Hi Sasha, [FYI, it's a private test report for your RFC patch.] [auto build test WARNING on linus/master] [also build test WARNING on v5.7-rc6 next-20200519] [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/Sasha-Levin/DirectX-on-Linux/202... base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 642b151f45dd54809ea00ecd3976a56c1ec9b53d config: i386-allyesconfig (attached as .config) reproduce: # apt-get install sparse # sparse version: v0.6.1-193-gb8fad4bc-dirty # save the attached .config to linux build tree make C=1 ARCH=i386 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) drivers/gpu/dxgkrnl/dxgvmbus.c:1709:51: sparse: got unsigned long long [usertype] *fence_values drivers/gpu/dxgkrnl/dxgvmbus.c:1805:65: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] <asn:1> *from @@ got sn:1> *from @@ drivers/gpu/dxgkrnl/dxgvmbus.c:1805:65: sparse: expected void const [noderef] <asn:1> *from drivers/gpu/dxgkrnl/dxgvmbus.c:1805:65: sparse: got void ** drivers/gpu/dxgkrnl/dxgvmbus.c:1863:41: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] <asn:1> *from @@ got [noderef] <asn:1> *from @@ drivers/gpu/dxgkrnl/dxgvmbus.c:1863:41: sparse: expected void const [noderef] <asn:1> *from drivers/gpu/dxgkrnl/dxgvmbus.c:1863:41: sparse: got unsigned long long * drivers/gpu/dxgkrnl/dxgvmbus.c:1933:51: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] <asn:1> *from @@ got uvoid const [noderef] <asn:1> *from @@ drivers/gpu/dxgkrnl/dxgvmbus.c:1933:51: sparse: expected void const [noderef] <asn:1> *from drivers/gpu/dxgkrnl/dxgvmbus.c:1933:51: sparse: got unsigned int const [usertype] *allocation_list drivers/gpu/dxgkrnl/dxgvmbus.c:1938:38: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] <asn:1> *from @@ got uvoid const [noderef] <asn:1> *from @@ drivers/gpu/dxgkrnl/dxgvmbus.c:1938:38: sparse: expected void const [noderef] <asn:1> *from drivers/gpu/dxgkrnl/dxgvmbus.c:1938:38: sparse: got unsigned int const [usertype] *priorities drivers/gpu/dxgkrnl/dxgvmbus.c:2000:51: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] <asn:1> *from @@ got uvoid const [noderef] <asn:1> *from @@ drivers/gpu/dxgkrnl/dxgvmbus.c:2000:51: sparse: expected void const [noderef] <asn:1> *from drivers/gpu/dxgkrnl/dxgvmbus.c:2000:51: sparse: got unsigned int const [usertype] *allocation_list drivers/gpu/dxgkrnl/dxgvmbus.c:2016:69: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] <asn:1> *from @@ got const [noderef] <asn:1> *from @@ drivers/gpu/dxgkrnl/dxgvmbus.c:2016:69: sparse: expected void const [noderef] <asn:1> *from drivers/gpu/dxgkrnl/dxgvmbus.c:2016:69: sparse: got unsigned char [usertype] * drivers/gpu/dxgkrnl/dxgvmbus.c:2097:68: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] <asn:1> *from @@ got const [noderef] <asn:1> *from @@ drivers/gpu/dxgkrnl/dxgvmbus.c:2097:68: sparse: expected void const [noderef] <asn:1> *from drivers/gpu/dxgkrnl/dxgvmbus.c:2097:68: sparse: got unsigned int [usertype] *resources drivers/gpu/dxgkrnl/dxgvmbus.c:2101:46: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] <asn:1> *from @@ got uvoid const [noderef] <asn:1> *from @@ drivers/gpu/dxgkrnl/dxgvmbus.c:2101:46: sparse: expected void const [noderef] <asn:1> *from drivers/gpu/dxgkrnl/dxgvmbus.c:2101:46: sparse: got unsigned int const [usertype] *allocations drivers/gpu/dxgkrnl/dxgvmbus.c:2144:68: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] <asn:1> *from @@ got const [noderef] <asn:1> *from @@ drivers/gpu/dxgkrnl/dxgvmbus.c:2144:68: sparse: expected void const [noderef] <asn:1> *from drivers/gpu/dxgkrnl/dxgvmbus.c:2144:68: sparse: got unsigned int [usertype] *resources drivers/gpu/dxgkrnl/dxgvmbus.c:2148:46: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] <asn:1> *from @@ got const [noderef] <asn:1> *from @@ drivers/gpu/dxgkrnl/dxgvmbus.c:2148:46: sparse: expected void const [noderef] <asn:1> *from drivers/gpu/dxgkrnl/dxgvmbus.c:2148:46: sparse: got unsigned int [usertype] *allocations drivers/gpu/dxgkrnl/dxgvmbus.c:2167:33: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] <asn:1> *from @@ got [noderef] <asn:1> *from @@ drivers/gpu/dxgkrnl/dxgvmbus.c:2167:33: sparse: expected void const [noderef] <asn:1> *from drivers/gpu/dxgkrnl/dxgvmbus.c:2167:33: sparse: got unsigned long long * drivers/gpu/dxgkrnl/dxgvmbus.c:2173:55: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] <asn:1> *from @@ got unsigned invoid const [noderef] <asn:1> *from @@ drivers/gpu/dxgkrnl/dxgvmbus.c:2173:55: sparse: expected void const [noderef] <asn:1> *from drivers/gpu/dxgkrnl/dxgvmbus.c:2173:55: sparse: got unsigned int enum d3dddi_reclaim_result * drivers/gpu/dxgkrnl/dxgvmbus.c:2250:46: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] <asn:1> *from @@ got n:1> *from @@ drivers/gpu/dxgkrnl/dxgvmbus.c:2250:46: sparse: expected void const [noderef] <asn:1> *from drivers/gpu/dxgkrnl/dxgvmbus.c:2250:46: sparse: got void *priv_drv_data drivers/gpu/dxgkrnl/dxgvmbus.c:2283:49: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] <asn:1> *from @@ got ref] <asn:1> *from @@ drivers/gpu/dxgkrnl/dxgvmbus.c:2283:49: sparse: expected void const [noderef] <asn:1> *from drivers/gpu/dxgkrnl/dxgvmbus.c:2283:49: sparse: got unsigned int * drivers/gpu/dxgkrnl/dxgvmbus.c:2286:34: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] <asn:1> *from @@ got ref] <asn:1> *from @@ drivers/gpu/dxgkrnl/dxgvmbus.c:2286:34: sparse: expected void const [noderef] <asn:1> *from drivers/gpu/dxgkrnl/dxgvmbus.c:2286:34: sparse: got unsigned int * drivers/gpu/dxgkrnl/dxgvmbus.c:2290:31: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] <asn:1> *from @@ got sn:1> *from @@ drivers/gpu/dxgkrnl/dxgvmbus.c:2290:31: sparse: expected void const [noderef] <asn:1> *from drivers/gpu/dxgkrnl/dxgvmbus.c:2290:31: sparse: got void ** drivers/gpu/dxgkrnl/dxgvmbus.c:2294:31: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] <asn:1> *from @@ got [noderef] <asn:1> *from @@ drivers/gpu/dxgkrnl/dxgvmbus.c:2294:31: sparse: expected void const [noderef] <asn:1> *from drivers/gpu/dxgkrnl/dxgvmbus.c:2294:31: sparse: got unsigned long long * drivers/gpu/dxgkrnl/dxgvmbus.c:2298:41: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] <asn:1> *from @@ got eref] <asn:1> *from @@ drivers/gpu/dxgkrnl/dxgvmbus.c:2298:41: sparse: expected void const [noderef] <asn:1> *from drivers/gpu/dxgkrnl/dxgvmbus.c:2298:41: sparse: got unsigned char * drivers/gpu/dxgkrnl/dxgvmbus.c:2352:38: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] <asn:1> *from @@ got n:1> *from @@ drivers/gpu/dxgkrnl/dxgvmbus.c:2352:38: sparse: expected void const [noderef] <asn:1> *from drivers/gpu/dxgkrnl/dxgvmbus.c:2352:38: sparse: got void *private_data drivers/gpu/dxgkrnl/dxgvmbus.c:2384:52: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] <asn:1> *from @@ got eref] <asn:1> *from @@ drivers/gpu/dxgkrnl/dxgvmbus.c:2384:52: sparse: expected void const [noderef] <asn:1> *from drivers/gpu/dxgkrnl/dxgvmbus.c:2384:52: sparse: got unsigned char * drivers/gpu/dxgkrnl/dxgvmbus.c:2411:59: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] <asn:1> *from @@ got const [noderef] <asn:1> *from @@ drivers/gpu/dxgkrnl/dxgvmbus.c:2411:59: sparse: expected void const [noderef] <asn:1> *from drivers/gpu/dxgkrnl/dxgvmbus.c:2411:59: sparse: got unsigned int [usertype] *written_primaries drivers/gpu/dxgkrnl/dxgvmbus.c:2418:46: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] <asn:1> *from @@ got n:1> *from @@ drivers/gpu/dxgkrnl/dxgvmbus.c:2418:46: sparse: expected void const [noderef] <asn:1> *from drivers/gpu/dxgkrnl/dxgvmbus.c:2418:46: sparse: got void *priv_drv_data drivers/gpu/dxgkrnl/dxgvmbus.c:2458:54: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] <asn:1> *from @@ got const [noderef] <asn:1> *from @@ drivers/gpu/dxgkrnl/dxgvmbus.c:2458:54: sparse: expected void const [noderef] <asn:1> *from drivers/gpu/dxgkrnl/dxgvmbus.c:2458:54: sparse: got struct dxgk_gpuclockdata * drivers/gpu/dxgkrnl/dxgvmbus.c:2523:59: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] <asn:1> *from @@ got const [noderef] <asn:1> *from @@ drivers/gpu/dxgkrnl/dxgvmbus.c:2523:59: sparse: expected void const [noderef] <asn:1> *from drivers/gpu/dxgkrnl/dxgvmbus.c:2523:59: sparse: got unsigned int [usertype] *allocations drivers/gpu/dxgkrnl/dxgvmbus.c:2543:63: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] <asn:1> *from @@ got struct dxgkvmb_command_quevoid const [noderef] <asn:1> *from @@ drivers/gpu/dxgkrnl/dxgvmbus.c:2543:63: sparse: expected void const [noderef] <asn:1> *from drivers/gpu/dxgkrnl/dxgvmbus.c:2543:63: sparse: got struct dxgkvmb_command_queryallocationresidency_return * drivers/gpu/dxgkrnl/dxgvmbus.c:2587:46: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] <asn:1> *from @@ got n:1> *from @@ drivers/gpu/dxgkrnl/dxgvmbus.c:2587:46: sparse: expected void const [noderef] <asn:1> *from drivers/gpu/dxgkrnl/dxgvmbus.c:2587:46: sparse: got void *priv_drv_data drivers/gpu/dxgkrnl/dxgvmbus.c:2600:40: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] <asn:1> *from @@ got eref] <asn:1> *from @@ drivers/gpu/dxgkrnl/dxgvmbus.c:2600:40: sparse: expected void const [noderef] <asn:1> *from drivers/gpu/dxgkrnl/dxgvmbus.c:2600:40: