* [asahilinux:asahi-wip 574/1039] drivers/gpu/drm/drm_gpuvm.c:2706 drm_gpuvm_bo_unmap() error: uninitialized symbol 'ret'.
@ 2024-09-27 21:06 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2024-09-27 21:06 UTC (permalink / raw)
To: oe-kbuild; +Cc: lkp, Dan Carpenter
BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
TO: Asahi Lina <lina@asahilina.net>
CC: Janne Grunau <j@jannau.net>
tree: https://github.com/AsahiLinux/linux asahi-wip
head: de1c5a8be0ee99602e472f3ca861cc2d249597da
commit: 3071faed85b4c2fc9d6de681d2059c02d56388ef [574/1039] drm/gpuvm: Add drm_gpuvm_bo_unmap()
:::::: branch date: 3 days ago
:::::: commit date: 12 days ago
config: x86_64-randconfig-161-20240927 (https://download.01.org/0day-ci/archive/20240928/202409280451.cOhPsAHm-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-12) 11.3.0
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>
| Reported-by: Dan Carpenter <error27@gmail.com>
| Closes: https://lore.kernel.org/r/202409280451.cOhPsAHm-lkp@intel.com/
New smatch warnings:
drivers/gpu/drm/drm_gpuvm.c:2706 drm_gpuvm_bo_unmap() error: uninitialized symbol 'ret'.
Old smatch warnings:
drivers/gpu/drm/drm_gpuvm.c:1354 drm_gpuvm_exec_lock_range() error: uninitialized symbol 'ret'.
vim +/ret +2706 drivers/gpu/drm/drm_gpuvm.c
e6303f323b1ad9 drivers/gpu/drm/drm_gpuva_mgr.c Danilo Krummrich 2023-07-20 2666
3071faed85b4c2 drivers/gpu/drm/drm_gpuvm.c Asahi Lina 2024-05-08 2667 /**
3071faed85b4c2 drivers/gpu/drm/drm_gpuvm.c Asahi Lina 2024-05-08 2668 * drm_gpuvm_bo_unmap() - unmaps a GEM
3071faed85b4c2 drivers/gpu/drm/drm_gpuvm.c Asahi Lina 2024-05-08 2669 * @vm_bo: the &drm_gpuvm_bo abstraction
3071faed85b4c2 drivers/gpu/drm/drm_gpuvm.c Asahi Lina 2024-05-08 2670 *
3071faed85b4c2 drivers/gpu/drm/drm_gpuvm.c Asahi Lina 2024-05-08 2671 * This function calls the unmap callback for every GPUVA attached to a GEM.
3071faed85b4c2 drivers/gpu/drm/drm_gpuvm.c Asahi Lina 2024-05-08 2672 *
3071faed85b4c2 drivers/gpu/drm/drm_gpuvm.c Asahi Lina 2024-05-08 2673 * It is the callers responsibility to protect the GEMs GPUVA list against
3071faed85b4c2 drivers/gpu/drm/drm_gpuvm.c Asahi Lina 2024-05-08 2674 * concurrent access using the GEMs dma_resv lock.
3071faed85b4c2 drivers/gpu/drm/drm_gpuvm.c Asahi Lina 2024-05-08 2675 *
3071faed85b4c2 drivers/gpu/drm/drm_gpuvm.c Asahi Lina 2024-05-08 2676 * Returns: a pointer to the &drm_gpuva_ops on success, an ERR_PTR on failure
3071faed85b4c2 drivers/gpu/drm/drm_gpuvm.c Asahi Lina 2024-05-08 2677 */
3071faed85b4c2 drivers/gpu/drm/drm_gpuvm.c Asahi Lina 2024-05-08 2678 int
3071faed85b4c2 drivers/gpu/drm/drm_gpuvm.c Asahi Lina 2024-05-08 2679 drm_gpuvm_bo_unmap(struct drm_gpuvm_bo *vm_bo, void *priv)
3071faed85b4c2 drivers/gpu/drm/drm_gpuvm.c Asahi Lina 2024-05-08 2680 {
3071faed85b4c2 drivers/gpu/drm/drm_gpuvm.c Asahi Lina 2024-05-08 2681 struct drm_gpuva_op *op;
