1 files changed, 5 insertions, 3 deletions

diff --git a/arch/x86/platform/uv/bios_uv.c b/arch/x86/platform/uv/bios_uv.c
index 66b2166ea4a1..4e9fd1378aec 100644
--- a/arch/x86/platform/uv/bios_uv.c
+++ b/arch/x86/platform/uv/bios_uv.c
@@ -199,12 +199,14 @@ void uv_bios_init(void)
                 return;
         }
 
+        /* Starting with UV4 the UV systab size is variable */
         if (uv_systab->revision >= UV_SYSTAB_VERSION_UV4) {
+                int size = uv_systab->size;
+
                 iounmap(uv_systab);
-                uv_systab = ioremap(efi.uv_systab, uv_systab->size);
+                uv_systab = ioremap(efi.uv_systab, size);
                 if (!uv_systab) {
-                        pr_err("UV: UVsystab: ioremap(%d) failed!\n",
-                                uv_systab->size);
+                        pr_err("UV: UVsystab: ioremap(%d) failed!\n", size);
                         return;
                 }
         }