From: kernel test robot <lkp@intel.com>
To: Mikko Perttunen <mperttunen@nvidia.com>,
thierry.reding@gmail.com, jonathanh@nvidia.com, digetx@gmail.com,
airlied@linux.ie, daniel@ffwll.ch
Cc: kbuild-all@lists.01.org, bhuntsman@nvidia.com,
dri-devel@lists.freedesktop.org,
Mikko Perttunen <mperttunen@nvidia.com>,
talho@nvidia.com, clang-built-linux@googlegroups.com,
linux-tegra@vger.kernel.org
Subject: Re: [PATCH v3 09/20] gpu: host1x: DMA fences and userspace fence creation
Date: Thu, 8 Oct 2020 19:13:14 +0800 [thread overview]
Message-ID: <202010081649.lI8WVHvB-lkp@intel.com> (raw)
In-Reply-To: <20201007171238.1795964-10-mperttunen@nvidia.com>
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Hi Mikko,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on tegra-drm/drm/tegra/for-next]
[also build test WARNING on tegra/for-next linus/master v5.9-rc8 next-20201007]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url: https://github.com/0day-ci/linux/commits/Mikko-Perttunen/Host1x-TegraDRM-UAPI/20201008-034403
base: git://anongit.freedesktop.org/tegra/linux.git drm/tegra/for-next
config: arm64-randconfig-r021-20201008 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 4d1d8ae7100ec3c7e1709addb7b3ec6f9ad0b44f)
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
# install arm64 cross compiling tool for clang build
# apt-get install binutils-aarch64-linux-gnu
# https://github.com/0day-ci/linux/commit/c4f5ec983027f2b19e6854a362e23a79e1630100
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Mikko-Perttunen/Host1x-TegraDRM-UAPI/20201008-034403
git checkout c4f5ec983027f2b19e6854a362e23a79e1630100
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64
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/gpu/host1x/uapi.c:227:8: warning: variable 'file' is uninitialized when used here [-Wuninitialized]
fput(file->file);
^~~~
drivers/gpu/host1x/uapi.c:204:24: note: initialize the variable 'file' to silence this warning
struct sync_file *file;
^
= NULL
1 warning generated.
--
>> drivers/gpu/host1x/fence.c:105:6: warning: no previous prototype for function 'host1x_fence_signal' [-Wmissing-prototypes]
void host1x_fence_signal(struct host1x_syncpt_fence *f)
^
drivers/gpu/host1x/fence.c:105:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void host1x_fence_signal(struct host1x_syncpt_fence *f)
^
static
1 warning generated.
vim +/file +227 drivers/gpu/host1x/uapi.c
199
200 static int dev_file_ioctl_create_fence(struct host1x *host1x, void __user *data)
201 {
202 struct host1x_create_fence args;
203 unsigned long copy_err;
204 struct sync_file *file;
205 int fd;
206
207 copy_err = copy_from_user(&args, data, sizeof(args));
208 if (copy_err)
209 return -EFAULT;
210
211 if (args.reserved[0])
212 return -EINVAL;
213
214 if (args.id >= host1x_syncpt_nb_pts(host1x))
215 return -EINVAL;
216
217 args.id = array_index_nospec(args.id, host1x_syncpt_nb_pts(host1x));
218
219 fd = host1x_fence_create_fd(&host1x->syncpt[args.id], args.threshold);
220 if (fd < 0)
221 return fd;
222
223 args.fence_fd = fd;
224
225 copy_err = copy_to_user(data, &args, sizeof(args));
226 if (copy_err) {
> 227 fput(file->file);
228 return -EFAULT;
229 }
230
231 return 0;
232 }
233
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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next prev parent reply other threads:[~2020-10-08 11:13 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-07 17:12 [PATCH v3 00/20] Host1x/TegraDRM UAPI Mikko Perttunen
2020-10-07 17:12 ` [PATCH v3 01/20] gpu: host1x: Use different lock classes for each client Mikko Perttunen
2020-10-07 17:12 ` [PATCH v3 02/20] gpu: host1x: Allow syncpoints without associated client Mikko Perttunen
2020-10-07 17:12 ` [PATCH v3 03/20] gpu: host1x: Show number of pending waiters in debugfs Mikko Perttunen
2020-10-07 17:12 ` [PATCH v3 04/20] gpu: host1x: Remove cancelled waiters immediately Mikko Perttunen
2020-10-07 17:12 ` [PATCH v3 05/20] gpu: host1x: Use HW-equivalent syncpoint expiration check Mikko Perttunen
2020-10-07 17:12 ` [PATCH v3 06/20] gpu: host1x: Cleanup and refcounting for syncpoints Mikko Perttunen
2020-10-07 22:23 ` kernel test robot
2020-10-07 17:12 ` [PATCH v3 07/20] gpu: host1x: Introduce UAPI header Mikko Perttunen
2020-10-07 17:12 ` [PATCH v3 08/20] gpu: host1x: Implement /dev/host1x device node Mikko Perttunen
2020-10-07 17:12 ` [PATCH v3 09/20] gpu: host1x: DMA fences and userspace fence creation Mikko Perttunen
2020-10-07 23:13 ` kernel test robot
2020-10-08 11:13 ` kernel test robot [this message]
2020-10-07 17:12 ` [PATCH v3 10/20] gpu: host1x: Add no-recovery mode Mikko Perttunen
2020-10-07 17:12 ` [PATCH v3 11/20] gpu: host1x: Add job release callback Mikko Perttunen
2020-10-07 17:12 ` [PATCH v3 12/20] gpu: host1x: Add support for syncpoint waits in CDMA pushbuffer Mikko Perttunen
2020-10-07 17:12 ` [PATCH v3 13/20] gpu: host1x: Reset max value when freeing a syncpoint Mikko Perttunen
2020-10-07 17:12 ` [PATCH v3 14/20] gpu: host1x: Reserve VBLANK syncpoints at initialization Mikko Perttunen
2020-10-07 17:12 ` [PATCH v3 15/20] drm/tegra: Add new UAPI to header Mikko Perttunen
2020-10-07 17:12 ` [PATCH v3 16/20] drm/tegra: Boot VIC during runtime PM resume Mikko Perttunen
2020-10-07 17:12 ` [PATCH v3 17/20] drm/tegra: Set resv fields when importing/exporting GEMs Mikko Perttunen
2020-10-07 17:12 ` [PATCH v3 18/20] drm/tegra: Allocate per-engine channel in core code Mikko Perttunen
2020-10-07 17:12 ` [PATCH v3 19/20] drm/tegra: Implement new UAPI Mikko Perttunen
2020-10-08 3:42 ` kernel test robot
2020-10-19 2:21 ` Dmitry Osipenko
2020-10-19 8:13 ` Mikko Perttunen
2020-10-19 17:27 ` Dmitry Osipenko
2020-10-20 9:18 ` Mikko Perttunen
2020-10-22 4:20 ` Dmitry Osipenko
2020-10-26 9:11 ` Mikko Perttunen
2020-10-27 19:06 ` Dmitry Osipenko
2020-10-28 9:54 ` Mikko Perttunen
2020-10-30 23:13 ` Dmitry Osipenko
2020-11-09 14:53 ` Mikko Perttunen
2020-11-12 18:35 ` Dmitry Osipenko
2020-10-20 11:40 ` Daniel Vetter
2020-10-20 12:51 ` Mikko Perttunen
2020-10-07 17:12 ` [PATCH v3 20/20] drm/tegra: Add job firewall Mikko Perttunen
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