12 files changed, 20 insertions, 40 deletions

diff --git a/arch/alpha/kernel/Makefile b/arch/alpha/kernel/Makefile
index 9bb7b858ed2..7a6d908bb86 100644
--- a/arch/alpha/kernel/Makefile
+++ b/arch/alpha/kernel/Makefile
@@ -4,7 +4,7 @@
 
 extra-y         := head.o vmlinux.lds
 asflags-y       := $(KBUILD_CFLAGS)
-ccflags-y       := -Werror -Wno-sign-compare
+ccflags-y       := -Wno-sign-compare
 
 obj-y    := entry.o traps.o process.o init_task.o osf_sys.o irq.o \
             irq_alpha.o signal.o setup.o ptrace.o time.o \
diff --git a/arch/alpha/kernel/core_mcpcia.c b/arch/alpha/kernel/core_mcpcia.c
index 381fec0af52..da7bcc372f1 100644
--- a/arch/alpha/kernel/core_mcpcia.c
+++ b/arch/alpha/kernel/core_mcpcia.c
@@ -88,7 +88,7 @@ conf_read(unsigned long addr, unsigned char type1,
 {
         unsigned long flags;
         unsigned long mid = MCPCIA_HOSE2MID(hose->index);
-        unsigned int stat0, value, temp, cpu;
+        unsigned int stat0, value, cpu;
 
         cpu = smp_processor_id();
 
@@ -101,7 +101,7 @@ conf_read(unsigned long addr, unsigned char type1,
         stat0 = *(vuip)MCPCIA_CAP_ERR(mid);
         *(vuip)MCPCIA_CAP_ERR(mid) = stat0;
         mb();
-        temp = *(vuip)MCPCIA_CAP_ERR(mid);
+        *(vuip)MCPCIA_CAP_ERR(mid);
         DBG_CFG(("conf_read: MCPCIA_CAP_ERR(%d) was 0x%x\n", mid, stat0));
 
         mb();
@@ -136,7 +136,7 @@ conf_write(unsigned long addr, unsigned int value, unsigned char type1,
 {
         unsigned long flags;
         unsigned long mid = MCPCIA_HOSE2MID(hose->index);
-        unsigned int stat0, temp, cpu;
+        unsigned int stat0, cpu;
 
         cpu = smp_processor_id();
 
@@ -145,7 +145,7 @@ conf_write(unsigned long addr, unsigned int value, unsigned char type1,
         /* Reset status register to avoid losing errors.  */
         stat0 = *(vuip)MCPCIA_CAP_ERR(mid);
         *(vuip)MCPCIA_CAP_ERR(mid) = stat0; mb();
-        temp = *(vuip)MCPCIA_CAP_ERR(mid);
+        *(vuip)MCPCIA_CAP_ERR(mid);
         DBG_CFG(("conf_write: MCPCIA CAP_ERR(%d) was 0x%x\n", mid, stat0));
 
         draina();
@@ -157,7 +157,7 @@ conf_write(unsigned long addr, unsigned int value, unsigned char type1,
         *((vuip)addr) = value;
         mb();
         mb();  /* magic */
-        temp = *(vuip)MCPCIA_CAP_ERR(mid); /* read to force the write */
+        *(vuip)MCPCIA_CAP_ERR(mid); /* read to force the write */
         mcheck_expected(cpu) = 0;
         mb();
 
@@ -572,12 +572,10 @@ mcpcia_print_system_area(unsigned long la_ptr)
 void
 mcpcia_machine_check(unsigned long vector, unsigned long la_ptr)
 {
-        struct el_common *mchk_header;
         struct el_MCPCIA_uncorrected_frame_mcheck *mchk_logout;
         unsigned int cpu = smp_processor_id();
         int expected;
 
