drivers/dma-buf/st-dma-fence-unwrap.c:78:39-45: ERROR: reference preceded by free on line 73
kernel test robot <[email protected]>
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BCC: [email protected] CC: [email protected] CC: [email protected] TO: Jason Gunthorpe <[email protected]> CC: "Christian König" <[email protected]> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 0e35b9b6ec0ffcc5e23cbdec09f5c622ad532b53 commit: 465f3934381c4e9a5bf9fe0eb866275b0ece5a5d dma-buf: Change st-dma-fence-unwrap.c to use kunit date: 3 months ago :::::: branch date: 2 days ago :::::: commit date: 3 months ago config: hexagon-randconfig-r052-20260708 (https://download.01.org/0day-ci/archive/20260708/[email protected]/config) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) 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: 465f3934381c ("dma-buf: Change st-dma-fence-unwrap.c to use kunit") | Reported-by: kernel test robot <[email protected]> | Reported-by: Julia Lawall <[email protected]> | Closes: https://lore.kernel.org/r/[email protected]/ cocci warnings: (new ones prefixed by >>) >> drivers/dma-buf/st-dma-fence-unwrap.c:78:39-45: ERROR: reference preceded by free on line 73 vim +78 drivers/dma-buf/st-dma-fence-unwrap.c d2a0b1bc5773d3 Tvrtko Ursulin 2024-11-15 48 64a8f92fd783e7 Christian König 2022-03-11 49 static struct dma_fence *mock_array(unsigned int num_fences, ...) 64a8f92fd783e7 Christian König 2022-03-11 50 { 64a8f92fd783e7 Christian König 2022-03-11 51 struct dma_fence_array *array; 64a8f92fd783e7 Christian König 2022-03-11 52 struct dma_fence **fences; 64a8f92fd783e7 Christian König 2022-03-11 53 va_list valist; 64a8f92fd783e7 Christian König 2022-03-11 54 int i; 64a8f92fd783e7 Christian König 2022-03-11 55 bf4afc53b77aea Linus Torvalds 2026-02-21 56 fences = kzalloc_objs(*fences, num_fences); 64a8f92fd783e7 Christian König 2022-03-11 57 if (!fences) 0c5064fa8d5a02 Christian König 2022-05-04 58 goto error_put; 64a8f92fd783e7 Christian König 2022-03-11 59 64a8f92fd783e7 Christian König 2022-03-11 60 va_start(valist, num_fences); 64a8f92fd783e7 Christian König 2022-03-11 61 for (i = 0; i < num_fences; ++i) 64a8f92fd783e7 Christian König 2022-03-11 62 fences[i] = va_arg(valist, typeof(*fences)); 64a8f92fd783e7 Christian König 2022-03-11 63 va_end(valist); 64a8f92fd783e7 Christian König 2022-03-11 64 64a8f92fd783e7 Christian König 2022-03-11 65 array = dma_fence_array_create(num_fences, fences, 64a8f92fd783e7 Christian König 2022-03-11 66 dma_fence_context_alloc(1), 64a8f92fd783e7 Christian König 2022-03-11 67 1, false); 64a8f92fd783e7 Christian König 2022-03-11 68 if (!array) 0c5064fa8d5a02 Christian König 2022-05-04 69 goto error_free; 64a8f92fd783e7 Christian König 2022-03-11 70 return &array->base; 64a8f92fd783e7 Christian König 2022-03-11 71 0c5064fa8d5a02 Christian König 2022-05-04 72 error_free: 64a8f92fd783e7 Christian König 2022-03-11 @73 kfree(fences); 0c5064fa8d5a02 Christian König 2022-05-04 74 0c5064fa8d5a02 Christian König 2022-05-04 75 error_put: 0c5064fa8d5a02 Christian König 2022-05-04 76 va_start(valist, num_fences); 0c5064fa8d5a02 Christian König 2022-05-04 77 for (i = 0; i < num_fences; ++i) 0c5064fa8d5a02 Christian König 2022-05-04 @78 dma_fence_put(va_arg(valist, typeof(*fences))); 0c5064fa8d5a02 Christian König 2022-05-04 79 va_end(valist); 64a8f92fd783e7 Christian König 2022-03-11 80 return NULL; 64a8f92fd783e7 Christian König 2022-03-11 81 } 64a8f92fd783e7 Christian König 2022-03-11 82 :::::: The code at line 78 was first introduced by commit :::::: 0c5064fa8d5a02dc2dcc6c674a0ad1bbaf79efda dma-buf: cleanup dma_fence_unwrap selftest v2 :::::: TO: Christian König <[email protected]> :::::: CC: Christian König <[email protected]> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki