IB: Fix ib_umem_get() when npages == 0

[karo-tx-linux.git] / drivers / infiniband / core / umem.c

diff --git a/drivers/infiniband/core/umem.c b/drivers/infiniband/core/umem.c
index d40652a801511b597b17de382c243d6d45adc3ef..26d0470eef6ec2c2a3abb706c821cc23437e26c1 100644 (file)
--- a/drivers/infiniband/core/umem.c
+++ b/drivers/infiniband/core/umem.c
@@ -121,6 +121,7 @@ struct ib_umem *ib_umem_get(struct ib_ucontext *context, unsigned long addr,
 
        cur_base = addr & PAGE_MASK;
 
+       ret = 0;
        while (npages) {
                ret = get_user_pages(current, current->mm, cur_base,
                                     min_t(int, npages,