RDMA/umem: Fix signature of stub ib_umem_find_best_pgsz()

The original function returns unsigned long and 0 on failure.

Fixes: 4a35339958f1 ("RDMA/umem: Add API to find best driver supported page size in an MR")
Link: https://lore.kernel.org/r/0-v1-982a13cc5c6d+501ae-fix_best_pgsz_stub_jgg@nvidia.com
Reviewed-by: Gal Pressman <galpress@amazon.com>
Acked-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

diff --git a/include/rdma/ib_umem.h b/include/rdma/ib_umem.h
index 71f573a418bf06ddef0bf5468dc680239c0cf3ff..07a764eb692eede9de8053f63484f4f6b6e3f564 100644 (file)
--- a/include/rdma/ib_umem.h
+++ b/include/rdma/ib_umem.h
@@ -68,10 +68,11 @@ static inline int ib_umem_copy_from(void *dst, struct ib_umem *umem, size_t offs
                                    size_t length) {
        return -EINVAL;
 }
-static inline int ib_umem_find_best_pgsz(struct ib_umem *umem,
-                                        unsigned long pgsz_bitmap,
-                                        unsigned long virt) {
-       return -EINVAL;
+static inline unsigned long ib_umem_find_best_pgsz(struct ib_umem *umem,
+                                                  unsigned long pgsz_bitmap,
+                                                  unsigned long virt)
+{
+       return 0;
 }
 
 #endif /* CONFIG_INFINIBAND_USER_MEM */