3071faed85b4c2 drivers/gpu/drm/drm_gpuvm.c Asahi Lina 2024-05-08 2682 int ret;
3071faed85b4c2 drivers/gpu/drm/drm_gpuvm.c Asahi Lina 2024-05-08 2683
3071faed85b4c2 drivers/gpu/drm/drm_gpuvm.c Asahi Lina 2024-05-08 2684 if (unlikely(!vm_bo->vm))
3071faed85b4c2 drivers/gpu/drm/drm_gpuvm.c Asahi Lina 2024-05-08 2685 return -EINVAL;
3071faed85b4c2 drivers/gpu/drm/drm_gpuvm.c Asahi Lina 2024-05-08 2686
3071faed85b4c2 drivers/gpu/drm/drm_gpuvm.c Asahi Lina 2024-05-08 2687 const struct drm_gpuvm_ops *vm_ops = vm_bo->vm->ops;
3071faed85b4c2 drivers/gpu/drm/drm_gpuvm.c Asahi Lina 2024-05-08 2688
3071faed85b4c2 drivers/gpu/drm/drm_gpuvm.c Asahi Lina 2024-05-08 2689 if (unlikely(!(vm_ops && vm_ops->sm_step_unmap)))
3071faed85b4c2 drivers/gpu/drm/drm_gpuvm.c Asahi Lina 2024-05-08 2690 return -EINVAL;
3071faed85b4c2 drivers/gpu/drm/drm_gpuvm.c Asahi Lina 2024-05-08 2691
3071faed85b4c2 drivers/gpu/drm/drm_gpuvm.c Asahi Lina 2024-05-08 2692 struct drm_gpuva_ops *ops = drm_gpuvm_bo_unmap_ops_create(vm_bo);
3071faed85b4c2 drivers/gpu/drm/drm_gpuvm.c Asahi Lina 2024-05-08 2693 if (IS_ERR(ops))
3071faed85b4c2 drivers/gpu/drm/drm_gpuvm.c Asahi Lina 2024-05-08 2694 return PTR_ERR(ops);
3071faed85b4c2 drivers/gpu/drm/drm_gpuvm.c Asahi Lina 2024-05-08 2695
3071faed85b4c2 drivers/gpu/drm/drm_gpuvm.c Asahi Lina 2024-05-08 2696 drm_gpuva_for_each_op(op, ops) {
3071faed85b4c2 drivers/gpu/drm/drm_gpuvm.c Asahi Lina 2024-05-08 2697 drm_WARN_ON(vm_bo->vm->drm, op->op != DRM_GPUVA_OP_UNMAP);
3071faed85b4c2 drivers/gpu/drm/drm_gpuvm.c Asahi Lina 2024-05-08 2698
3071faed85b4c2 drivers/gpu/drm/drm_gpuvm.c Asahi Lina 2024-05-08 2699 ret = op_unmap_cb(vm_ops, priv, op->unmap.va, false);
3071faed85b4c2 drivers/gpu/drm/drm_gpuvm.c Asahi Lina 2024-05-08 2700 if (ret)
3071faed85b4c2 drivers/gpu/drm/drm_gpuvm.c Asahi Lina 2024-05-08 2701 goto cleanup;
3071faed85b4c2 drivers/gpu/drm/drm_gpuvm.c Asahi Lina 2024-05-08 2702 }
3071faed85b4c2 drivers/gpu/drm/drm_gpuvm.c Asahi Lina 2024-05-08 2703
3071faed85b4c2 drivers/gpu/drm/drm_gpuvm.c Asahi Lina 2024-05-08 2704 cleanup:
3071faed85b4c2 drivers/gpu/drm/drm_gpuvm.c Asahi Lina 2024-05-08 2705 drm_gpuva_ops_free(vm_bo->vm, ops);
3071faed85b4c2 drivers/gpu/drm/drm_gpuvm.c Asahi Lina 2024-05-08 @2706 return ret;
3071faed85b4c2 drivers/gpu/drm/drm_gpuvm.c Asahi Lina 2024-05-08 2707 }
3071faed85b4c2 drivers/gpu/drm/drm_gpuvm.c Asahi Lina 2024-05-08 2708 EXPORT_SYMBOL_GPL(drm_gpuvm_bo_unmap);
3071faed85b4c2 drivers/gpu/drm/drm_gpuvm.c Asahi Lina 2024-05-08 2709
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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2024-09-27 21:06 [asahilinux:asahi-wip 574/1039] drivers/gpu/drm/drm_gpuvm.c:2706 drm_gpuvm_bo_unmap() error: uninitialized symbol 'ret' kernel test robot
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