From: kernel test robot <lkp@intel.com>
To: oe-kbuild@lists.linux.dev
Cc: lkp@intel.com, Dan Carpenter <error27@gmail.com>
Subject: drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/nvdec.c:36 r535_nvdec_alloc() warn: 'args' can also be NULL
Date: Tue, 02 Jun 2026 07:06:44 +0800 [thread overview]
Message-ID: <202606020601.chCDJclp-lkp@intel.com> (raw)
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
next reply other threads:[~2026-06-01 23:07 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-01 23:06 kernel test robot [this message]
-- strict thread matches above, loose matches on Subject: below --
2025-12-13 5:14 drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/nvdec.c:36 r535_nvdec_alloc() warn: 'args' can also be NULL kernel test robot
2025-12-12 15:04 kernel test robot
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