Messages in this thread | | | Date | Wed, 21 Nov 2018 14:44:04 -0800 | From | Andrew Morton <> | Subject | Re: [PATCH] mm/gup: finish consolidating error handling |
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On Wed, 21 Nov 2018 00:14:02 -0800 john.hubbard@gmail.com wrote:
> Commit df06b37ffe5a4 ("mm/gup: cache dev_pagemap while pinning pages") > attempted to operate on each page that get_user_pages had retrieved. In > order to do that, it created a common exit point from the routine. > However, one case was missed, which this patch fixes up. > > Also, there was still an unnecessary shadow declaration (with a > different type) of the "ret" variable, which this patch removes. >
What is the bug which this supposedly fixes and what is that bug's user-visible impact?
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