1 files changed, 3 insertions, 5 deletions

diff --git a/drivers/uio/uio.c b/drivers/uio/uio.c
index 51fe1795d5a8..10a029b24159 100644
--- a/drivers/uio/uio.c
+++ b/drivers/uio/uio.c
@@ -587,14 +587,12 @@ static ssize_t uio_write(struct file *filep, const char __user *buf,
 
 static int uio_find_mem_index(struct vm_area_struct *vma)
 {
-        int mi;
         struct uio_device *idev = vma->vm_private_data;
 
-        for (mi = 0; mi < MAX_UIO_MAPS; mi++) {
-                if (idev->info->mem[mi].size == 0)
+        if (vma->vm_pgoff < MAX_UIO_MAPS) {
+                if (idev->info->mem[vma->vm_pgoff].size == 0)
                         return -1;
-                if (vma->vm_pgoff == mi)
-                        return mi;
+                return (int)vma->vm_pgoff;
         }
         return -1;
 }