Hi Laurent, I love your patch! Perhaps something to improve: [auto build test WARNING on linus/master] [also build test WARNING on v5.7-rc4] [cannot apply to linuxtv-media/master anholt/for-next next-20200505] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Laurent-Pinchart/Drivers-for-the-BCM283x-CSI-2-CCP2-receiver-and-ISP/20200505-054310 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 9851a0dee7c28514f149f7e4f60ec1b06286cc1b reproduce: # apt-get install sparse # sparse version: v0.6.1-191-gc51a0382-dirty make ARCH=x86_64 allmodconfig make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp@xxxxxxxxx> sparse warnings: (new ones prefixed by >>) >> drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c:1796:36: sparse: sparse: Using plain integer as NULL pointer drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c:472:48: sparse: sparse: non size-preserving integer to pointer cast vim +1796 drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c 1779 1780 int mmal_vchi_buffer_cleanup(struct mmal_buffer *buf) 1781 { 1782 struct mmal_msg_context *msg_context = buf->msg_context; 1783 1784 if (msg_context) 1785 release_msg_context(msg_context); 1786 buf->msg_context = NULL; 1787 1788 if (buf->vcsm_handle) { 1789 int ret; 1790 1791 pr_debug("%s: vc_sm_cma_free on handle %p\n", __func__, 1792 buf->vcsm_handle); 1793 ret = vc_sm_cma_free(buf->vcsm_handle); 1794 if (ret) 1795 pr_err("%s: vcsm_free failed, ret %d\n", __func__, ret); > 1796 buf->vcsm_handle = 0; 1797 } 1798 return 0; 1799 } 1800 EXPORT_SYMBOL_GPL(mmal_vchi_buffer_cleanup); 1801 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
