[RFC PATCH] device: Add kernel standard devm_k.alloc functions

Joe Perches joe at perches.com
Sun Oct 20 11:22:46 EDT 2013


On Sat, 2013-10-19 at 19:57 -0700, Greg KH wrote:
> On Fri, Oct 18, 2013 at 10:52:46PM -0700, Kevin Hilman wrote:
> > Greg KH <gregkh at linuxfoundation.org> writes:
> > 
> > > On Fri, Oct 18, 2013 at 10:04:11AM -0700, Kevin Hilman wrote:
> > >> > A handful of boot panics on ARM platforms were bisected to point at
> > >> > the version of this commit that's in linux-next (commit
> > >> > 64c862a839a8db2c02bbaa88b923d13e1208919d).  Reverting this commit
> > >> > makes things happy again.
> > >> >
> > >> > Upon further digging, it seems that users of devres_alloc() are
> > >> > relying on the previous behavior of having the memory zero'd which is
> > >> > no longer the case after $SUBJECT patch.  The change below on top of
> > >> > -next makes these ARM boards happy again.
> > >> 
> > >> Oops, it should've fixed __devres_alloc() also.  Updated patch below.
> > >
> > > Can you send this in a format that I can apply it in?  It was whitespace
> > > damaged.
> > 
> > hmm, sorry about that.  This one should work, though I wonder if Andrew
> > should pick this up since I think the patch that causes the breakage
> > came through his tree.
> 
> No, the patch is in my tree, not Andrew's.
> 
> Joe, can I get a signed-off-by for this?

If you want.

Signed-off-by: Joe Perches <joe at perches.com>





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