On Mon, Nov 30, 2015 at 4:34 PM, Mike Marciniszyn
<[email protected]> wrote:

Being a non native English speaker I am not fully sure, but "copyin
corrupting" sounds like slang / street talking... proper English
please

> Commit e622f2f4ad21 ("IB: split struct ib_send_wr")
> introduced a regression for HCAs whose user mode post
> sends go through ib_uverbs_post_send().
>
> The code didn't account for the fact that the first sge is
> offset by an operation dependent length.  The allocation did,
> but the pointer to the sge list is computed without that knowledge.
>
> Store the operation dependent length in an automatic and
> compute the sge list copy in destination using that length.

in an automatic what?
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