On Thu, Feb 05, 2015 at 03:20:50PM -0500, Sowmini Varadhan wrote:
>
> Commit c310e72c8992 ("rds: switch ->inc_copy_to_user() to passing iov_iter")
> breaks rds_message_copy_from_user() semantics on success, and causes it
> to return nbytes copied, when it should return 0. This commit fixes that bug.
*blink*
Commit 083735f4b0 ("rds: switch rds_message_copy_from_user() to iov_iter"),
surely? That's the one that touches copy-from side of things...
And unlike the previous commit (the one you'd mentioned) here the return value
of copy_page_....() ended up passed to caller of its caller. Mea culpa.
So, modulo correction of the commit message,
Acked-by: Al Viro <[email protected]>
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