On Wed, 2024-06-19 at 11:15 +0800, kernel test robot wrote:
Hi Paul,
kernel test robot noticed the following build errors:
[auto build test ERROR on jic23-iio/togreg] [also build test ERROR on vkoul-dmaengine/next linus/master v6.10-rc4 next- 20240618] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Paul-Cercueil/dmaengine-Add-A... base: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git%C2%A0togreg patch link: https://lore.kernel.org/r/20240618100302.72886-4-paul%40crapouillou.net patch subject: [PATCH v11 3/7] iio: core: Add new DMABUF interface infrastructure config: x86_64-randconfig-161-20240619 (https://download.01.org/0day-ci/archive/20240619/202406191014.9JAzwRV6-lkp@i... om/config) compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project%C2%A0617a15a9eac96088ae5e9134248d8236e3...) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240619/202406191014.9JAzwRV6-lkp@i... om/reproduce)
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 Closes: https://lore.kernel.org/oe-kbuild-all/202406191014.9JAzwRV6-lkp@intel.com/
All errors (new ones prefixed by >>):
drivers/iio/industrialio-buffer.c:1715:3: error: cannot jump from this goto statement to its label
1715 | goto err_dmabuf_unmap_attachment; | ^ drivers/iio/industrialio-buffer.c:1720:2: note: jump bypasses initialization of
I guess the compiler produces code that will run the cleanup function on an uninitialized variable. I would then go back to plain mutex() instead of moving guard() to a place where it does not make sense only to shut up the warnings.
- Nuno Sá