal-vchiq.c       Eric Anholt   2017-01-27  937  					&rmsg, &rmsg_handle);
7b3ad5abf027b7 drivers/staging/media/platform/bcm2835/mmal-vchiq.c       Eric Anholt   2017-01-27  938  	if (ret)
7b3ad5abf027b7 drivers/staging/media/platform/bcm2835/mmal-vchiq.c       Eric Anholt   2017-01-27  939  		return ret;
7b3ad5abf027b7 drivers/staging/media/platform/bcm2835/mmal-vchiq.c       Eric Anholt   2017-01-27  940  
7b3ad5abf027b7 drivers/staging/media/platform/bcm2835/mmal-vchiq.c       Eric Anholt   2017-01-27  941  	if (rmsg->h.type != m.h.type) {
7b3ad5abf027b7 drivers/staging/media/platform/bcm2835/mmal-vchiq.c       Eric Anholt   2017-01-27  942  		/* got an unexpected message type in reply */
7b3ad5abf027b7 drivers/staging/media/platform/bcm2835/mmal-vchiq.c       Eric Anholt   2017-01-27  943  		ret = -EINVAL;
7b3ad5abf027b7 drivers/staging/media/platform/bcm2835/mmal-vchiq.c       Eric Anholt   2017-01-27  944  		goto release_msg;
7b3ad5abf027b7 drivers/staging/media/platform/bcm2835/mmal-vchiq.c       Eric Anholt   2017-01-27  945  	}
7b3ad5abf027b7 drivers/staging/media/platform/bcm2835/mmal-vchiq.c       Eric Anholt   2017-01-27  946  
7b3ad5abf027b7 drivers/staging/media/platform/bcm2835/mmal-vchiq.c       Eric Anholt   2017-01-27  947  	ret = -rmsg->u.component_create_reply.status;
7b3ad5abf027b7 drivers/staging/media/platform/bcm2835/mmal-vchiq.c       Eric Anholt   2017-01-27  948  	if (ret != MMAL_MSG_STATUS_SUCCESS)
7b3ad5abf027b7 drivers/staging/media/platform/bcm2835/mmal-vchiq.c       Eric Anholt   2017-01-27  949  		goto release_msg;
7b3ad5abf027b7 drivers/staging/media/platform/bcm2835/mmal-vchiq.c       Eric Anholt   2017-01-27  950  
7b3ad5abf027b7 drivers/staging/media/platform/bcm2835/mmal-vchiq.c       Eric Anholt   2017-01-27  951  	/* a valid component response received */
7b3ad5abf027b7 drivers/staging/media/platform/bcm2835/mmal-vchiq.c       Eric Anholt   2017-01-27  952  	component->handle = rmsg->u.component_create_reply.component_handle;
7b3ad5abf027b7 drivers/staging/media/platform/bcm2835/mmal-vchiq.c       Eric Anholt   2017-01-27  953  	component->inputs = rmsg->u.component_create_reply.input_num;
7b3ad5abf027b7 drivers/staging/media/platform/bcm2835/mmal-vchiq.c       Eric Anholt   2017-01-27  954  	component->outputs = rmsg->u.component_create_reply.output_num;
7b3ad5abf027b7 drivers/staging/media/platform/bcm2835/mmal-vchiq.c       Eric Anholt   2017-01-27  955  	component->clocks = rmsg->u.component_create_reply.clock_num;
7b3ad5abf027b7 drivers/staging/media/platform/bcm2835/mmal-vchiq.c       Eric Anholt   2017-01-27  956  
7b3ad5abf027b7 drivers/staging/media/platform/bcm2835/mmal-vchiq.c       Eric Anholt   2017-01-27  957  	pr_debug("Component handle:0x%x in:%d out:%d clock:%d\n",
7b3ad5abf027b7 drivers/staging/media/platform/bcm2835/mmal-vchiq.c       Eric Anholt   2017-01-27  958  		 component->handle,
7b3ad5abf027b7 drivers/staging/media/platform/bcm2835/mmal-vchiq.c       Eric Anholt   2017-01-27  959  		 component->inputs, component->outputs, component->clocks);
7b3ad5abf027b7 drivers/staging/media/platform/bcm2835/mmal-vchiq.c       Eric Anholt   2017-01-27  960  
7b3ad5abf027b7 drivers/staging/media/platform/bcm2835/mmal-vchiq.c       Eric Anholt   2017-01-27  961  release_msg:
7b3ad5abf027b7 drivers/staging/media/platform/bcm2835/mmal-vchiq.c       Eric Anholt   2017-01-27  962  	vchi_held_msg_release(&rmsg_handle);
