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Re: [dm-devel] [PATCH 2/6] drivers/md: remove null pointer dereference



On Wed, Jul 02, 2008 at 01:51:41PM +0200, Julia Lawall wrote:
> In looking at it a little bit, it seems that ps.type is initialized in the
> function stored in the ctr field of the target_type structure and this
> function is called in the function stored in the message field of the same
> structure.  The function in the message structure seems to be only called
> from the function target_message in dm-ioctl.c, but I don't see the
> relation to an invocation of the ctr field.  Is that guaranteed to be
> invoked earlier?
 
ctr is short for constructor (perhaps we should rename these functions one day)
and it has to run first to set up the data structures which a subsequent
target_message may reference.

Alasdair
-- 
agk redhat com


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