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Subject[PATCH -mm 23/43] powerpc compat_ptrace_request
Date
This removes some duplicated code by calling the new generic
compat_ptrace_request from powerpc's compat_sys_ptrace.

Signed-off-by: Roland McGrath <roland@redhat.com>
---
arch/powerpc/kernel/ptrace32.c | 34 ++--------------------------------
1 files changed, 2 insertions(+), 32 deletions(-)
diff --git a/arch/powerpc/kernel/ptrace32.c b/arch/powerpc/kernel/ptrace32.c
index fea6206..6612304 100644
--- a/arch/powerpc/kernel/ptrace32.c
+++ b/arch/powerpc/kernel/ptrace32.c
@@ -27,6 +27,7 @@
#include <linux/user.h>
#include <linux/security.h>
#include <linux/signal.h>
+#include <linux/compat.h>

#include <asm/uaccess.h>
#include <asm/page.h>
@@ -112,20 +113,6 @@ long compat_sys_ptrace(int request, int pid, unsigned long addr,
goto out_tsk;

switch (request) {
- /* when I and D space are separate, these will need to be fixed. */
- case PTRACE_PEEKTEXT: /* read word at location addr. */
- case PTRACE_PEEKDATA: {
- unsigned int tmp;
- int copied;
-
- copied = access_process_vm(child, addr, &tmp, sizeof(tmp), 0);
- ret = -EIO;
- if (copied != sizeof(tmp))
- break;
- ret = put_user(tmp, (u32 __user *)data);
- break;
- }
-
/*
* Read 4 bytes of the other process' storage
* data is a pointer specifying where the user wants the
@@ -225,19 +212,6 @@ long compat_sys_ptrace(int request, int pid, unsigned long addr,
break;
}

- /* If I and D space are separate, this will have to be fixed. */
- case PTRACE_POKETEXT: /* write the word at location addr. */
- case PTRACE_POKEDATA: {
- unsigned int tmp;
- tmp = data;
- ret = 0;
- if (access_process_vm(child, addr, &tmp, sizeof(tmp), 1)
- == sizeof(tmp))
- break;
- ret = -EIO;
- break;
- }
-
/*
* Write 4 bytes into the other process' storage
* data is the 4 bytes that the user wants written
@@ -337,10 +311,6 @@ long compat_sys_ptrace(int request, int pid, unsigned long addr,
break;
}

- case PTRACE_GETEVENTMSG:
- ret = put_user(child->ptrace_message, (unsigned int __user *) data);
- break;
-
case PTRACE_GETREGS: { /* Get all pt_regs from the child. */
int ui;
if (!access_ok(VERIFY_WRITE, (void __user *)data,
@@ -402,7 +372,7 @@ long compat_sys_ptrace(int request, int pid, unsigned long addr,
break;

default:
- ret = ptrace_request(child, request, addr, data);
+ ret = compat_ptrace_request(child, request, addr, data);
break;
}
out_tsk:
--
1.5.3.6


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