Re: [PATCH 06/22] ext4 crypto: add encryption policy checking

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On Mon, Apr 06, 2015 at 03:31:49PM -0600, Andreas Dilger wrote:
> > +/**
> > + * ext4_to_hex() - Converts to hexadecimal characters
> > + * @dst: Buffer to take hex character representation of contents of
> > + *       src. Must be at least of size (src_size * 2).
> > + * @src: Buffer to be converted to a hex string respresentation.
> > + * @src_size: Number of bytes to convert.
> > + */
> > +void ext4_to_hex(char *dst, char *src, size_t src_size)
> > +{
> > +	int x;
> > +
> > +	for (x = 0; x < src_size; x++)
> > +		sprintf(&dst[x * 2], "%.2x", (unsigned char)src[x]);
> > +}
> 
> I think there is already some code in printk() to handle this?  Looking
> at vsnprintf->hex_string() it looks like "%*ph" would print out up to 64
> bytes as hex.

As it turns out we're not even using ext4_to_hex() any more, so we can
even more simply just delete this whole function.  :-)

							- Ted
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