From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: multipart/mixed; boundary="===============5985719245380266598==" MIME-Version: 1.0 From: kernel test robot 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 Message-ID: <202206091319.R3TNwLyb-lkp@intel.com> List-Id: To: kbuild@lists.01.org --===============5985719245380266598== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable CC: kbuild-all(a)lists.01.org BCC: lkp(a)intel.com CC: linux-kernel(a)vger.kernel.org TO: "Christian K=C3=B6nig" CC: Daniel Vetter 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/arch= ive/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 Reported-by: Julia Lawall cocci warnings: (new ones prefixed by >>) >> drivers/dma-buf/st-dma-fence-unwrap.c:75:39-45: ERROR: reference precede= d by free on line 70 vim +75 drivers/dma-buf/st-dma-fence-unwrap.c 64a8f92fd783e7 Christian K=C3=B6nig 2022-03-11 45 = 64a8f92fd783e7 Christian K=C3=B6nig 2022-03-11 46 static struct dma_fence= *mock_array(unsigned int num_fences, ...) 64a8f92fd783e7 Christian K=C3=B6nig 2022-03-11 47 { 64a8f92fd783e7 Christian K=C3=B6nig 2022-03-11 48 struct dma_fence_array= *array; 64a8f92fd783e7 Christian K=C3=B6nig 2022-03-11 49 struct dma_fence **fen= ces; 64a8f92fd783e7 Christian K=C3=B6nig 2022-03-11 50 va_list valist; 64a8f92fd783e7 Christian K=C3=B6nig 2022-03-11 51 int i; 64a8f92fd783e7 Christian K=C3=B6nig 2022-03-11 52 = 64a8f92fd783e7 Christian K=C3=B6nig 2022-03-11 53 fences =3D kcalloc(num= _fences, sizeof(*fences), GFP_KERNEL); 64a8f92fd783e7 Christian K=C3=B6nig 2022-03-11 54 if (!fences) 0c5064fa8d5a02 Christian K=C3=B6nig 2022-05-04 55 goto error_put; 64a8f92fd783e7 Christian K=C3=B6nig 2022-03-11 56 = 64a8f92fd783e7 Christian K=C3=B6nig 2022-03-11 57 va_start(valist, num_f= ences); 64a8f92fd783e7 Christian K=C3=B6nig 2022-03-11 58 for (i =3D 0; i < num_= fences; ++i) 64a8f92fd783e7 Christian K=C3=B6nig 2022-03-11 59 fences[i] =3D va_arg(= valist, typeof(*fences)); 64a8f92fd783e7 Christian K=C3=B6nig 2022-03-11 60 va_end(valist); 64a8f92fd783e7 Christian K=C3=B6nig 2022-03-11 61 = 64a8f92fd783e7 Christian K=C3=B6nig 2022-03-11 62 array =3D dma_fence_ar= ray_create(num_fences, fences, 64a8f92fd783e7 Christian K=C3=B6nig 2022-03-11 63 dma_fence_co= ntext_alloc(1), 64a8f92fd783e7 Christian K=C3=B6nig 2022-03-11 64 1, false); 64a8f92fd783e7 Christian K=C3=B6nig 2022-03-11 65 if (!array) 0c5064fa8d5a02 Christian K=C3=B6nig 2022-05-04 66 goto error_free; 64a8f92fd783e7 Christian K=C3=B6nig 2022-03-11 67 return &array->base; 64a8f92fd783e7 Christian K=C3=B6nig 2022-03-11 68 = 0c5064fa8d5a02 Christian K=C3=B6nig 2022-05-04 69 error_free: 64a8f92fd783e7 Christian K=C3=B6nig 2022-03-11 @70 kfree(fences); 0c5064fa8d5a02 Christian K=C3=B6nig 2022-05-04 71 = 0c5064fa8d5a02 Christian K=C3=B6nig 2022-05-04 72 error_put: 0c5064fa8d5a02 Christian K=C3=B6nig 2022-05-04 73 va_start(valist, num_f= ences); 0c5064fa8d5a02 Christian K=C3=B6nig 2022-05-04 74 for (i =3D 0; i < num_= fences; ++i) 0c5064fa8d5a02 Christian K=C3=B6nig 2022-05-04 @75 dma_fence_put(va_arg(= valist, typeof(*fences))); 0c5064fa8d5a02 Christian K=C3=B6nig 2022-05-04 76 va_end(valist); 64a8f92fd783e7 Christian K=C3=B6nig 2022-03-11 77 return NULL; 64a8f92fd783e7 Christian K=C3=B6nig 2022-03-11 78 } 64a8f92fd783e7 Christian K=C3=B6nig 2022-03-11 79 = -- = 0-DAY CI Kernel Test Service https://01.org/lkp --===============5985719245380266598==--