missing splx in error path

same change made in the sparc equivalent a while ago

diff --git a/sys/arch/sparc64/dev/z8530kbd.c b/sys/arch/sparc64/dev/z8530kbd.c
index a37bbbe..ca203a6 100644 (file)
--- a/sys/arch/sparc64/dev/z8530kbd.c
+++ b/sys/arch/sparc64/dev/z8530kbd.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: z8530kbd.c,v 1.26 2013/05/10 16:00:08 mikeb Exp $     */
+/*     $OpenBSD: z8530kbd.c,v 1.27 2015/10/28 05:11:55 jsg Exp $       */
 /*     $NetBSD: z8530tty.c,v 1.77 2001/05/30 15:24:24 lukem Exp $      */
 
 /*-
@@ -585,8 +585,10 @@ zsenqueue_tx(v, str, len)
        u_int i;
 
        s = splzs();
-       if (zst->zst_tbc + len > ZSKBD_RING_SIZE)
+       if (zst->zst_tbc + len > ZSKBD_RING_SIZE) {
+               splx(s);
                return (-1);
+       }
        zst->zst_tbc += len;
        for (i = 0; i < len; i++) {
                *zst->zst_tbp = str[i];