Messages in this thread | | | From | Robert Jarzmik <> | Subject | Re: [PATCH] lib: scatterlist: Fix to support no mapped sg | Date | Fri, 19 Apr 2019 12:43:19 +0200 |
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Zhou Wang <wangzhou1@hisilicon.com> writes:
> In function sg_split, the second sg_calculate_split will return -EINVAL > when in_mapped_nents is 0. > > Indeed there is no need to do second sg_calculate_split and sg_split_mapped > when in_mapped_nents is 0, as in_mapped_nents indicates no mapped entry in > original sgl. > > Signed-off-by: Zhou Wang <wangzhou1@hisilicon.com> That's right. May I know what is the usecase which led you to this fix ?
Acked-by: Robert Jarzmik <robert.jarzmik@free.fr>
-- Robert
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