1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/uio/uio_pdrv_genirq.c b/drivers/uio/uio_pdrv_genirq.c
index 0f424af7f109..31e799d9efe5 100644
--- a/drivers/uio/uio_pdrv_genirq.c
+++ b/drivers/uio/uio_pdrv_genirq.c
@@ -137,7 +137,7 @@ static int uio_pdrv_genirq_probe(struct platform_device *pdev)
 
                 uiomem->memtype = UIO_MEM_PHYS;
                 uiomem->addr = r->start;
-                uiomem->size = r->end - r->start + 1;
+                uiomem->size = resource_size(r);
                 ++uiomem;
         }