sparse: got unsigned char * drivers/gpu/dxgkrnl/dxgvmbus.c:2632:50: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] <asn:1> *from @@ got [noderef] <asn:1> *from @@ drivers/gpu/dxgkrnl/dxgvmbus.c:2632:50: sparse: expected void const [noderef] <asn:1> *from drivers/gpu/dxgkrnl/dxgvmbus.c:2632:50: sparse: got unsigned long long * drivers/gpu/dxgkrnl/dxgvmbus.c:2636:57: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] <asn:1> *from @@ got [noderef] <asn:1> *from @@ drivers/gpu/dxgkrnl/dxgvmbus.c:2636:57: sparse: expected void const [noderef] <asn:1> *from drivers/gpu/dxgkrnl/dxgvmbus.c:2636:57: sparse: got unsigned long long * drivers/gpu/dxgkrnl/dxgvmbus.c:2641:33: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] <asn:1> *from @@ got [noderef] <asn:1> *from @@ drivers/gpu/dxgkrnl/dxgvmbus.c:2641:33: sparse: expected void const [noderef] <asn:1> *from drivers/gpu/dxgkrnl/dxgvmbus.c:2641:33: sparse: got unsigned long long * drivers/gpu/dxgkrnl/dxgvmbus.c:2646:33: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] <asn:1> *from @@ got [noderef] <asn:1> *from @@ drivers/gpu/dxgkrnl/dxgvmbus.c:2646:33: sparse: expected void const [noderef] <asn:1> *from drivers/gpu/dxgkrnl/dxgvmbus.c:2646:33: sparse: got unsigned long long * drivers/gpu/dxgkrnl/dxgvmbus.c:2677:41: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] <asn:1> *from @@ got void const [noderef] <asn:1> *from @@ drivers/gpu/dxgkrnl/dxgvmbus.c:2677:41: sparse: expected void const [noderef] <asn:1> *from drivers/gpu/dxgkrnl/dxgvmbus.c:2677:41: sparse: got struct d3dkmt_getdevicestate * drivers/gpu/dxgkrnl/dxgvmbus.c:962:41: sparse: sparse: dereference of noderef expression drivers/gpu/dxgkrnl/dxgvmbus.c:1009:33: sparse: sparse: dereference of noderef expression drivers/gpu/dxgkrnl/dxgvmbus.c:1180:63: sparse: sparse: dereference of noderef expression drivers/gpu/dxgkrnl/dxgvmbus.c:1805:49: sparse: sparse: dereference of noderef expression drivers/gpu/dxgkrnl/dxgvmbus.c:1862:41: sparse: sparse: dereference of noderef expression drivers/gpu/dxgkrnl/dxgvmbus.c:2166:32: sparse: sparse: dereference of noderef expression drivers/gpu/dxgkrnl/dxgvmbus.c:2283:33: sparse: sparse: dereference of noderef expression drivers/gpu/dxgkrnl/dxgvmbus.c:2285:34: sparse: sparse: dereference of noderef expression drivers/gpu/dxgkrnl/dxgvmbus.c:2289:31: sparse: sparse: dereference of noderef expression drivers/gpu/dxgkrnl/dxgvmbus.c:2293:31: sparse: sparse: dereference of noderef expression drivers/gpu/dxgkrnl/dxgvmbus.c:2458:33: sparse: sparse: dereference of noderef expression drivers/gpu/dxgkrnl/dxgvmbus.c:2632:33: sparse: sparse: dereference of noderef expression drivers/gpu/dxgkrnl/dxgvmbus.c:2636:33: sparse: sparse: dereference of noderef expression drivers/gpu/dxgkrnl/dxgvmbus.c:2640:33: sparse: sparse: dereference of noderef expression drivers/gpu/dxgkrnl/dxgvmbus.c:2645:33: sparse: sparse: dereference of noderef expression drivers/gpu/dxgkrnl/dxgvmbus.c:2677:32: sparse: sparse: dereference of noderef expression vim +1632 drivers/gpu/dxgkrnl/dxgvmbus.c 