Re: [PATCH] null_blk: fix memory leak on cleanup

[Ross Zwisler]

On Mon, Aug 31, 2015 at 02:17:18PM +0200, Matias Bjørling wrote:
> From: Matias Bjørling <mb@xxxxxxxxxxx>
> 
> Driver was not freeing the memory allocated for internal nullb queues.
> This patch frees the memory during driver unload.

You may want to consider devm_* style allocations instead.  These are freed
automatically on driver unload, simplifying your error paths and your unload
logic as well as preventing leaks.

See this patch for an example:

https://lkml.org/lkml/2015/8/10/992
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