-        mchk_header = (struct el_common *)la_ptr;
         mchk_logout = (struct el_MCPCIA_uncorrected_frame_mcheck *)la_ptr;
         expected = mcheck_expected(cpu);
 
diff --git a/arch/alpha/kernel/err_titan.c b/arch/alpha/kernel/err_titan.c
index c3b3781a03d..14b26c466c8 100644
--- a/arch/alpha/kernel/err_titan.c
+++ b/arch/alpha/kernel/err_titan.c
@@ -533,8 +533,6 @@ static struct el_subpacket_annotation el_titan_annotations[] = {
 static struct el_subpacket *
 el_process_regatta_subpacket(struct el_subpacket *header)
 {
-        int status;
-
         if (header->class != EL_CLASS__REGATTA_FAMILY) {
                 printk("%s  ** Unexpected header CLASS %d TYPE %d, aborting\n",
                        err_print_prefix,
@@ -551,7 +549,7 @@ el_process_regatta_subpacket(struct el_subpacket *header)
                 printk("%s  ** Occurred on CPU %d:\n", 
                        err_print_prefix,
                        (int)header->by_type.regatta_frame.cpuid);
-                status = privateer_process_logout_frame((struct el_common *)
+                privateer_process_logout_frame((struct el_common *)
                         header->by_type.regatta_frame.data_start, 1);
                 break;
         default:
diff --git a/arch/alpha/kernel/irq_alpha.c b/arch/alpha/kernel/irq_alpha.c
index 1479dc6ebd9..51b7fbd9e4c 100644
--- a/arch/alpha/kernel/irq_alpha.c
+++ b/arch/alpha/kernel/irq_alpha.c
@@ -228,7 +228,7 @@ struct irqaction timer_irqaction = {
 void __init
 init_rtc_irq(void)
 {
-        irq_set_chip_and_handler_name(RTC_IRQ, &no_irq_chip,
+        irq_set_chip_and_handler_name(RTC_IRQ, &dummy_irq_chip,
                                       handle_simple_irq, "RTC");
         setup_irq(RTC_IRQ, &timer_irqaction);
 }
diff --git a/arch/alpha/kernel/setup.c b/arch/alpha/kernel/setup.c
index d2634e4476b..edbddcbd5bc 100644
--- a/arch/alpha/kernel/setup.c
+++ b/arch/alpha/kernel/setup.c
@@ -1404,8 +1404,6 @@ determine_cpu_caches (unsigned int cpu_type)
         case PCA56_CPU:
         case PCA57_CPU:
           {
-                unsigned long cbox_config, size;
-
                 if (cpu_type == PCA56_CPU) {
                         L1I = CSHAPE(16*1024, 6, 1);
                         L1D = CSHAPE(8*1024, 5, 1);
@@ -1415,10 +1413,12 @@ determine_cpu_caches (unsigned int cpu_type)
                 }
                 L3 = -1;
 
+#if 0
+                unsigned long cbox_config, size;
+
                 cbox_config = *(vulp) phys_to_virt (0xfffff00008UL);
                 size = 512*1024 * (1 << ((cbox_config >> 12) & 3));
 
-#if 0
                 L2 = ((cbox_config >> 31) & 1 ? CSHAPE (size, 6, 1) : -1);
 #else
                 L2 = external_cache_probe(512*1024, 6);
diff --git a/arch/alpha/kernel/smc37c93x.c b/arch/alpha/kernel/smc37c93x.c
index 3e6a2893af9..6886b834f48 100644
--- a/arch/alpha/kernel/smc37c93x.c
+++ b/arch/alpha/kernel/smc37c93x.c
@@ -79,7 +79,6 @@
 static unsigned long __init SMCConfigState(unsigned long baseAddr)
 {
         unsigned char devId;
-        unsigned char devRev;
 
         unsigned long configPort;
         unsigned long indexPort;
@@ -100,7 +99,7 @@ static unsigned long __init SMCConfigState(unsigned long baseAddr)
                 devId = inb(dataPort);
                 if (devId == VALID_DEVICE_ID) {
                         outb(DEVICE_REV, indexPort);
-                        devRev = inb(dataPort);
+                        /* unsigned char devRev = */ inb(dataPort);
                         break;
                 }
                 else
diff --git a/arch/alpha/kernel/sys_wildfire.c b/arch/alpha/kernel/sys_wildfire.c
index d3cb28bb8eb..d92cdc715c6 100644
--- a/arch/alpha/kernel/sys_wildfire.c
+++ b/arch/alpha/kernel/sys_wildfire.c
@@ -156,7 +156,6 @@ static void __init
 wildfire_init_irq_per_pca(int qbbno, int pcano)
 {
         int i, irq_bias;
-        unsigned long io_bias;
         static struct irqaction isa_enable = {
                 .handler        = no_action,
                 .name           = "isa_enable",
@@ -165,10 +164,12 @@ wildfire_init_irq_per_pca(int qbbno, int pcano)
         irq_bias = qbbno * (WILDFIRE_PCA_PER_QBB * WILDFIRE_IRQ_PER_PCA)
                  + pcano * WILDFIRE_IRQ_PER_PCA;
 
