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* drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/nvdec.c:36 r535_nvdec_alloc() warn: 'args' can also be NULL
@ 2025-12-12 15:04 kernel test robot
  0 siblings, 0 replies; 3+ messages in thread
From: kernel test robot @ 2025-12-12 15:04 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: Ben Skeggs <bskeggs@nvidia.com>
CC: Dave Airlie <airlied@redhat.com>
CC: Timur Tabi <ttabi@nvidia.com>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   187d0801404f415f22c0b31531982c7ea97fa341
commit: 7c2d25f1e408bb7d18b867718f9961de3c2f23da drm/nouveau/gsp: add common code for engines/engine objects
date:   7 months ago
:::::: branch date: 5 hours ago
:::::: commit date: 7 months ago
config: i386-randconfig-141-20251212 (https://download.01.org/0day-ci/archive/20251212/202512122247.ikHWVktA-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.4.0-5) 12.4.0

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/202512122247.ikHWVktA-lkp@intel.com/

smatch warnings:
drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/nvdec.c:36 r535_nvdec_alloc() warn: 'args' can also be NULL

vim +/args +36 drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/nvdec.c

142cd60243cac1d drivers/gpu/drm/nouveau/nvkm/engine/nvdec/r535.c        Ben Skeggs 2023-09-19  25  
142cd60243cac1d drivers/gpu/drm/nouveau/nvkm/engine/nvdec/r535.c        Ben Skeggs 2023-09-19  26  static int
7c2d25f1e408bb7 drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/nvdec.c Ben Skeggs 2025-02-15  27  r535_nvdec_alloc(struct nvkm_gsp_object *chan, u32 handle, u32 class, int inst,
7c2d25f1e408bb7 drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/nvdec.c Ben Skeggs 2025-02-15  28  		 struct nvkm_gsp_object *nvdec)
142cd60243cac1d drivers/gpu/drm/nouveau/nvkm/engine/nvdec/r535.c        Ben Skeggs 2023-09-19  29  {
142cd60243cac1d drivers/gpu/drm/nouveau/nvkm/engine/nvdec/r535.c        Ben Skeggs 2023-09-19  30  	NV_BSP_ALLOCATION_PARAMETERS *args;
142cd60243cac1d drivers/gpu/drm/nouveau/nvkm/engine/nvdec/r535.c        Ben Skeggs 2023-09-19  31  
7c2d25f1e408bb7 drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/nvdec.c Ben Skeggs 2025-02-15  32  	args = nvkm_gsp_rm_alloc_get(chan, handle, class, sizeof(*args), nvdec);
142cd60243cac1d drivers/gpu/drm/nouveau/nvkm/engine/nvdec/r535.c        Ben Skeggs 2023-09-19  33  	if (WARN_ON(IS_ERR(args)))
142cd60243cac1d drivers/gpu/drm/nouveau/nvkm/engine/nvdec/r535.c        Ben Skeggs 2023-09-19  34  		return PTR_ERR(args);
142cd60243cac1d drivers/gpu/drm/nouveau/nvkm/engine/nvdec/r535.c        Ben Skeggs 2023-09-19  35  
142cd60243cac1d drivers/gpu/drm/nouveau/nvkm/engine/nvdec/r535.c        Ben Skeggs 2023-09-19 @36  	args->size = sizeof(*args);
7c2d25f1e408bb7 drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/nvdec.c Ben Skeggs 2025-02-15  37  	args->engineInstance = inst;
142cd60243cac1d drivers/gpu/drm/nouveau/nvkm/engine/nvdec/r535.c        Ben Skeggs 2023-09-19  38  
7c2d25f1e408bb7 drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/nvdec.c Ben Skeggs 2025-02-15  39  	return nvkm_gsp_rm_alloc_wr(nvdec, args);
142cd60243cac1d drivers/gpu/drm/nouveau/nvkm/engine/nvdec/r535.c        Ben Skeggs 2023-09-19  40  }
142cd60243cac1d drivers/gpu/drm/nouveau/nvkm/engine/nvdec/r535.c        Ben Skeggs 2023-09-19  41  

:::::: The code at line 36 was first introduced by commit
:::::: 142cd60243cac1dfa18d3714ed4dd0cdc3786180 drm/nouveau/nvdec/r535: initial support

:::::: TO: Ben Skeggs <bskeggs@redhat.com>
:::::: CC: Dave Airlie <airlied@redhat.com>

