[SPARC]: Fix locking thinkos in display7seg and cpwatchdog drivers.

Noticed by Eric Brower.
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/sbus/char/cpwatchdog.c

@@ -407,7 +407,7 @@ static long wd_compat_ioctl(struct file *file, unsigned int cmd,
 	case WIOCGSTAT:
 		lock_kernel();
 		rval = wd_ioctl(file->f_dentry->d_inode, file, cmd, arg);
-		lock_kernel();
+		unlock_kernel();
 		break;
 	/* everything else is handled by the generic compat layer */
 	default:

drivers/sbus/char/display7seg.c

@@ -161,7 +161,7 @@ static long d7s_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 		writeb(regs, d7s_regs);
 		break;
 	};
-	lock_kernel();
+	unlock_kernel();
 
 	return error;
 }