Re: [PATCH 3/4] drivers/net/can/mscan/mpc5xxx_can.c: Add of_node_putto avoid memory leak

From: Julia Lawall
Date: Tue Aug 31 2010 - 12:55:52 EST


On Tue, 31 Aug 2010, Wolfram Sang wrote:

> On Tue, Aug 31, 2010 at 05:48:57PM +0200, Julia Lawall wrote:
> > Add a call to of_node_put in the error handling code following a call to
> > of_find_matching_node.
> >
> > This patch also moves the existing call to of_node_put after the call to
> > iounmap in the error handling code, to make it possible to jump to
> > of_node_put without doing iounmap. These appear to be disjoint operations,
> > so the ordering doesn't matter.
>
> Hmm, the function you change returns -ENODEV if a clock cannot be found, but
> the return type is u32. This should better be 0. Can you take care of this as
> well?

I'll look at it. I was trying to make the returned value be signed, which
seemed to have some slightly complicated repercussions, but a return value
of 0 may work out much better.

julia
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