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

Noticed by Eric Brower.

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/sbus/char/cpwatchdog.c b/drivers/sbus/char/cpwatchdog.c
index 071ae24..fd2cc77 100644
--- a/drivers/sbus/char/cpwatchdog.c
+++ b/drivers/sbus/char/cpwatchdog.c
@@ -407,7 +407,7 @@
 	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: