Re: [PATCH 1/2] fs: avoid fdput() after failed fdget() in ksys_sync_file_range()

[Al Viro]

On Thu, May 07, 2020 at 05:57:09PM -0600, Shuah Khan wrote:
> Fix ksys_sync_file_range() to avoid fdput() after a failed fdget().
> fdput() doesn't do fput() on this file since FDPUT_FPUT isn't set
> in fd.flags. Fix it anyway since failed fdget() doesn't require
> a fdput().
> 
> This was introdcued in a commit to add sync_file_range() helper.

Er...  What's the point microoptimizing the slow path here?