1 files changed, 3 insertions, 3 deletions

diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index d365724feb05..d4565606cc96 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -388,12 +388,12 @@ nocache:
                 addr = ALIGN(first->va_end, align);
                 if (addr < vstart)
                         goto nocache;
-                if (addr + size - 1 < addr)
+                if (addr + size < addr)
                         goto overflow;
 
         } else {
                 addr = ALIGN(vstart, align);
-                if (addr + size - 1 < addr)
+                if (addr + size < addr)
                         goto overflow;
 
                 n = vmap_area_root.rb_node;
@@ -420,7 +420,7 @@ nocache:
                 if (addr + cached_hole_size < first->va_start)
                         cached_hole_size = first->va_start - addr;
                 addr = ALIGN(first->va_end, align);
-                if (addr + size - 1 < addr)
+                if (addr + size < addr)
                         goto overflow;
 
                 if (list_is_last(&first->list, &vmap_area_list))