Re: [PATCH v2] crypto: talitos: Remove zero_entry static initializer

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----- Original Message -----
> From: "Herbert Xu" <herbert@xxxxxxxxxxxxxxxxxxx>
> Sent: Monday, August 3, 2015 6:31:20 PM
> 
> On Mon, Aug 03, 2015 at 11:14:37AM -0500, Aaron Sierra wrote:
> > Compiling the talitos driver with my GCC 4.3.1 e500v2 cross-compiler
> > resulted in a failed build due to the anonymous union/structures
> > introduced in this commit:
> > 
> >   crypto: talitos - enhanced talitos_desc struct for SEC1
> > 
> > The build error was:
> > 
> >   drivers/crypto/talitos.h:56: error: unknown field 'len' specified in
> >   initializer
> >   drivers/crypto/talitos.h:56: warning: missing braces around initializer
> >   drivers/crypto/talitos.h:56: warning: (near initialization for
> >   'zero_entry.<anonymous>')
> >   drivers/crypto/talitos.h:57: error: unknown field 'j_extent' specified in
> >   initializer
> >   drivers/crypto/talitos.h:58: error: unknown field 'eptr' specified in
> >   initializer
> >   drivers/crypto/talitos.h:58: warning: excess elements in struct
> >   initializer
> >   drivers/crypto/talitos.h:58: warning: (near initialization for
> >   'zero_entry')
> >   make[2]: *** [drivers/crypto/talitos.o] Error 1
> >   make[1]: *** [drivers/crypto] Error 2
> >   make: *** [drivers] Error 2
> > 
> > This patch eliminates the errors by moving the static constant
> > zero_entry to the talitos_private structure. As a member of that
> > structure, zero_entry gets initialized for free (and compatibly) by
> > the kzalloc() during device probe.
> 
> Why? A static variable is always zeroed.  Please just get rid
> of the initialisation and it will work.

Thanks for elaborating. I'll make the change.

-Aaron
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