Re: [PATCH] scsi: fix WARNING in scsi_alloc_sgtables

From: Bart Van Assche
Date: Tue Jul 19 2022 - 14:09:00 EST

On 7/19/22 01:00, Jason Yan wrote:
When iovec_count is non-zero and dxfer_len is zero, the sg_io() just
genarated a null bio, and finally caused a warning below. To fix it,
skip generating a bio for this request if dxfer_len is zero.

Since this patch is a bug fix, I think it needs a Fixes: tag.

Thanks,

Bart.