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PTRACE_PEEKDATA consolidation

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Identical implementations of PTRACE_PEEKDATA go into generic_ptrace_peekdata()
function.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: <linux-arch@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alexey Dobriyan
2007-07-17 04:03:43 -07:00
committed by Linus Torvalds
parent bcdcd8e725
commit 7664732315
21 changed files with 43 additions and 166 deletions
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kernel/ptrace.c
+11
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@@ -490,3 +490,14 @@ asmlinkage long sys_ptrace(long request, long pid, long addr, long data)
return ret;
}
#endif /* __ARCH_SYS_PTRACE */
int generic_ptrace_peekdata(struct task_struct *tsk, long addr, long data)
{
unsigned long tmp;
int copied;
copied = access_process_vm(tsk, addr, &tmp, sizeof(tmp), 0);
if (copied != sizeof(tmp))
return -EIO;
return put_user(tmp, (unsigned long __user *)data);
}