All of lore.kernel.org
 help / color / mirror / Atom feed
* [intel-lts:5.10/yocto 10621/20393] drivers/media/v4l2-core/v4l2-subdev.c:1027:1: warning: the frame size of 1400 bytes is larger than 1024 bytes
@ 2022-02-10 14:07 kernel test robot
  0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2022-02-10 14:07 UTC (permalink / raw)
  To: kbuild-all

[-- Attachment #1: Type: text/plain, Size: 16474 bytes --]

Hi Wanhui,

FYI, the error/warning still remains.

tree:   https://github.com/intel/linux-intel-lts.git 5.10/yocto
head:   2dafc777a64181d42982628c7f5907a03da5f070
commit: f13978177f8c57c155d53df5f2df60f519e82e4a [10621/20393] v4l: subdev: Add support for sub-streams
config: i386-allyesconfig (https://download.01.org/0day-ci/archive/20220210/202202102104.kTpVM9F2-lkp(a)intel.com/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://github.com/intel/linux-intel-lts/commit/f13978177f8c57c155d53df5f2df60f519e82e4a
        git remote add intel-lts https://github.com/intel/linux-intel-lts.git
        git fetch --no-tags intel-lts 5.10/yocto
        git checkout f13978177f8c57c155d53df5f2df60f519e82e4a
        # save the config file to linux build tree
        mkdir build_dir
        make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash arch/x86/crypto/ drivers/gpio/ drivers/gpu/drm/i915/ drivers/media/i2c/ drivers/media/v4l2-core/

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/media/v4l2-core/v4l2-subdev.c: In function 'v4l2_subdev_link_validate':
>> drivers/media/v4l2-core/v4l2-subdev.c:1027:1: warning: the frame size of 1400 bytes is larger than 1024 bytes [-Wframe-larger-than=]
    1027 | }
         | ^


