Removed the unused variable "rv".
Signed-off-by: Daniel Marjamaki <daniel.marjamaki@comhem.se>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
 {
        char __user *tmp = buf;
        u32 data[4];
-       size_t rv;
        u32 reg = *ppos;
        int cpu = iminor(file->f_dentry->d_inode);
 
        if (count % 16)
                return -EINVAL; /* Invalid chunk size */
 
-       for (rv = 0; count; count -= 16) {
+       for (; count; count -= 16) {
                do_cpuid(cpu, reg, data);
                if (copy_to_user(tmp, &data, 16))
                        return -EFAULT;