Hi Kenneth, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on cryptodev/master] [also build test WARNING on v4.19-rc2 next-20180831] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Kenneth-Lee/A-General-Accelerator-Framework-WarpDrive/20180903-162733 base: https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git master reproduce: # apt-get install sparse make ARCH=x86_64 allmodconfig make C=1 CF=-D__CHECK_ENDIAN__ :::::: branch date: 3 hours ago :::::: commit date: 3 hours ago >> drivers/vfio/sdmdev/vfio_sdmdev.c:106:30: sparse: symbol 'vfio_sdmdev_groups' was not declared. Should it be static? drivers/vfio/sdmdev/vfio_sdmdev.c: In function 'vfio_sdmdev_mdev_remove': drivers/vfio/sdmdev/vfio_sdmdev.c:178:2: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if (sdmdev->ops->put_queue); ^~ drivers/vfio/sdmdev/vfio_sdmdev.c:179:3: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if' sdmdev->ops->put_queue(q); ^~~~~~ Please review and possibly fold the followup patch. --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation