diff options
| author | Christophe Leroy <christophe.leroy@c-s.fr> | 2018-11-16 17:27:42 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-12-05 15:26:53 +0100 |
| commit | 23f53171bec2190d3bda773b93281531235e83a6 (patch) | |
| tree | 4923ee958a3c17dae2218e76c2d692c99497b09a /arch/powerpc | |
| parent | 14c64742749eb79e5a3465223b485ce6a4523143 (diff) | |
powerpc/book3s/32: fix number of bats in p/v_block_mapped()
[ Upstream commit e93ba1b7eb5b188c749052df7af1c90821c5f320 ]
This patch fixes the loop in p_block_mapped() and v_block_mapped()
to scan the entire bat_addrs[] array.
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/mm/ppc_mmu_32.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/powerpc/mm/ppc_mmu_32.c b/arch/powerpc/mm/ppc_mmu_32.c index 6b2f3e457171..ae0f157d201c 100644 --- a/arch/powerpc/mm/ppc_mmu_32.c +++ b/arch/powerpc/mm/ppc_mmu_32.c @@ -52,7 +52,7 @@ struct batrange { /* stores address ranges mapped by BATs */ phys_addr_t v_mapped_by_bats(unsigned long va) { int b; - for (b = 0; b < 4; ++b) + for (b = 0; b < ARRAY_SIZE(bat_addrs); ++b) if (va >= bat_addrs[b].start && va < bat_addrs[b].limit) return bat_addrs[b].phys + (va - bat_addrs[b].start); return 0; @@ -64,7 +64,7 @@ phys_addr_t v_mapped_by_bats(unsigned long va) unsigned long p_mapped_by_bats(phys_addr_t pa) { int b; - for (b = 0; b < 4; ++b) + for (b = 0; b < ARRAY_SIZE(bat_addrs); ++b) if (pa >= bat_addrs[b].phys && pa < (bat_addrs[b].limit-bat_addrs[b].start) +bat_addrs[b].phys) |