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>d_validate</SPAN
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><H2
>Name</H2
>d_validate -- verify dentry provided from insecure source
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><CODE
><CODE
CLASS="FUNCDEF"
>int <TT
CLASS="FUNCTION"
>d_validate </TT
></CODE
>(struct dentry * <TT
CLASS="PARAMETER"
><I
>dentry</I
></TT
>, struct dentry * <TT
CLASS="PARAMETER"
><I
>dparent</I
></TT
>);</CODE
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>Arguments</H2
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><DL
><DT
><TT
CLASS="PARAMETER"
><I
>dentry</I
></TT
></DT
><DD
><P
> The dentry alleged to be valid child of <TT
CLASS="PARAMETER"
><I
>dparent</I
></TT
>
</P
></DD
><DT
><TT
CLASS="PARAMETER"
><I
>dparent</I
></TT
></DT
><DD
><P
> The parent dentry (known to be valid)
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><H2
>Description</H2
><P
> An insecure source has sent us a dentry, here we verify it and <TT
CLASS="FUNCTION"
>dget</TT
> it.
This is used by ncpfs in its readdir implementation.
Zero is returned in the dentry is invalid.
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