From: Mateusz Polrola mateuszx.potrola@intel.com
Checking whether buffer has more than two pages should be done by evaluating nents > 1 instead of i > 1 to properly cover the case when nents == 2.
Signed-off-by: Dongwon Kim dongwon.kim@intel.com --- drivers/xen/hyper_dmabuf/hyper_dmabuf_imp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/xen/hyper_dmabuf/hyper_dmabuf_imp.c b/drivers/xen/hyper_dmabuf/hyper_dmabuf_imp.c index b61d29a..9b05063 100644 --- a/drivers/xen/hyper_dmabuf/hyper_dmabuf_imp.c +++ b/drivers/xen/hyper_dmabuf/hyper_dmabuf_imp.c @@ -129,7 +129,7 @@ struct sg_table* hyper_dmabuf_create_sgt(struct page **pages, sg_set_page(sgl, pages[i], PAGE_SIZE, 0); }
- if (i > 1) /* more than one page */ { + if (nents > 1) /* more than one page */ { sgl = sg_next(sgl); sg_set_page(sgl, pages[i], last_len, 0); }