[PATCH 1/1] io_uring/zcrx: increment fallback loop src offset

Don't forget to adjust the source offset in io_copy_page(), otherwise
it'll be copying into the same location in some cases for highmem
setups.

Fixes: e67645bb7f3f4 ("io_uring/zcrx: prepare fallback for larger pages")
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
---
 io_uring/zcrx.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/io_uring/zcrx.c b/io_uring/zcrx.c
index eb023c4bc0ff..0a43acbdef98 100644
--- a/io_uring/zcrx.c
+++ b/io_uring/zcrx.c

@@ -1079,6 +1079,7 @@ static ssize_t io_copy_page(struct io_copy_cache *cc, struct page *src_page,
 
 		cc->size -= n;
 		cc->offset += n;
+		src_offset += n;
 		len -= n;
 		copied += n;
 	}

-- 
2.49.0