[PATCH] arch/i386/kernel/msr.c: removed unused variable

Removed the unused variable "rv".
Signed-off-by: NDaniel Marjamaki <daniel.marjamaki@comhem.se>
Signed-off-by: NH. Peter Anvin <hpa@zytor.com>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>

arch/i386/kernel/msr.c

@@ -172,7 +172,6 @@ static ssize_t msr_read(struct file *file, char __user * buf,
 {
 	u32 __user *tmp = (u32 __user *) buf;
 	u32 data[2];
-	size_t rv;
 	u32 reg = *ppos;
 	int cpu = iminor(file->f_dentry->d_inode);
 	int err;
@@ -180,7 +179,7 @@ static ssize_t msr_read(struct file *file, char __user * buf,
 	if (count % 8)
 		return -EINVAL;	/* Invalid chunk size */
 
-	for (rv = 0; count; count -= 8) {
+	for (; count; count -= 8) {
 		err = do_rdmsr(cpu, reg, &data[0], &data[1]);
 		if (err)
 			return err;