On Thu, Feb 20, 2014 at 06:25:12PM +0100, Jean-Francois Moine wrote: > Some device nodes stay locked and some other ones are not locked > while being used during the card lifetime. Please pay more attention to describing your patches clearly in changelogs and to splitting them up for review. This is a frequent issue and it does make it much harder to check what's happening. In this case you're not actually working with locking but rather with reference counting and there's no real description of the actual errors either. Saying something like "function X takes a reference which we need to drop" would help a lot, and it would let us think about if it's sensible for the function to return holding the reference in the first place and how long the reference needs to be held for.
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