vim +1027 drivers/media/v4l2-core/v4l2-subdev.c

e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   907  
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   908  int v4l2_subdev_link_validate(struct media_link *link)
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   909  {
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   910  	struct v4l2_subdev *sink;
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   911  	struct v4l2_subdev_route sink_routes[LINK_VALIDATE_ROUTES];
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   912  	struct v4l2_subdev_routing sink_routing = {
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   913  		.routes = sink_routes,
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   914  		.num_routes = ARRAY_SIZE(sink_routes),
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   915  	};
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   916  	struct v4l2_subdev_route src_routes[LINK_VALIDATE_ROUTES];
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   917  	struct v4l2_subdev_routing src_routing = {
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   918  		.routes = src_routes,
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   919  		.num_routes = ARRAY_SIZE(src_routes),
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   920  	};
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   921  	unsigned int i, j;
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   922  	int rval;
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   923  
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   924  	sink = media_entity_to_v4l2_subdev(link->sink->entity);
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   925  	if (!sink)
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   926  		return -EINVAL;
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   927  
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   928  	if (!(link->sink->flags & MEDIA_PAD_FL_MULTIPLEX &&
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   929  		link->source->flags & MEDIA_PAD_FL_MULTIPLEX))
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   930  		return v4l2_subdev_link_validate_one(link, link->source, 0,
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   931  						     link->sink, 0);
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   932  	/*
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   933  	 * multiplex link cannot proceed without route information.
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   934  	 */
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   935  	rval = v4l2_subdev_call(sink, pad, get_routing, &sink_routing);
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   936  	if (rval) {
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   937  		dev_err(sink->entity.graph_obj.mdev->dev,
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   938  			"error %d in get_routing() on %s, sink pad %u\n", rval,
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   939  			sink->entity.name, link->sink->index);
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   940  
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   941  		return rval;
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   942  	}
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   943  
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   944  	rval = v4l2_subdev_call(media_entity_to_v4l2_subdev(
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   945  					link->source->entity),
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   946  				pad, get_routing, &src_routing);
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   947  	if (rval) {
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   948  		dev_dbg(sink->entity.graph_obj.mdev->dev,
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   949  			"error %d in get_routing() on %s, source pad %u\n",
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   950  			rval, sink->entity.name, link->source->index);
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   951  
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   952  		return rval;
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   953  	}
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   954  
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   955  	dev_dbg(sink->entity.graph_obj.mdev->dev,
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   956  		"validating multiplexed link \"%s\":%u -> \"%s\":%u; %u/%u routes\n",
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   957  		link->source->entity->name, link->source->index,
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   958  		sink->entity.name, link->sink->index,
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   959  		src_routing.num_routes, sink_routing.num_routes);
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   960  
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   961  	for (i = 0; i < sink_routing.num_routes; i++) {
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   962  		/* Get the first active route for the sink pad. */
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   963  		if (sink_routes[i].sink_pad != link->sink->index ||
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   964  		    !(sink_routes[i].flags & V4L2_SUBDEV_ROUTE_FL_ACTIVE)) {
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   965  			dev_dbg(sink->entity.graph_obj.mdev->dev,
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   966  				"skipping sink route %u/%u -> %u/%u[%u]\n",
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   967  				sink_routes[i].sink_pad,
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   968  				sink_routes[i].sink_stream,
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   969  				sink_routes[i].source_pad,
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   970  				sink_routes[i].source_stream,
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   971  				(bool)(sink_routes[i].flags
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   972  				       & V4L2_SUBDEV_ROUTE_FL_ACTIVE));
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   973  			continue;
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   974  		}
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   975  
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   976  		/*
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   977  		 * Get the corresponding route for the source pad.
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   978  		 * It's ok for the source pad to have routes active
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   979  		 * where the sink pad does not, but the routes that
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   980  		 * are active on the source pad have to be active on
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   981  		 * the sink pad as well.
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   982  		 */
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   983  
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   984  		for (j = 0; j < src_routing.num_routes; j++) {
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   985  			if (src_routes[j].source_pad == link->source->index &&
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   986  			    src_routes[j].source_stream
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   987  			    == sink_routes[i].sink_stream)
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   988  				break;
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   989  		}
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   990  
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   991  		if (j == src_routing.num_routes) {
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   992  			dev_err(sink->entity.graph_obj.mdev->dev,
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   993  				"no corresponding source found.\n");
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   994  			return -EINVAL;
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   995  		}
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   996  
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   997  		/* The source route must be active. */
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   998  		if (!(src_routes[j].flags & V4L2_SUBDEV_ROUTE_FL_ACTIVE)) {
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13   999  			dev_dbg(sink->entity.graph_obj.mdev->dev,
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13  1000  				"source route not active\n");
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13  1001  			return -EINVAL;
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13  1002  		}
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13  1003  
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13  1004  		dev_dbg(sink->entity.graph_obj.mdev->dev,
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13  1005  			"validating link \"%s\": %u/%u => \"%s\" %u/%u\n",
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13  1006  			link->source->entity->name, src_routes[j].source_pad,
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13  1007  			src_routes[j].source_stream, sink->entity.name,
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13  1008  			sink_routes[i].sink_pad, sink_routes[i].sink_stream);
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13  1009  
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13  1010  		rval = v4l2_subdev_link_validate_one(
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13  1011  			link, link->source, src_routes[j].source_stream,
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13  1012  			link->sink, sink_routes[i].sink_stream);
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13  1013  		if (rval) {
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13  1014  			dev_dbg(sink->entity.graph_obj.mdev->dev,
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13  1015  				"error %d in link validation\n", rval);
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13  1016  			return rval;
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13  1017  		}
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13  1018  	}
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13  1019  
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13  1020  	if (i < sink_routing.num_routes) {
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13  1021  		dev_dbg(sink->entity.graph_obj.mdev->dev,
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13  1022  			"not all sink routes verified; out of source routes\n");
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13  1023  		return -EINVAL;
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13  1024  	}
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13  1025  
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13  1026  	return 0;
e822d33e27dd00 drivers/media/v4l2-core/v4l2-subdev.c wu xia           2016-06-13 @1027  }
8227c92b696884 drivers/media/video/v4l2-subdev.c     Sakari Ailus     2011-10-10  1028  EXPORT_SYMBOL_GPL(v4l2_subdev_link_validate);
9b02cbb3ede89b drivers/media/v4l2-core/v4l2-subdev.c Laurent Pinchart 2015-04-24  1029  

:::::: The code at line 1027 was first introduced by commit
:::::: e822d33e27dd00bb200f0e9db1811231554ce03c v4l: Take routing info into account in link validation

:::::: TO: wu xia <xia.wu@intel.com>
:::::: CC: Pan, Kris <kris.pan@intel.com>

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

^ permalink raw reply	[flat|nested] only message in thread

only message in thread, other threads:[~2022-02-10 14:07 UTC | newest]

Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-02-10 14:07 [intel-lts:5.10/yocto 10621/20393] drivers/media/v4l2-core/v4l2-subdev.c:1027:1: warning: the frame size of 1400 bytes is larger than 1024 bytes kernel test robot

This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.