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-rw-r--r--arch/ia64/kernel/ptrace.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/arch/ia64/kernel/ptrace.c b/arch/ia64/kernel/ptrace.c
index 6f54d51..31aa8c0 100644
--- a/arch/ia64/kernel/ptrace.c
+++ b/arch/ia64/kernel/ptrace.c
@@ -453,7 +453,7 @@ ia64_peek (struct task_struct *child, struct switch_stack *child_stack,
return 0;
}
}
- copied = access_process_vm(child, addr, &ret, sizeof(ret), 0);
+ copied = access_process_vm(child, addr, &ret, sizeof(ret), FOLL_FORCE);
if (copied != sizeof(ret))
return -EIO;
*val = ret;
@@ -489,7 +489,8 @@ ia64_poke (struct task_struct *child, struct switch_stack *child_stack,
*ia64_rse_skip_regs(krbs, regnum) = val;
}
}
- } else if (access_process_vm(child, addr, &val, sizeof(val), 1)
+ } else if (access_process_vm(child, addr, &val, sizeof(val),
+ FOLL_FORCE | FOLL_WRITE)
!= sizeof(val))
return -EIO;
return 0;
@@ -543,7 +544,8 @@ ia64_sync_user_rbs (struct task_struct *child, struct switch_stack *sw,
ret = ia64_peek(child, sw, user_rbs_end, addr, &val);
if (ret < 0)
return ret;
- if (access_process_vm(child, addr, &val, sizeof(val), 1)
+ if (access_process_vm(child, addr, &val, sizeof(val),
+ FOLL_FORCE | FOLL_WRITE)
!= sizeof(val))
return -EIO;
}
@@ -559,7 +561,8 @@ ia64_sync_kernel_rbs (struct task_struct *child, struct switch_stack *sw,
/* now copy word for word from user rbs to kernel rbs: */
for (addr = user_rbs_start; addr < user_rbs_end; addr += 8) {
- if (access_process_vm(child, addr, &val, sizeof(val), 0)
+ if (access_process_vm(child, addr, &val, sizeof(val),
+ FOLL_FORCE)
!= sizeof(val))
return -EIO;
@@ -1156,7 +1159,8 @@ arch_ptrace (struct task_struct *child, long request,
case PTRACE_PEEKTEXT:
case PTRACE_PEEKDATA:
/* read word at location addr */
- if (access_process_vm(child, addr, &data, sizeof(data), 0)
+ if (access_process_vm(child, addr, &data, sizeof(data),
+ FOLL_FORCE)
!= sizeof(data))
return -EIO;
/* ensure return value is not mistaken for error code */
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