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

^ permalink raw reply	[flat|nested] 3+ messages in thread

* drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/nvdec.c:36 r535_nvdec_alloc() warn: 'args' can also be NULL
@ 2025-12-13  5:14 kernel test robot
  0 siblings, 0 replies; 3+ messages in thread
From: kernel test robot @ 2025-12-13  5:14 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: Ben Skeggs <bskeggs@nvidia.com>
CC: Dave Airlie <airlied@redhat.com>
CC: Timur Tabi <ttabi@nvidia.com>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   9551a26f17d9445eed497bd7c639d48dfc3c0af4
commit: 7c2d25f1e408bb7d18b867718f9961de3c2f23da drm/nouveau/gsp: add common code for engines/engine objects
date:   7 months ago
:::::: branch date: 11 hours ago
:::::: commit date: 7 months ago
config: i386-randconfig-141-20251212 (https://download.01.org/0day-ci/archive/20251213/202512131328.d4qr2JDT-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.4.0-5) 12.4.0

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/202512131328.d4qr2JDT-lkp@intel.com/

smatch warnings:
drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/nvdec.c:36 r535_nvdec_alloc() warn: 'args' can also be NULL

vim +/args +36 drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/nvdec.c

142cd60243cac1 drivers/gpu/drm/nouveau/nvkm/engine/nvdec/r535.c        Ben Skeggs 2023-09-19  25  
142cd60243cac1 drivers/gpu/drm/nouveau/nvkm/engine/nvdec/r535.c        Ben Skeggs 2023-09-19  26  static int
7c2d25f1e408bb drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/nvdec.c Ben Skeggs 2025-02-15  27  r535_nvdec_alloc(struct nvkm_gsp_object *chan, u32 handle, u32 class, int inst,
7c2d25f1e408bb drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/nvdec.c Ben Skeggs 2025-02-15  28  		 struct nvkm_gsp_object *nvdec)
142cd60243cac1 drivers/gpu/drm/nouveau/nvkm/engine/nvdec/r535.c        Ben Skeggs 2023-09-19  29  {
142cd60243cac1 drivers/gpu/drm/nouveau/nvkm/engine/nvdec/r535.c        Ben Skeggs 2023-09-19  30  	NV_BSP_ALLOCATION_PARAMETERS *args;
142cd60243cac1 drivers/gpu/drm/nouveau/nvkm/engine/nvdec/r535.c        Ben Skeggs 2023-09-19  31  
7c2d25f1e408bb drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/nvdec.c Ben Skeggs 2025-02-15  32  	args = nvkm_gsp_rm_alloc_get(chan, handle, class, sizeof(*args), nvdec);
142cd60243cac1 drivers/gpu/drm/nouveau/nvkm/engine/nvdec/r535.c        Ben Skeggs 2023-09-19  33  	if (WARN_ON(IS_ERR(args)))
142cd60243cac1 drivers/gpu/drm/nouveau/nvkm/engine/nvdec/r535.c        Ben Skeggs 2023-09-19  34  		return PTR_ERR(args);
142cd60243cac1 drivers/gpu/drm/nouveau/nvkm/engine/nvdec/r535.c        Ben Skeggs 2023-09-19  35  
142cd60243cac1 drivers/gpu/drm/nouveau/nvkm/engine/nvdec/r535.c        Ben Skeggs 2023-09-19 @36  	args->size = sizeof(*args);
7c2d25f1e408bb drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/nvdec.c Ben Skeggs 2025-02-15  37  	args->engineInstance = inst;
142cd60243cac1 drivers/gpu/drm/nouveau/nvkm/engine/nvdec/r535.c        Ben Skeggs 2023-09-19  38  
7c2d25f1e408bb drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/nvdec.c Ben Skeggs 2025-02-15  39  	return nvkm_gsp_rm_alloc_wr(nvdec, args);
142cd60243cac1 drivers/gpu/drm/nouveau/nvkm/engine/nvdec/r535.c        Ben Skeggs 2023-09-19  40  }
142cd60243cac1 drivers/gpu/drm/nouveau/nvkm/engine/nvdec/r535.c        Ben Skeggs 2023-09-19  41  

:::::: The code at line 36 was first introduced by commit
:::::: 142cd60243cac1dfa18d3714ed4dd0cdc3786180 drm/nouveau/nvdec/r535: initial support

:::::: TO: Ben Skeggs <bskeggs@redhat.com>
:::::: CC: Dave Airlie <airlied@redhat.com>

