Index: VirtualBox-6.1.40/src/VBox/Runtime/r0drv/linux/the-linux-kernel.h =================================================================== --- VirtualBox-6.1.40.orig/src/VBox/Runtime/r0drv/linux/the-linux-kernel.h +++ VirtualBox-6.1.40/src/VBox/Runtime/r0drv/linux/the-linux-kernel.h @@ -137,9 +137,9 @@ #include #include #include -#if RTLNX_VER_MIN(5,9,0) || RTLNX_SUSE_MAJ_PREREQ(15,3) /* linux/fs.h defined HAVE_UNLOCKED_IOCTL from 2.6.11 up to 5.9 (also 5.3.18-56 in SLES15-SP3), when it became an implicit assumption. */ +//#if RTLNX_VER_MIN(5,9,0) || RTLNX_SUSE_MAJ_PREREQ(15,3) /* linux/fs.h defined HAVE_UNLOCKED_IOCTL from 2.6.11 up to 5.9 (also 5.3.18-56 in SLES15-SP3), when it became an implicit assumption. */ # define HAVE_UNLOCKED_IOCTL 1 /* We use this in a couple of places, so for now just define it for 5.9+ too. */ -#endif +//#endif #if !defined(HAVE_UNLOCKED_IOCTL) && RTLNX_VER_MAX(2,6,38) # include #endif