Since it is legitimate for pin_user_pages returns 0, which
means it might be dead loop here.
Signed-off-by: Guoqing Jiang <guoqing.jiang@xxxxxxxxx>
---
drivers/infiniband/sw/siw/siw_mem.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/infiniband/sw/siw/siw_mem.c b/drivers/infiniband/sw/siw/siw_mem.c
index c5f7f1669d09..92c5776a9eed 100644
--- a/drivers/infiniband/sw/siw/siw_mem.c
+++ b/drivers/infiniband/sw/siw/siw_mem.c
@@ -423,7 +423,7 @@ struct siw_umem *siw_umem_get(u64 start, u64 len, bool writable)
while (nents) {
rv = pin_user_pages(first_page_va, nents, foll_flags,
plist);
- if (rv < 0)
+ if (rv <= 0)
goto out_sem_up;
umem->num_pages += rv;
--
2.35.3
