1 files changed, 3 insertions, 3 deletions

diff --git a/drivers/infiniband/hw/mlx5/mem.c b/drivers/infiniband/hw/mlx5/mem.c
index 40df2cca0609..996b54e366b0 100644
--- a/drivers/infiniband/hw/mlx5/mem.c
+++ b/drivers/infiniband/hw/mlx5/mem.c
@@ -71,7 +71,7 @@ void mlx5_ib_cont_pages(struct ib_umem *umem, u64 addr, int *count, int *shift,
 
         addr = addr >> page_shift;
         tmp = (unsigned long)addr;
-        m = find_first_bit(&tmp, sizeof(tmp));
+        m = find_first_bit(&tmp, BITS_PER_LONG);
         skip = 1 << m;
         mask = skip - 1;
         i = 0;
@@ -81,7 +81,7 @@ void mlx5_ib_cont_pages(struct ib_umem *umem, u64 addr, int *count, int *shift,
                 for (k = 0; k < len; k++) {
                         if (!(i & mask)) {
                                 tmp = (unsigned long)pfn;
-                                m = min_t(unsigned long, m, find_first_bit(&tmp, sizeof(tmp)));
+                                m = min_t(unsigned long, m, find_first_bit(&tmp, BITS_PER_LONG));
                                 skip = 1 << m;
                                 mask = skip - 1;
                                 base = pfn;
@@ -89,7 +89,7 @@ void mlx5_ib_cont_pages(struct ib_umem *umem, u64 addr, int *count, int *shift,
                         } else {
                                 if (base + p != pfn) {
                                         tmp = (unsigned long)p;
-                                        m = find_first_bit(&tmp, sizeof(tmp));
+                                        m = find_first_bit(&tmp, BITS_PER_LONG);
                                         skip = 1 << m;
                                         mask = skip - 1;
                                         base = pfn;