1 files changed, 6 insertions, 3 deletions

diff --git a/arch/x86/boot/memory.c b/arch/x86/boot/memory.c
index 378353956b5d..e77d89f9e8aa 100644
--- a/arch/x86/boot/memory.c
+++ b/arch/x86/boot/memory.c
@@ -37,6 +37,12 @@ static int detect_memory_e820(void)
                       "=m" (*desc)
                     : "D" (desc), "d" (SMAP), "a" (0xe820));
 
+                /* BIOSes which terminate the chain with CF = 1 as opposed
+                   to %ebx = 0 don't always report the SMAP signature on
+                   the final, failing, probe. */
+                if (err)
+                        break;
+
                 /* Some BIOSes stop returning SMAP in the middle of
                    the search loop.  We don't know exactly how the BIOS
                    screwed up the map at that point, we might have a
@@ -47,9 +53,6 @@ static int detect_memory_e820(void)
                         break;
                 }
 
-                if (err)
-                        break;
-
                 count++;
                 desc++;
         } while (next && count < E820MAX);