[PATCH 5.9 410/757] RDMA/umem: Fix signature of stub ib_umem_find_best_pgsz()

[Greg Kroah-Hartman]

From: Jason Gunthorpe <jgg@xxxxxxxxxx>

[ Upstream commit 61690d01db32eb1f94adc9ac2b8bb741d34e4671 ]

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@xxxxxxxxxx
Reviewed-by: Gal Pressman <galpress@xxxxxxxxxx>
Acked-by: Shiraz Saleem <shiraz.saleem@xxxxxxxxx>
Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 include/rdma/ib_umem.h | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/include/rdma/ib_umem.h b/include/rdma/ib_umem.h
index 71f573a418bf0..07a764eb692ee 100644
--- 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 */
-- 
2.25.1