+#if 0
+        unsigned long io_bias;
+
         /* Only need the following for first PCI bus per PCA. */
         io_bias = WILDFIRE_IO(qbbno, pcano<<1) - WILDFIRE_IO_BIAS;
 
-#if 0
         outb(0, DMA1_RESET_REG + io_bias);
         outb(0, DMA2_RESET_REG + io_bias);
         outb(DMA_MODE_CASCADE, DMA2_MODE_REG + io_bias);
diff --git a/arch/alpha/kernel/time.c b/arch/alpha/kernel/time.c
index a58e84f1a63..918e8e0b72f 100644
--- a/arch/alpha/kernel/time.c
+++ b/arch/alpha/kernel/time.c
@@ -153,6 +153,7 @@ void read_persistent_clock(struct timespec *ts)
                 year += 100;
 
         ts->tv_sec = mktime(year, mon, day, hour, min, sec);
+        ts->tv_nsec = 0;
 }
 
 
diff --git a/arch/arm/plat-s5p/pm.c b/arch/arm/plat-s5p/pm.c
index d592b6304b4..d15dc47b0e3 100644
--- a/arch/arm/plat-s5p/pm.c
+++ b/arch/arm/plat-s5p/pm.c
@@ -19,17 +19,6 @@
 
 #define PFX "s5p pm: "
 
-/* s3c_pm_check_resume_pin
- *
- * check to see if the pin is configured correctly for sleep mode, and
- * make any necessary adjustments if it is not
-*/
-
-static void s3c_pm_check_resume_pin(unsigned int pin, unsigned int irqoffs)
-{
-        /* nothing here yet */
-}
-
 /* s3c_pm_configure_extint
  *
  * configure all external interrupt pins
diff --git a/arch/arm/plat-samsung/pm-check.c b/arch/arm/plat-samsung/pm-check.c
index e4baf76f374..6b733fafe7c 100644
--- a/arch/arm/plat-samsung/pm-check.c
+++ b/arch/arm/plat-samsung/pm-check.c
@@ -164,7 +164,6 @@ static inline int in_region(void *ptr, int size, void *what, size_t whatsz)
  */
 static u32 *s3c_pm_runcheck(struct resource *res, u32 *val)
 {
-        void *save_at = phys_to_virt(s3c_sleep_save_phys);
         unsigned long addr;
         unsigned long left;
         void *stkpage;
@@ -192,11 +191,6 @@ static u32 *s3c_pm_runcheck(struct resource *res, u32 *val)
                         goto skip_check;
                 }
 
-                if (in_region(ptr, left, save_at, 32*4 )) {
-                        S3C_PMDBG("skipping %08lx, has save block in\n", addr);
-                        goto skip_check;
-                }
-
                 /* calculate and check the checksum */
 
                 calc = crc32_le(~0, ptr, left);
diff --git a/arch/arm/plat-samsung/pm.c b/arch/arm/plat-samsung/pm.c
index d5b58d31903..5c0a440d6e1 100644
--- a/arch/arm/plat-samsung/pm.c
+++ b/arch/arm/plat-samsung/pm.c
@@ -214,8 +214,9 @@ void s3c_pm_do_restore_core(struct sleep_save *ptr, int count)
  *
  * print any IRQs asserted at resume time (ie, we woke from)
 */
-static void s3c_pm_show_resume_irqs(int start, unsigned long which,
-                                    unsigned long mask)
+static void __maybe_unused s3c_pm_show_resume_irqs(int start,
+                                                   unsigned long which,
+                                                   unsigned long mask)
 {
         int i;
 
diff --git a/fs/filesystems.c b/fs/filesystems.c
index 751d6b255a1..0845f84f2a5 100644
--- a/fs/filesystems.c
+++ b/fs/filesystems.c
@@ -110,14 +110,13 @@ int unregister_filesystem(struct file_system_type * fs)
                         *tmp = fs->next;
                         fs->next = NULL;
                         write_unlock(&file_systems_lock);
+                        synchronize_rcu();
                         return 0;
                 }
                 tmp = &(*tmp)->next;
         }
         write_unlock(&file_systems_lock);
 
-        synchronize_rcu();
-
         return -EINVAL;
 }