[Intel-gfx] ✗ Fi.CI.BAT: failure for drm/i915: Preallocate mmu notifier to unbreak cpu hotplug deadlock

[Patchwork]

== Series Details ==

Series: drm/i915: Preallocate mmu notifier to unbreak cpu hotplug deadlock
URL   : https://patchwork.freedesktop.org/series/31430/
State : failure

== Summary ==

  CHK     include/config/kernel.release
  CHK     include/generated/uapi/linux/version.h
  CHK     include/generated/utsrelease.h
  CHK     include/generated/bounds.h
  CHK     include/generated/timeconst.h
  CHK     include/generated/asm-offsets.h
  CALL    scripts/checksyscalls.sh
  CHK     scripts/mod/devicetable-offsets.h
  CHK     include/generated/compile.h
  CHK     kernel/config_data.h
  CC [M]  drivers/gpu/drm/i915/i915_gem_userptr.o
drivers/gpu/drm/i915/i915_gem_userptr.c: In function ‘i915_mmu_notifier_find’:
drivers/gpu/drm/i915/i915_gem_userptr.c:217:1: error: label ‘err_wq’ defined but not used [-Werror=unused-label]
 err_wq:
 ^~~~~~
drivers/gpu/drm/i915/i915_gem_userptr.c: In function ‘i915_gem_userptr_init__mmu_notifier’:
drivers/gpu/drm/i915/i915_gem_userptr.c:222:23: error: ‘ret’ may be used uninitialized in this function [-Werror=maybe-uninitialized]
  return ret == 0 ? mn : ERR_PTR(ret);
         ~~~~~~~~~~~~~~^~~~~~~~~~~~~~
drivers/gpu/drm/i915/i915_gem_userptr.c:184:6: note: ‘ret’ was declared here
  int ret;
      ^~~
cc1: all warnings being treated as errors
scripts/Makefile.build:313: recipe for target 'drivers/gpu/drm/i915/i915_gem_userptr.o' failed
make[4]: *** [drivers/gpu/drm/i915/i915_gem_userptr.o] Error 1
scripts/Makefile.build:572: recipe for target 'drivers/gpu/drm/i915' failed
make[3]: *** [drivers/gpu/drm/i915] Error 2
scripts/Makefile.build:572: recipe for target 'drivers/gpu/drm' failed
make[2]: *** [drivers/gpu/drm] Error 2
scripts/Makefile.build:572: recipe for target 'drivers/gpu' failed
make[1]: *** [drivers/gpu] Error 2
Makefile:1019: recipe for target 'drivers' failed
make: *** [drivers] Error 2