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

^ permalink raw reply	[flat|nested] 3+ messages in thread

* drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/nvdec.c:36 r535_nvdec_alloc() warn: 'args' can also be NULL
@ 2026-06-01 23:06 kernel test robot
  0 siblings, 0 replies; 3+ messages in thread
From: kernel test robot @ 2026-06-01 23:06 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: Ben Skeggs <bskeggs@nvidia.com>
CC: Dave Airlie <airlied@redhat.com>
CC: Timur Tabi <ttabi@nvidia.com>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   e43ffb69e0438cddd72aaa30898b4dc446f664f8
commit: 7c2d25f1e408bb7d18b867718f9961de3c2f23da drm/nouveau/gsp: add common code for engines/engine objects
date:   1 year ago
:::::: branch date: 25 hours ago
:::::: commit date: 1 year ago
config: openrisc-randconfig-r073-20260601 (https://download.01.org/0day-ci/archive/20260602/202606020601.chCDJclp-lkp@intel.com/config)
compiler: or1k-linux-gcc (GCC) 15.2.0
smatch: v0.5.0-9185-gbcc58b9c

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
| Fixes: 7c2d25f1e408 ("drm/nouveau/gsp: add common code for engines/engine objects")
| Reported-by: kernel test robot <lkp@intel.com>
| Reported-by: Dan Carpenter <error27@gmail.com>
| Closes: https://lore.kernel.org/r/202606020601.chCDJclp-lkp@intel.com/

smatch warnings:
drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/nvdec.c:36 r535_nvdec_alloc() warn: 'args' can also be NULL
drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/nvjpg.c:36 r535_nvjpg_alloc() warn: 'args' can also be NULL

vim +/args +36 drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/nvdec.c

142cd60243cac1 drivers/gpu/drm/nouveau/nvkm/engine/nvdec/r535.c        Ben Skeggs 2023-09-19  25  
142cd60243cac1 drivers/gpu/drm/nouveau/nvkm/engine/nvdec/r535.c        Ben Skeggs 2023-09-19  26  static int
7c2d25f1e408bb drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/nvdec.c Ben Skeggs 2025-02-15  27  r535_nvdec_alloc(struct nvkm_gsp_object *chan, u32 handle, u32 class, int inst,
7c2d25f1e408bb drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/nvdec.c Ben Skeggs 2025-02-15  28  		 struct nvkm_gsp_object *nvdec)
142cd60243cac1 drivers/gpu/drm/nouveau/nvkm/engine/nvdec/r535.c        Ben Skeggs 2023-09-19  29  {
142cd60243cac1 drivers/gpu/drm/nouveau/nvkm/engine/nvdec/r535.c        Ben Skeggs 2023-09-19  30  	NV_BSP_ALLOCATION_PARAMETERS *args;
142cd60243cac1 drivers/gpu/drm/nouveau/nvkm/engine/nvdec/r535.c        Ben Skeggs 2023-09-19  31  
7c2d25f1e408bb drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/nvdec.c Ben Skeggs 2025-02-15  32  	args = nvkm_gsp_rm_alloc_get(chan, handle, class, sizeof(*args), nvdec);
142cd60243cac1 drivers/gpu/drm/nouveau/nvkm/engine/nvdec/r535.c        Ben Skeggs 2023-09-19  33  	if (WARN_ON(IS_ERR(args)))
142cd60243cac1 drivers/gpu/drm/nouveau/nvkm/engine/nvdec/r535.c        Ben Skeggs 2023-09-19  34  		return PTR_ERR(args);
142cd60243cac1 drivers/gpu/drm/nouveau/nvkm/engine/nvdec/r535.c        Ben Skeggs 2023-09-19  35  
142cd60243cac1 drivers/gpu/drm/nouveau/nvkm/engine/nvdec/r535.c        Ben Skeggs 2023-09-19 @36  	args->size = sizeof(*args);
7c2d25f1e408bb drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/nvdec.c Ben Skeggs 2025-02-15  37  	args->engineInstance = inst;
142cd60243cac1 drivers/gpu/drm/nouveau/nvkm/engine/nvdec/r535.c        Ben Skeggs 2023-09-19  38  
7c2d25f1e408bb drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/nvdec.c Ben Skeggs 2025-02-15  39  	return nvkm_gsp_rm_alloc_wr(nvdec, args);
142cd60243cac1 drivers/gpu/drm/nouveau/nvkm/engine/nvdec/r535.c        Ben Skeggs 2023-09-19  40  }
142cd60243cac1 drivers/gpu/drm/nouveau/nvkm/engine/nvdec/r535.c        Ben Skeggs 2023-09-19  41  

:::::: The code at line 36 was first introduced by commit
:::::: 142cd60243cac1dfa18d3714ed4dd0cdc3786180 drm/nouveau/nvdec/r535: initial support

:::::: TO: Ben Skeggs <bskeggs@redhat.com>
:::::: CC: Dave Airlie <airlied@redhat.com>

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

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2026-06-01 23:07 UTC | newest]

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