Re: [PATCH] net_dma: fix memory leak in dma_pin_iocvec_pages

From: Vinod Koul
Date: Wed Sep 24 2014 - 01:25:07 EST

On Wed, Sep 03, 2014 at 01:28:59PM +0400, Roman Gushchin wrote:
> dma_pin_iovec_pages() calls get_user_pages() for each iovec. If
> get_user_pages() returns a number smaller than the requested number,
> dma_pin_iovec_pages() calls dma_unpin_iovec_pages(). It releases
> previously allocated iovecs, but pages pinned by last get_user_pages()
> call remain unreleased.
> Fix this by calling put_page() for each such page.
Applied, thanks

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