Hi Nick, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 3c02090eb0ad149880a8c798014249ad2d642617 commit: b8ba22a604e4d0a3ad8e23af22f432e12b6f1a65 [17239/23855] nvme: fix compat address handling in several ioctls config: arm64-randconfig-003-20241024 (https://download.01.org/0day-ci/archive/20241024/202410240741.LLyNQDLf-lkp@i...) compiler: aarch64-linux-gcc (GCC) 14.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241024/202410240741.LLyNQDLf-lkp@i...) 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/202410240741.LLyNQDLf-lkp@intel.com/ All errors (new ones prefixed by >>): drivers/nvme/host/core.c: In function 'nvme_to_user_ptr':

...

drivers/nvme/host/core.c:1163:27: error: 'compat_uptr_t' undeclared (first use in this function); did you mean 'compat_time_t'? 1163 | ptrval = (compat_uptr_t)ptrval; | ^~~~~~~~~~~~~ | compat_time_t drivers/nvme/host/core.c:1163:27: note: each undeclared identifier is reported only once for each function it appears in drivers/nvme/host/core.c:1163:41: error: expected ';' before 'ptrval' 1163 | ptrval = (compat_uptr_t)ptrval; | ^~~~~~ | ;

vim +1163 drivers/nvme/host/core.c 1154 1155 /* 1156 * Convert integer values from ioctl structures to user pointers, silently 1157 * ignoring the upper bits in the compat case to match behaviour of 32-bit 1158 * kernels. 1159 */ 1160 static void __user *nvme_to_user_ptr(uintptr_t ptrval) 1161 { 1162 if (in_compat_syscall())

1163 ptrval = (compat_uptr_t)ptrval; 1164 return (void __user *)ptrval; 1165 } 1166

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