From: kernel test robot <lkp@intel.com>
To: kbuild@lists.01.org
Subject: [drm-misc:drm-misc-next 1/5] drivers/dma-buf/st-dma-fence-unwrap.c:75:39-45: ERROR: reference preceded by free on line 70
Date: Thu, 09 Jun 2022 13:34:38 +0800 [thread overview]
Message-ID: <202206091319.R3TNwLyb-lkp@intel.com> (raw)
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CC: kbuild-all(a)lists.01.org
BCC: lkp(a)intel.com
CC: linux-kernel(a)vger.kernel.org
TO: "Christian König" <christian.koenig@amd.com>
CC: Daniel Vetter <daniel.vetter@ffwll.ch>
tree: git://anongit.freedesktop.org/drm/drm-misc drm-misc-next
head: 6aed665f9d8368ae1e962f44339150884bb47f5b
commit: 0c5064fa8d5a02dc2dcc6c674a0ad1bbaf79efda [1/5] dma-buf: cleanup dma_fence_unwrap selftest v2
:::::: branch date: 9 hours ago
:::::: commit date: 10 days ago
config: m68k-randconfig-c003-20220608 (https://download.01.org/0day-ci/archive/20220609/202206091319.R3TNwLyb-lkp(a)intel.com/config)
compiler: m68k-linux-gcc (GCC) 11.3.0
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Julia Lawall <julia.lawall@lip6.fr>
cocci warnings: (new ones prefixed by >>)
>> drivers/dma-buf/st-dma-fence-unwrap.c:75:39-45: ERROR: reference preceded by free on line 70
vim +75 drivers/dma-buf/st-dma-fence-unwrap.c
64a8f92fd783e7 Christian König 2022-03-11 45
64a8f92fd783e7 Christian König 2022-03-11 46 static struct dma_fence *mock_array(unsigned int num_fences, ...)
64a8f92fd783e7 Christian König 2022-03-11 47 {
64a8f92fd783e7 Christian König 2022-03-11 48 struct dma_fence_array *array;
64a8f92fd783e7 Christian König 2022-03-11 49 struct dma_fence **fences;
64a8f92fd783e7 Christian König 2022-03-11 50 va_list valist;
64a8f92fd783e7 Christian König 2022-03-11 51 int i;
64a8f92fd783e7 Christian König 2022-03-11 52
64a8f92fd783e7 Christian König 2022-03-11 53 fences = kcalloc(num_fences, sizeof(*fences), GFP_KERNEL);
64a8f92fd783e7 Christian König 2022-03-11 54 if (!fences)
0c5064fa8d5a02 Christian König 2022-05-04 55 goto error_put;
64a8f92fd783e7 Christian König 2022-03-11 56
64a8f92fd783e7 Christian König 2022-03-11 57 va_start(valist, num_fences);
64a8f92fd783e7 Christian König 2022-03-11 58 for (i = 0; i < num_fences; ++i)
64a8f92fd783e7 Christian König 2022-03-11 59 fences[i] = va_arg(valist, typeof(*fences));
64a8f92fd783e7 Christian König 2022-03-11 60 va_end(valist);
64a8f92fd783e7 Christian König 2022-03-11 61
64a8f92fd783e7 Christian König 2022-03-11 62 array = dma_fence_array_create(num_fences, fences,
64a8f92fd783e7 Christian König 2022-03-11 63 dma_fence_context_alloc(1),
64a8f92fd783e7 Christian König 2022-03-11 64 1, false);
64a8f92fd783e7 Christian König 2022-03-11 65 if (!array)
0c5064fa8d5a02 Christian König 2022-05-04 66 goto error_free;
64a8f92fd783e7 Christian König 2022-03-11 67 return &array->base;
64a8f92fd783e7 Christian König 2022-03-11 68
0c5064fa8d5a02 Christian König 2022-05-04 69 error_free:
64a8f92fd783e7 Christian König 2022-03-11 @70 kfree(fences);
0c5064fa8d5a02 Christian König 2022-05-04 71
0c5064fa8d5a02 Christian König 2022-05-04 72 error_put:
0c5064fa8d5a02 Christian König 2022-05-04 73 va_start(valist, num_fences);
0c5064fa8d5a02 Christian König 2022-05-04 74 for (i = 0; i < num_fences; ++i)
0c5064fa8d5a02 Christian König 2022-05-04 @75 dma_fence_put(va_arg(valist, typeof(*fences)));
0c5064fa8d5a02 Christian König 2022-05-04 76 va_end(valist);
64a8f92fd783e7 Christian König 2022-03-11 77 return NULL;
64a8f92fd783e7 Christian König 2022-03-11 78 }
64a8f92fd783e7 Christian König 2022-03-11 79
--
0-DAY CI Kernel Test Service
https://01.org/lkp
next reply other threads:[~2022-06-09 5:34 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-09 5:34 kernel test robot [this message]
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2022-06-01 2:19 [drm-misc:drm-misc-next 1/5] drivers/dma-buf/st-dma-fence-unwrap.c:75:39-45: ERROR: reference preceded by free on line 70 kernel test robot
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