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PTRACE_POKEDATA consolidation

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Identical implementations of PTRACE_POKEDATA go into generic_ptrace_pokedata()
function.

AFAICS, fix bug on xtensa where successful PTRACE_POKEDATA will nevertheless
return EPERM.

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 04:03:44 -07:00
committed by Linus Torvalds
parent 7664732315
commit f284ce7269
23 changed files with 32 additions and 98 deletions
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8
kernel/ptrace.c
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@@ -501,3 +501,11 @@ int generic_ptrace_peekdata(struct task_struct *tsk, long addr, long data)
return -EIO;
return put_user(tmp, (unsigned long __user *)data);
}
int generic_ptrace_pokedata(struct task_struct *tsk, long addr, long data)
{
int copied;
copied = access_process_vm(tsk, addr, &data, sizeof(data), 1);
return (copied == sizeof(data)) ? 0 : -EIO;
}