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SubjectRe: [PATCH 04/13] [RFC] ipath LLD core, part 1
Roland Dreier <> wrote:
> + if ((ret = copy_from_user(&rpkt, p, sizeof rpkt))) {
> + _IPATH_DBG("Failed to copy in pkt struct (%d)\n", ret);
> + return ret;
> + }

The driver does this quite a lot. copy_from_user() will return the number
of bytes remaining to copy. So I think we'll be wanting `return -EFAULT;'
in lots of places rather than this.
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