diff mbox

[RFC,19/60] hyper_dmabuf: fix the case with sharing a buffer with 2 pages

Message ID 1513711816-2618-19-git-send-email-dongwon.kim@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Kim, Dongwon Dec. 19, 2017, 7:29 p.m. UTC 
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 mbox

Patch

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);
 	}