9cc562c3695b5b Sasha Levin 2020-05-19 1594 9cc562c3695b5b Sasha Levin 2020-05-19 1595 int dxgvmb_send_signal_sync_object(struct dxgprocess *process, 9cc562c3695b5b Sasha Levin 2020-05-19 1596 struct dxgvmbuschannel *channel, 9cc562c3695b5b Sasha Levin 2020-05-19 1597 struct d3dddicb_signalflags flags, 9cc562c3695b5b Sasha Levin 2020-05-19 1598 uint64_t legacy_fence_value, 9cc562c3695b5b Sasha Levin 2020-05-19 1599 d3dkmt_handle context, 9cc562c3695b5b Sasha Levin 2020-05-19 1600 uint object_count, 9cc562c3695b5b Sasha Levin 2020-05-19 1601 d3dkmt_handle __user *objects, 9cc562c3695b5b Sasha Levin 2020-05-19 1602 uint context_count, 9cc562c3695b5b Sasha Levin 2020-05-19 1603 d3dkmt_handle __user *contexts, 9cc562c3695b5b Sasha Levin 2020-05-19 1604 uint fence_count, 9cc562c3695b5b Sasha Levin 2020-05-19 1605 uint64_t __user *fences, 9cc562c3695b5b Sasha Levin 2020-05-19 1606 struct eventfd_ctx *cpu_event_handle, 9cc562c3695b5b Sasha Levin 2020-05-19 1607 d3dkmt_handle device) 9cc562c3695b5b Sasha Levin 2020-05-19 1608 { 9cc562c3695b5b Sasha Levin 2020-05-19 1609 int ret = 0; 9cc562c3695b5b Sasha Levin 2020-05-19 1610 struct dxgkvmb_command_signalsyncobject *command = NULL; 9cc562c3695b5b Sasha Levin 2020-05-19 1611 uint object_size = object_count * sizeof(d3dkmt_handle); 9cc562c3695b5b Sasha Levin 2020-05-19 1612 uint context_size = context_count * sizeof(d3dkmt_handle); 9cc562c3695b5b Sasha Levin 2020-05-19 1613 uint fence_size = fences ? fence_count * sizeof(uint64_t) : 0; 9cc562c3695b5b Sasha Levin 2020-05-19 1614 uint8_t *current_pos; 9cc562c3695b5b Sasha Levin 2020-05-19 1615 uint cmd_size = sizeof(struct dxgkvmb_command_signalsyncobject) + 9cc562c3695b5b Sasha Levin 2020-05-19 1616 object_size + context_size + fence_size; 9cc562c3695b5b Sasha Levin 2020-05-19 1617 9cc562c3695b5b Sasha Levin 2020-05-19 1618 if (context) 9cc562c3695b5b Sasha Levin 2020-05-19 1619 cmd_size += sizeof(d3dkmt_handle); 9cc562c3695b5b Sasha Levin 2020-05-19 1620 9cc562c3695b5b Sasha Levin 2020-05-19 1621 command = dxgmem_alloc(process, DXGMEM_VMBUS, cmd_size); 9cc562c3695b5b Sasha Levin 2020-05-19 1622 if (command == NULL) { 9cc562c3695b5b Sasha Levin 2020-05-19 1623 ret = STATUS_NO_MEMORY; 9cc562c3695b5b Sasha Levin 2020-05-19 1624 goto cleanup; 9cc562c3695b5b Sasha Levin 2020-05-19 1625 } 9cc562c3695b5b Sasha Levin 2020-05-19 1626 9cc562c3695b5b Sasha Levin 2020-05-19 1627 command_vgpu_to_host_init2(&command->hdr, 9cc562c3695b5b Sasha Levin 2020-05-19 1628 DXGK_VMBCOMMAND_SIGNALSYNCOBJECT, 9cc562c3695b5b Sasha Levin 2020-05-19 1629 process->host_handle); 9cc562c3695b5b Sasha Levin 2020-05-19 1630 9cc562c3695b5b Sasha Levin 2020-05-19 1631 if (flags.enqueue_cpu_event) 9cc562c3695b5b Sasha Levin 2020-05-19 @1632 command->cpu_event_handle = (winhandle) cpu_event_handle; 9cc562c3695b5b Sasha Levin 2020-05-19 1633 else 9cc562c3695b5b Sasha Levin 2020-05-19 1634 command->device = device; 9cc562c3695b5b Sasha Levin 2020-05-19 1635 command->flags = flags; 9cc562c3695b5b Sasha Levin 2020-05-19 1636 command->fence_value = legacy_fence_value; 9cc562c3695b5b Sasha Levin 2020-05-19 1637 command->object_count = object_count; 9cc562c3695b5b Sasha Levin 2020-05-19 1638 command->context_count = context_count; 9cc562c3695b5b Sasha Levin 2020-05-19 1639 current_pos = (uint8_t *) &command[1]; 9cc562c3695b5b Sasha Levin 2020-05-19 1640 ret = dxg_copy_from_user(current_pos, objects, object_size); 9cc562c3695b5b Sasha Levin 2020-05-19 1641 if (ret) { 9cc562c3695b5b Sasha Levin 2020-05-19 1642 pr_err("Failed to read objects %p %d", 9cc562c3695b5b Sasha Levin 2020-05-19 1643 objects, object_size); 9cc562c3695b5b Sasha Levin 2020-05-19 1644 goto cleanup; 9cc562c3695b5b Sasha Levin 2020-05-19 1645 } 9cc562c3695b5b Sasha Levin 2020-05-19 1646 current_pos += object_size; 9cc562c3695b5b Sasha Levin 2020-05-19 1647 if (context) { 9cc562c3695b5b Sasha Levin 2020-05-19 1648 command->context_count++; 9cc562c3695b5b Sasha Levin 2020-05-19 1649 *(d3dkmt_handle *) current_pos = context; 9cc562c3695b5b Sasha Levin 2020-05-19 1650 current_pos += sizeof(d3dkmt_handle); 9cc562c3695b5b Sasha Levin 2020-05-19 1651 } 9cc562c3695b5b Sasha Levin 2020-05-19 1652 if (context_size) { 9cc562c3695b5b Sasha Levin 2020-05-19 1653 ret = dxg_copy_from_user(current_pos, contexts, context_size); 9cc562c3695b5b Sasha Levin 2020-05-19 1654 if (ret) { 9cc562c3695b5b Sasha Levin 2020-05-19 1655 pr_err("Failed to read contexts %p %d", 9cc562c3695b5b Sasha Levin 2020-05-19 1656 contexts, context_size); 9cc562c3695b5b Sasha Levin 2020-05-19 1657 goto cleanup; 9cc562c3695b5b Sasha Levin 2020-05-19 1658 } 9cc562c3695b5b Sasha Levin 2020-05-19 1659 current_pos += context_size; 9cc562c3695b5b Sasha Levin 2020-05-19 1660 } 9cc562c3695b5b Sasha Levin 2020-05-19 1661 if (fence_size) { 9cc562c3695b5b Sasha Levin 2020-05-19 1662 ret = dxg_copy_from_user(current_pos, fences, fence_size); 9cc562c3695b5b Sasha Levin 2020-05-19 1663 if (ret) { 9cc562c3695b5b Sasha Levin 2020-05-19 1664 pr_err("Failed to read fences %p %d", 9cc562c3695b5b Sasha Levin 2020-05-19 1665 fences, fence_size); 9cc562c3695b5b Sasha Levin 2020-05-19 1666 goto cleanup; 9cc562c3695b5b Sasha Levin 2020-05-19 1667 } 9cc562c3695b5b Sasha Levin 2020-05-19 1668 } 9cc562c3695b5b Sasha Levin 2020-05-19 1669 9cc562c3695b5b Sasha Levin 2020-05-19 1670 ret = dxgvmb_send_sync_msg_ntstatus(channel, command, cmd_size); 9cc562c3695b5b Sasha Levin 2020-05-19 1671 9cc562c3695b5b Sasha Levin 2020-05-19 1672 cleanup: 9cc562c3695b5b Sasha Levin 2020-05-19 1673 if (command) 9cc562c3695b5b Sasha Levin 2020-05-19 1674 dxgmem_free(process, DXGMEM_VMBUS, command); 9cc562c3695b5b Sasha Levin 2020-05-19 1675 TRACE_FUNC_EXIT_ERR(__func__, ret); 9cc562c3695b5b Sasha Levin 2020-05-19 1676 return ret; 9cc562c3695b5b Sasha Levin 2020-05-19 1677 } 9cc562c3695b5b Sasha Levin 2020-05-19 1678 :::::: The code at line 1632 was first introduced by commit :::::: 9cc562c3695b5b44c0c931c76bdc24e8c4f33587 gpu: dxgkrnl: core code :::::: TO: Sasha Levin <sashal(a)kernel.org&gt; :::::: CC: 0day robot <lkp(a)intel.com&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org