Blackfin: drop ptrace() write support for fixed code/bootrom

These regions are either read-only and won't work anyways (bootrom), or
we don't want people screwing with them because they're shared between
all processes (fixed code).

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

1 files changed, 0 insertions, 13 deletions

diff --git a/arch/blackfin/kernel/ptrace.c b/arch/blackfin/kernel/ptrace.c
index 56b0ba12175f..65567dc4b9f5 100644
--- a/arch/blackfin/kernel/ptrace.c
+++ b/arch/blackfin/kernel/ptrace.c
@@ -316,19 +316,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
                         case BFIN_MEM_ACCESS_CORE_ONLY:
                                 copied = access_process_vm(child, addr, &data,
                                                            to_copy, 1);
-                                if (copied)
-                                        break;
-
-                                /* hrm, why didn't that work ... maybe no mapping */
-                                if (addr >= FIXED_CODE_START &&
-                                    addr + to_copy <= FIXED_CODE_END) {
-                                        copy_to_user_page(0, 0, 0, paddr, &data, to_copy);
-                                        copied = to_copy;
-                                } else if (addr >= BOOT_ROM_START) {
-                                        memcpy(paddr, &data, to_copy);
-                                        copied = to_copy;
-                                }
-
                                 break;
                         case BFIN_MEM_ACCESS_DMA:
                                 if (safe_dma_memcpy(paddr, &data, to_copy))