[PATCH 0/4] x86/boot/compressed: Enable -Wunused and remove unused variables

[Thorsten Blum]

This series removes unused variables and enables -Wunused, matching the
W=0 kernel defaults. With WERROR=y, the warnings failed as follows:

  arch/x86/boot/compressed/acpi.c:29:6: error: unused variable 'ret'
  arch/x86/boot/compressed/acpi.c:57:15: error: unused variable 'nr_tables'
  arch/x86/boot/compressed/efi.c:64:16: error: unused variable 'et'
  arch/x86/boot/compressed/efi.c:136:6: error: unused variable 'ret'

Patch 2 also drops a redundant efi_get_system_table() call and uses the
existing efi_get_conf_table() error path.

Thorsten Blum (4):
  x86/boot/compressed: Remove unused variables in EFI helpers
  x86/boot/compressed: Clean up EFI RSDP lookup in efi_get_rsdp_addr()
  x86/boot/compressed: Mark process_mem_region() index __maybe_unused
  x86/boot/compressed: Enable -Wunused

 arch/x86/boot/compressed/Makefile |  3 +++
 arch/x86/boot/compressed/acpi.c   | 16 +++-------------
 arch/x86/boot/compressed/efi.c    | 17 +++++------------
 arch/x86/boot/compressed/kaslr.c  |  3 ++-
 4 files changed, 13 insertions(+), 26 deletions(-)


base-commit: 1a3746ccbb0a97bed3c06ccde6b880013b1dddc1