This triggers a -Wdeclaration-after-statement as the code has changed a
bit since upstream. It might be better to hoist the whole block up, but
this is a smaller change so I went with it.
arch/riscv/mm/init.c:755:16: warning: mixing declarations and code is a C99 extension [-Wdeclaration-after-statement]
unsigned long idx = pgd_index(__fix_to_virt(FIX_FDT));
^
1 warning generated.
Fixes: bbf94b042155 ("riscv: Move early dtb mapping into the fixmap region")
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Link: https://lore.kernel.org/oe-kbuild-all/202304300429.SXZOA5up-lkp@xxxxxxxxx/
Signed-off-by: Palmer Dabbelt <palmer@xxxxxxxxxxxx>
Signed-off-by: Alexandre Ghiti <alexghiti@xxxxxxxxxxxx>
---
v2:
- Fix rv64 warning introduced by the v1
- Add Fixes tag
arch/riscv/mm/init.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c
index e800d7981e99..a382623e91cf 100644
--- a/arch/riscv/mm/init.c
+++ b/arch/riscv/mm/init.c
@@ -716,6 +716,7 @@ static void __init setup_vm_final(void)
{
uintptr_t va, map_size;
phys_addr_t pa, start, end;
+ unsigned long idx __maybe_unused;
u64 i;
/**
@@ -735,7 +736,7 @@ static void __init setup_vm_final(void)
* directly in swapper_pg_dir in addition to the pgd entry that points
* to fixmap_pte.
*/
- unsigned long idx = pgd_index(__fix_to_virt(FIX_FDT));
+ idx = pgd_index(__fix_to_virt(FIX_FDT));
set_pgd(&swapper_pg_dir[idx], early_pg_dir[idx]);
#endif
--
2.37.2