7b3ad5abf027b7 drivers/staging/media/platform/bcm2835/mmal-vchiq.c       Eric Anholt   2017-01-27  963  
7b3ad5abf027b7 drivers/staging/media/platform/bcm2835/mmal-vchiq.c       Eric Anholt   2017-01-27  964  	return ret;
7b3ad5abf027b7 drivers/staging/media/platform/bcm2835/mmal-vchiq.c       Eric Anholt   2017-01-27  965  }
7b3ad5abf027b7 drivers/staging/media/platform/bcm2835/mmal-vchiq.c       Eric Anholt   2017-01-27  966  

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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  reply	other threads:[~2020-06-23 19:21 UTC|newest]

Thread overview: 58+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-23 16:41 [PATCH 00/50] staging: vchiq: Getting rid of the vchi/vchiq split Nicolas Saenz Julienne
2020-06-23 16:41 ` [PATCH 01/50] staging: bcm2835: Break MMAL support out from camera Nicolas Saenz Julienne
2020-06-23 19:20   ` kernel test robot [this message]
2020-06-23 16:41 ` [PATCH 02/50] staging: mmal-vchiq: Allocate and free components as required Nicolas Saenz Julienne
2020-06-23 16:41 ` [PATCH 03/50] staging: mmal-vchiq: Avoid use of bool in structures Nicolas Saenz Julienne
2020-06-23 22:11   ` Joe Perches
2020-06-24 10:26     ` Nicolas Saenz Julienne
2020-06-23 16:41 ` [PATCH 04/50] staging: mmal-vchiq: Make timeout a defined parameter Nicolas Saenz Julienne
2020-06-23 16:41 ` [PATCH 05/50] staging: mmal-vchiq: Make a mmal_buf struct for passing parameters Nicolas Saenz Julienne
2020-06-23 16:41 ` [PATCH 06/50] staging: mmal-vchiq: Fixup vchiq-mmal include ordering Nicolas Saenz Julienne
2020-06-23 16:41 ` [PATCH 07/50] staging: mmal-vchiq: Fix client_component for 64 bit kernel Nicolas Saenz Julienne
2020-06-23 16:41 ` [PATCH 08/50] staging: mmal-vchiq: Always return the param size from param_get Nicolas Saenz Julienne
2020-06-23 16:41 ` [PATCH 09/50] staging: mmal-vchiq: If the VPU returns an error, don't negate it Nicolas Saenz Julienne
2020-06-23 16:41 ` [PATCH 10/50] staging: mmal-vchiq: Fix formatting errors in mmal_parameters.h Nicolas Saenz Julienne
2020-06-23 16:41 ` [PATCH 11/50] staging: vchiq_arm: Add a matching unregister call Nicolas Saenz Julienne
2020-06-23 16:41 ` [PATCH 12/50] staging: vchi: Get rid of all useless callback reasons Nicolas Saenz Julienne
2020-06-23 16:41 ` [PATCH 13/50] staging: vchi: Get rid of vchi_msg_peek() Nicolas Saenz Julienne
2020-06-23 16:42 ` [PATCH 14/50] staging: vchi: Get rid of struct vchi_instance_handle Nicolas Saenz Julienne
2020-06-23 16:42 ` [PATCH 15/50] staging: vchi: Unify struct shim_service and struct vchi_service_handle Nicolas Saenz Julienne
2020-06-24 14:11   ` Dan Carpenter
2020-06-24 14:13     ` Nicolas Saenz Julienne
2020-06-23 16:42 ` [PATCH 16/50] staging: vc04_services: bcm2835-audio: Use vchi_msg_hold() Nicolas Saenz Julienne
2020-06-23 16:42 ` [PATCH 17/50] staging: vchi: Get rid of vchi_msg_dequeue() Nicolas Saenz Julienne
2020-06-23 16:42 ` [PATCH 18/50] staging: vchi_common: Get rid of all unused definitions Nicolas Saenz Julienne
2020-06-23 16:42 ` [PATCH 19/50] staging: vchi: Get rid of unnecessary defines Nicolas Saenz Julienne
2020-06-23 16:42 ` [PATCH 20/50] staging: vc04_services: Get rid of vchi_cfg.h Nicolas Saenz Julienne
2020-06-23 16:42 ` [PATCH 21/50] staging: vchi: Get rid of flags argument in vchi_msg_hold() Nicolas Saenz Julienne
