[PATCH] turn many #if $undefined_string into #ifdef $undefined_string

turn many #if $undefined_string into #ifdef $undefined_string to fix some
warnings after -Wno-def was added to global CFLAGS

Signed-off-by: Olaf Hering <olh@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

6 files changed, 14 insertions, 13 deletions

diff --git a/arch/ppc64/kernel/udbg.c b/arch/ppc64/kernel/udbg.c
index d4ccd6f1ef47..c0da45540f0f 100644
--- a/arch/ppc64/kernel/udbg.c
+++ b/arch/ppc64/kernel/udbg.c
@@ -141,7 +141,7 @@ void udbg_init_scc(struct device_node *np)
 
 #endif /* CONFIG_PPC_PMAC */
 
-#if CONFIG_PPC_PMAC
+#ifdef CONFIG_PPC_PMAC
 static void udbg_real_putc(unsigned char c)
 {
         while ((real_readb(sccc) & SCC_TXRDY) == 0)
diff --git a/arch/um/drivers/cow.h b/arch/um/drivers/cow.h
index 4fcbe8b1b77e..4fcf3a8d13f4 100644
--- a/arch/um/drivers/cow.h
+++ b/arch/um/drivers/cow.h
@@ -3,10 +3,10 @@
 
 #include <asm/types.h>
 
-#if __BYTE_ORDER == __BIG_ENDIAN
+#if defined(__BIG_ENDIAN)
 # define ntohll(x) (x)
 # define htonll(x) (x)
-#elif __BYTE_ORDER == __LITTLE_ENDIAN
+#elif defined(__LITTLE_ENDIAN)
 # define ntohll(x)  bswap_64(x)
 # define htonll(x)  bswap_64(x)
 #else
diff --git a/arch/um/kernel/skas/syscall_user.c b/arch/um/kernel/skas/syscall_user.c
index 2828e6e37721..6b0664970147 100644
--- a/arch/um/kernel/skas/syscall_user.c
+++ b/arch/um/kernel/skas/syscall_user.c
@@ -15,7 +15,7 @@
 void handle_syscall(union uml_pt_regs *regs)
 {
         long result;
-#if UML_CONFIG_SYSCALL_DEBUG
+#ifdef UML_CONFIG_SYSCALL_DEBUG
         int index;
 
         index = record_syscall_start(UPT_SYSCALL_NR(regs));
@@ -27,7 +27,7 @@ void handle_syscall(union uml_pt_regs *regs)
         REGS_SET_SYSCALL_RETURN(regs->skas.regs, result);
 
         syscall_trace(regs, 1);
-#if UML_CONFIG_SYSCALL_DEBUG
+#ifdef UML_CONFIG_SYSCALL_DEBUG
         record_syscall_end(index, result);
 #endif
 }
diff --git a/arch/um/os-Linux/elf_aux.c b/arch/um/os-Linux/elf_aux.c
index f0d6060e3e57..5423b1ca17c4 100644
--- a/arch/um/os-Linux/elf_aux.c
+++ b/arch/um/os-Linux/elf_aux.c
@@ -11,6 +11,7 @@
 #include <stddef.h>
 #include "init.h"
 #include "elf_user.h"
+#include <asm/elf.h>
 
 #if ELF_CLASS == ELFCLASS32
 typedef Elf32_auxv_t elf_auxv_t;
diff --git a/arch/x86_64/ia32/ia32_aout.c b/arch/x86_64/ia32/ia32_aout.c
index c12edf5d97f0..3e6780fa0186 100644
--- a/arch/x86_64/ia32/ia32_aout.c
+++ b/arch/x86_64/ia32/ia32_aout.c
@@ -42,7 +42,7 @@ extern int ia32_setup_arg_pages(struct linux_binprm *bprm,
 static int load_aout_binary(struct linux_binprm *, struct pt_regs * regs);
 static int load_aout_library(struct file*);
 
-#if CORE_DUMP
+#ifdef CORE_DUMP
 static int aout_core_dump(long signr, struct pt_regs * regs, struct file *file);
 
 /*
@@ -103,7 +103,7 @@ static struct linux_binfmt aout_format = {
         .module         = THIS_MODULE,
         .load_binary    = load_aout_binary,
         .load_shlib     = load_aout_library,
-#if CORE_DUMP
+#ifdef CORE_DUMP
         .core_dump      = aout_core_dump,
 #endif
         .min_coredump   = PAGE_SIZE
@@ -120,7 +120,7 @@ static void set_brk(unsigned long start, unsigned long end)
         up_write(&current->mm->mmap_sem);
 }
 
-#if CORE_DUMP
+#ifdef CORE_DUMP
 /*
  * These are the only things you should do on a core-file: use only these
  * macros to write out all the necessary info.
diff --git a/arch/x86_64/kernel/smpboot.c b/arch/x86_64/kernel/smpboot.c
index e66edfa1f3b9..e773a794ec45 100644
--- a/arch/x86_64/kernel/smpboot.c
+++ b/arch/x86_64/kernel/smpboot.c
@@ -285,7 +285,7 @@ static __cpuinit void sync_tsc(void)
         int i, done = 0;
         long delta, adj, adjust_latency = 0;
         unsigned long flags, rt, master_time_stamp, bound;
-#if DEBUG_TSC_SYNC
+#ifdef DEBUG_TSC_SYNC
         static struct syncdebug {
                 long rt;        /* roundtrip time */
                 long master;    /* master's timestamp */
@@ -321,7 +321,7 @@ static __cpuinit void sync_tsc(void)
                                 rdtscll(t);
                                 wrmsrl(MSR_IA32_TSC, t + adj);
                         }
-#if DEBUG_TSC_SYNC
+#ifdef DEBUG_TSC_SYNC
                         t[i].rt = rt;
                         t[i].master = master_time_stamp;
                         t[i].diff = delta;
@@ -331,7 +331,7 @@ static __cpuinit void sync_tsc(void)
         }
         spin_unlock_irqrestore(&tsc_sync_lock, flags);
 
-#if DEBUG_TSC_SYNC
+#ifdef DEBUG_TSC_SYNC
         for (i = 0; i < NUM_ROUNDS; ++i)
                 printk("rt=%5ld master=%5ld diff=%5ld adjlat=%5ld\n",
                        t[i].rt, t[i].master, t[i].diff, t[i].lat);
@@ -537,7 +537,7 @@ void __cpuinit start_secondary(void)
 extern volatile unsigned long init_rsp;
 extern void (*initial_code)(void);
 
-#if APIC_DEBUG
+#ifdef APIC_DEBUG
 static void inquire_remote_apic(int apicid)
 {
         unsigned i, regs[] = { APIC_ID >> 4, APIC_LVR >> 4, APIC_SPIV >> 4 };
@@ -841,7 +841,7 @@ do_rest:
                         else
                                 /* trampoline code not run */
                                 printk("Not responding.\n");
-#if APIC_DEBUG
+#ifdef APIC_DEBUG
                         inquire_remote_apic(apicid);
 #endif
                 }