1 files changed, 1 insertions, 1 deletions

diff --git a/net/9p/trans_common.c b/net/9p/trans_common.c
index d47880e971dd..e883172f9aa2 100644
--- a/net/9p/trans_common.c
+++ b/net/9p/trans_common.c
@@ -66,7 +66,7 @@ p9_payload_gup(struct p9_req_t *req, size_t *pdata_off, int *pdata_len,
         uint32_t pdata_mapped_pages;
         struct trans_rpage_info  *rpinfo;
 
-        *pdata_off = (size_t)req->tc->pubuf & (PAGE_SIZE-1);
+        *pdata_off = (__force size_t)req->tc->pubuf & (PAGE_SIZE-1);
 
         if (*pdata_off)
                 first_page_bytes = min(((size_t)PAGE_SIZE - *pdata_off),