BUG_ON cleanups in arch/i386

This changes a couple of if() BUG(); constructs to
BUG_ON(); so it can be safely optimized away.

Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de>
Signed-off-by: Adrian Bunk <bunk@stusta.de>

4 files changed, 4 insertions, 8 deletions

diff --git a/arch/i386/kernel/cpu/common.c b/arch/i386/kernel/cpu/common.c
index b2f24d57fddd..d9f3e3c31f05 100644
--- a/arch/i386/kernel/cpu/common.c
+++ b/arch/i386/kernel/cpu/common.c
@@ -669,8 +669,7 @@ old_gdt:
          */
         atomic_inc(&init_mm.mm_count);
         current->active_mm = &init_mm;
-        if (current->mm)
-                BUG();
+        BUG_ON(current->mm);
         enter_lazy_tlb(&init_mm, current);
 
         load_esp0(t, thread);
diff --git a/arch/i386/kernel/efi.c b/arch/i386/kernel/efi.c
index f9436989473c..8b40648d0ef0 100644
--- a/arch/i386/kernel/efi.c
+++ b/arch/i386/kernel/efi.c
@@ -498,8 +498,7 @@ void __init efi_enter_virtual_mode(void)
                 check_range_for_systab(md);
         }
 
-        if (!efi.systab)
-                BUG();
+        BUG_ON(!efi.systab);
 
         status = phys_efi_set_virtual_address_map(
                         memmap.desc_size * memmap.nr_map,
diff --git a/arch/i386/mm/discontig.c b/arch/i386/mm/discontig.c
index 51e3739dd227..455597db84df 100644
--- a/arch/i386/mm/discontig.c
+++ b/arch/i386/mm/discontig.c
@@ -153,8 +153,7 @@ static void __init find_max_pfn_node(int nid)
          */
         if (node_start_pfn[nid] > max_pfn)
                 node_start_pfn[nid] = max_pfn;
-        if (node_start_pfn[nid] > node_end_pfn[nid])
-                BUG();
+        BUG_ON(node_start_pfn[nid] > node_end_pfn[nid]);
 }
 
 /* 
diff --git a/arch/i386/mm/init.c b/arch/i386/mm/init.c
index 90089c14c23d..167416155ee4 100644
--- a/arch/i386/mm/init.c
+++ b/arch/i386/mm/init.c
@@ -569,8 +569,7 @@ void __init mem_init(void)
         int bad_ppro;
 
 #ifdef CONFIG_FLATMEM
-        if (!mem_map)
-                BUG();
+        BUG_ON(!mem_map);
 #endif
         
         bad_ppro = ppro_with_ram_bug();