1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 7bd7f0d5f050..62ec84b42e31 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -1684,7 +1684,7 @@ u64 scsi_calculate_bounce_limit(struct Scsi_Host *shost)
 
         host_dev = scsi_get_device(shost);
         if (host_dev && host_dev->dma_mask)
-                bounce_limit = dma_max_pfn(host_dev) << PAGE_SHIFT;
+                bounce_limit = (u64)dma_max_pfn(host_dev) << PAGE_SHIFT;
 
         return bounce_limit;
 }