2020-06-23 16:42 ` [PATCH 22/50] staging: vchi: Use enum vchiq_bulk_mode instead of vchi's transmission flags Nicolas Saenz Julienne
2020-06-23 16:42 ` [PATCH 23/50] staging: vchi: Use vchiq's enum vchiq_reason Nicolas Saenz Julienne
2020-06-23 16:42 ` [PATCH 24/50] staging: vchi: Get rid of effect less expression Nicolas Saenz Julienne
2020-06-23 16:42 ` [PATCH 25/50] staging: vchiq: Introduce vchiq_validate_params() Nicolas Saenz Julienne
2020-06-23 16:42 ` [PATCH 26/50] staging: vchiq: Move message queue into struct vchiq_service Nicolas Saenz Julienne
2020-06-23 16:42 ` [PATCH 27/50] staging: vchiq: Get rid of vchiq_util.h Nicolas Saenz Julienne
2020-06-23 16:42 ` [PATCH 28/50] staging: vchi: Expose struct vchi_service Nicolas Saenz Julienne
2020-06-23 16:42 ` [PATCH 29/50] staging: vchiq: Export vchiq_get_service_userdata() Nicolas Saenz Julienne
2020-06-23 16:42 ` [PATCH 30/50] staging: vchiq: Export vchiq_msg_queue_push Nicolas Saenz Julienne
2020-06-23 16:42 ` [PATCH 31/50] staging: vchi: Get rid of vchiq_shim's message callback Nicolas Saenz Julienne
2020-06-23 16:42 ` [PATCH 32/50] staging: vchiq: Don't use a typedef for vchiq_callback Nicolas Saenz Julienne
2020-06-23 16:42 ` [PATCH 33/50] staging: vchi: Use struct vchiq_service_params Nicolas Saenz Julienne
2020-06-23 16:42 ` [PATCH 34/50] staging: vchi: Get rid of struct vchi_service Nicolas Saenz Julienne
2020-06-23 16:42 ` [PATCH 35/50] staging: vchiq: Pass vchiq's message when holding a message Nicolas Saenz Julienne
2020-06-23 16:42 ` [PATCH 36/50] staging: vchi: Rework vchi_msg_hold() to match vchiq_msg_hold() Nicolas Saenz Julienne
2020-06-23 16:42 ` [PATCH 37/50] staging: vchiq: Unify fourcc definition mechanisms Nicolas Saenz Julienne
2020-06-23 16:42 ` [PATCH 38/50] staging: vchi: Get rid of struct vchiq_instance forward declaration Nicolas Saenz Julienne
2020-06-23 16:42 ` [PATCH 39/50] staging: vchi: Don't include vchiq_core.h Nicolas Saenz Julienne
2020-06-23 16:42 ` [PATCH 40/50] staging: vchiq: Get rid of unnecessary definitions in vchiq_if.h Nicolas Saenz Julienne
2020-06-23 16:42 ` [PATCH 41/50] staging: vchiq: Make vchiq_add_service() local Nicolas Saenz Julienne
2020-06-23 16:42 ` [PATCH 42/50] staging: vchiq: Move definitions only used by core into core header Nicolas Saenz Julienne
2020-06-23 16:42 ` [PATCH 43/50] staging: vchi: Get rid of vchi_bulk_queue_receive() Nicolas Saenz Julienne
2020-06-23 16:42 ` [PATCH 44/50] staging: vchi: Get rid of vchi_bulk_queue_transmit() Nicolas Saenz Julienne
2020-06-23 16:42 ` [PATCH 45/50] staging: vchi: Move vchi_queue_kernel_message() into vchiq Nicolas Saenz Julienne
2020-06-23 16:42 ` [PATCH 46/50] staging: vchiq: Get rid of vchi Nicolas Saenz Julienne
2020-06-23 16:42 ` [PATCH 47/50] staging: vchiq: Move conditional barrier definition into vchiq_core.h Nicolas Saenz Julienne
2020-06-23 16:42 ` [PATCH 48/50] staging: vchiq: Use vchiq.h as the main header file for services Nicolas Saenz Julienne
2020-06-23 16:42 ` [PATCH 49/50] staging: vchiq: Move defines into core header Nicolas Saenz Julienne
2020-06-23 16:42 ` [PATCH 50/50] staging: vchiq: Move vchiq.h into include directory Nicolas Saenz Julienne
2020-06-25  8:24   ` Nicolas Saenz Julienne
2020-06-25 14:34 ` [PATCH 00/50] staging: vchiq: Getting rid of the vchi/vchiq split Greg KH

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