On Wed, Aug 01, 2012 at 03:40:53PM +0800, Shawn Guo wrote: > On Wed, Aug 01, 2012 at 08:45:19AM +0200, Marek Vasut wrote: > > > I must be missing something. Why do almost all spi drivers call it in the > > > error path, even if there is no call to spi_master_get ? > > > > To push the refcounting to 0, to deallocate the device, I'd say ... > > > It's not going to work if spi_master_put is called without > spi_master_get being called before that. > I'm saying that kref_put on a kref that is never called on by kref_get will not trigger the release.
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