[android-common:android13-5.15 10/10] drivers/dma-buf/st-dma-fence-unwrap.c:75:39-45: ERROR: reference preceded by free on line 70

[android-common:android13-5.15 10/10] drivers/dma-buf/st-dma-fence-unwrap.c:75:39-45: ERROR: reference preceded by free on line 70

[kernel test robot]

BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
TO: cros-kernel-buildreports@googlegroups.com

tree:   https://android.googlesource.com/kernel/common android13-5.15
head:   f0b678d66a6fea50a07caa82f754461f550d500c
commit: 7aa4d35d52466ff170359781977cb644b595d2d1 [10/10] UPSTREAM: dma-buf: cleanup dma_fence_unwrap selftest v2
:::::: branch date: 19 hours ago
:::::: commit date: 19 hours ago
config: x86_64-randconfig-101-20241227 (https://download.01.org/0day-ci/archive/20241227/202412272143.B9jfMgsY-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0

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: Julia Lawall <julia.lawall@inria.fr>
| Closes: https://lore.kernel.org/r/202412272143.B9jfMgsY-lkp@intel.com/

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

169630111a051b Christian König 2022-03-11  45  
169630111a051b Christian König 2022-03-11  46  static struct dma_fence *mock_array(unsigned int num_fences, ...)
169630111a051b Christian König 2022-03-11  47  {
169630111a051b Christian König 2022-03-11  48  	struct dma_fence_array *array;
169630111a051b Christian König 2022-03-11  49  	struct dma_fence **fences;
169630111a051b Christian König 2022-03-11  50  	va_list valist;
169630111a051b Christian König 2022-03-11  51  	int i;
169630111a051b Christian König 2022-03-11  52  
169630111a051b Christian König 2022-03-11  53  	fences = kcalloc(num_fences, sizeof(*fences), GFP_KERNEL);
169630111a051b Christian König 2022-03-11  54  	if (!fences)
7aa4d35d52466f Christian König 2022-05-04  55  		goto error_put;
169630111a051b Christian König 2022-03-11  56  
169630111a051b Christian König 2022-03-11  57  	va_start(valist, num_fences);
169630111a051b Christian König 2022-03-11  58  	for (i = 0; i < num_fences; ++i)
169630111a051b Christian König 2022-03-11  59  		fences[i] = va_arg(valist, typeof(*fences));
169630111a051b Christian König 2022-03-11  60  	va_end(valist);
169630111a051b Christian König 2022-03-11  61  
169630111a051b Christian König 2022-03-11  62  	array = dma_fence_array_create(num_fences, fences,
169630111a051b Christian König 2022-03-11  63  				       dma_fence_context_alloc(1),
169630111a051b Christian König 2022-03-11  64  				       1, false);
169630111a051b Christian König 2022-03-11  65  	if (!array)
7aa4d35d52466f Christian König 2022-05-04  66  		goto error_free;
169630111a051b Christian König 2022-03-11  67  	return &array->base;
169630111a051b Christian König 2022-03-11  68  
7aa4d35d52466f Christian König 2022-05-04  69  error_free:
169630111a051b Christian König 2022-03-11 @70  	kfree(fences);
7aa4d35d52466f Christian König 2022-05-04  71  
7aa4d35d52466f Christian König 2022-05-04  72  error_put:
7aa4d35d52466f Christian König 2022-05-04  73  	va_start(valist, num_fences);
7aa4d35d52466f Christian König 2022-05-04  74  	for (i = 0; i < num_fences; ++i)
7aa4d35d52466f Christian König 2022-05-04 @75  		dma_fence_put(va_arg(valist, typeof(*fences)));
7aa4d35d52466f Christian König 2022-05-04  76  	va_end(valist);
169630111a051b Christian König 2022-03-11  77  	return NULL;
169630111a051b Christian König 2022-03-11  78  }
169630111a051b Christian König 2022-03-11  79  

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