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PTRACE_PEEKDATA consolidation

Browse source 
Identical implementations of PTRACE_PEEKDATA go into generic_ptrace_peekdata()
function.

Signed-off-by: Alexey Dobriyan <[email protected]>
Cc: Christoph Hellwig <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Alexey Dobriyan 2007-07-17 04:03:43 -07:00 • committed by Linus Torvalds
commit 7664732315
21 changed files with 43 additions and 166 deletions
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11
kernel/ptrace.c
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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);
}