4 files changed, 7 insertions, 44 deletions

diff --git a/arch/blackfin/kernel/irqchip.c b/arch/blackfin/kernel/irqchip.c
index db9f9c91f11f..64cff54a8a58 100644
--- a/arch/blackfin/kernel/irqchip.c
+++ b/arch/blackfin/kernel/irqchip.c
@@ -23,7 +23,7 @@ void ack_bad_irq(unsigned int irq)
 
 static struct irq_desc bad_irq_desc = {
 	.handle_irq = handle_bad_irq,
-	.lock = __SPIN_LOCK_UNLOCKED(irq_desc->lock),
+	.lock = __RAW_SPIN_LOCK_UNLOCKED(bad_irq_desc.lock),
 };
 
 #ifdef CONFIG_CPUMASK_OFFSTACK
@@ -39,7 +39,7 @@ int show_interrupts(struct seq_file *p, void *v)
 	unsigned long flags;
 
 	if (i < NR_IRQS) {
-		spin_lock_irqsave(&irq_desc[i].lock, flags);
+		raw_spin_lock_irqsave(&irq_desc[i].lock, flags);
 		action = irq_desc[i].action;
 		if (!action)
 			goto skip;
@@ -53,7 +53,7 @@ int show_interrupts(struct seq_file *p, void *v)
 
 		seq_putc(p, '\n');
  skip:
-		spin_unlock_irqrestore(&irq_desc[i].lock, flags);
+		raw_spin_unlock_irqrestore(&irq_desc[i].lock, flags);
 	} else if (i == NR_IRQS) {
 		seq_printf(p, "NMI: ");
 		for_each_online_cpu(j)
diff --git a/arch/blackfin/kernel/process.c b/arch/blackfin/kernel/process.c
index 5cc7e2e9e415..45876427eb2d 100644
--- a/arch/blackfin/kernel/process.c
+++ b/arch/blackfin/kernel/process.c
@@ -215,22 +215,18 @@ copy_thread(unsigned long clone_flags,
 /*
  * sys_execve() executes a new program.
  */
-
 asmlinkage int sys_execve(char __user *name, char __user * __user *argv, char __user * __user *envp)
 {
 	int error;
 	char *filename;
 	struct pt_regs *regs = (struct pt_regs *)((&name) + 6);
 
-	lock_kernel();
 	filename = getname(name);
 	error = PTR_ERR(filename);
 	if (IS_ERR(filename))
-		goto out;
+		return error;
 	error = do_execve(filename, argv, envp, regs);
 	putname(filename);
- out:
-	unlock_kernel();
 	return error;
 }
 
diff --git a/arch/blackfin/kernel/sys_bfin.c b/arch/blackfin/kernel/sys_bfin.c
index afcef129d4e8..2e7f8e10bf87 100644
--- a/arch/blackfin/kernel/sys_bfin.c
+++ b/arch/blackfin/kernel/sys_bfin.c
@@ -22,39 +22,6 @@
 #include <asm/cacheflush.h>
 #include <asm/dma.h>
 
-/* common code for old and new mmaps */
-static inline long
-do_mmap2(unsigned long addr, unsigned long len,
-	 unsigned long prot, unsigned long flags,
-	 unsigned long fd, unsigned long pgoff)
-{
-	int error = -EBADF;
-	struct file *file = NULL;
-
-	flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
-	if (!(flags & MAP_ANONYMOUS)) {
-		file = fget(fd);
-		if (!file)
-			goto out;
-	}
-
-	down_write(&current->mm->mmap_sem);
-	error = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
-	up_write(&current->mm->mmap_sem);
-
-	if (file)
-		fput(file);
- out:
-	return error;
-}
-
-asmlinkage long sys_mmap2(unsigned long addr, unsigned long len,
-			  unsigned long prot, unsigned long flags,
-			  unsigned long fd, unsigned long pgoff)
-{
-	return do_mmap2(addr, len, prot, flags, fd, pgoff);
-}
-
 asmlinkage void *sys_sram_alloc(size_t size, unsigned long flags)
 {
 	return sram_alloc_with_lsl(size, flags);
diff --git a/arch/blackfin/kernel/traps.c b/arch/blackfin/kernel/traps.c
index 6b7325d634af..9636bace00e8 100644
--- a/arch/blackfin/kernel/traps.c
+++ b/arch/blackfin/kernel/traps.c
@@ -619,7 +619,7 @@ asmlinkage notrace void trap_c(struct pt_regs *fp)
 
 /*
  * Similar to get_user, do some address checking, then dereference
- * Return true on sucess, false on bad address
+ * Return true on success, false on bad address
  */
 static bool get_instruction(unsigned short *val, unsigned short *address)
 {
@@ -1140,7 +1140,7 @@ void show_regs(struct pt_regs *fp)
 	if (fp->ipend & ~0x3F) {
 		for (i = 0; i < (NR_IRQS - 1); i++) {
 			if (!in_atomic)
-				spin_lock_irqsave(&irq_desc[i].lock, flags);
+				raw_spin_lock_irqsave(&irq_desc[i].lock, flags);
 
 			action = irq_desc[i].action;
 			if (!action)
@@ -1155,7 +1155,7 @@ void show_regs(struct pt_regs *fp)
 			verbose_printk("\n");
 unlock:
 			if (!in_atomic)
-				spin_unlock_irqrestore(&irq_desc[i].lock, flags);
+				raw_spin_unlock_irqrestore(&irq_desc[i].lock, flags);
 		}
 	}