From: patrick <patrick@openbsd.org>
Date: Mon, 16 Jul 2018 13:41:19 +0000 (+0000)
Subject: In certain modes SDIO-connected bwfm(4) chips might expect us to read
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=2d669484feff0ccd79aef9b677eb867b57b4df7e;p=openbsd

In certain modes SDIO-connected bwfm(4) chips might expect us to read
another packet (even though nextlen is set to none) to issue more RX
interrupts.
---

diff --git a/sys/dev/sdmmc/if_bwfm_sdio.c b/sys/dev/sdmmc/if_bwfm_sdio.c
index fb902815cf2..ff0026019c4 100644
--- a/sys/dev/sdmmc/if_bwfm_sdio.c
+++ b/sys/dev/sdmmc/if_bwfm_sdio.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: if_bwfm_sdio.c,v 1.20 2018/06/18 15:01:22 kettenis Exp $ */
+/* $OpenBSD: if_bwfm_sdio.c,v 1.21 2018/07/16 13:41:19 patrick Exp $ */
 /*
  * Copyright (c) 2010-2016 Broadcom Corporation
  * Copyright (c) 2016,2017 Patrick Wildt <patrick@blueri.se>
@@ -1156,7 +1156,7 @@ bwfm_sdio_rx_frames(struct bwfm_sdio_softc *sc)
 	swhdr = (struct bwfm_sdio_swhdr *)&hwhdr[1];
 	data = (char *)&swhdr[1];
 
-	do {
+	for (;;) {
 		/* If we know the next size, just read ahead. */
 		if (nextlen) {
 			if (bwfm_sdio_frame_read_write(sc, sc->sc_bounce_buf,
@@ -1249,7 +1249,7 @@ bwfm_sdio_rx_frames(struct bwfm_sdio_softc *sc)
 			printf("%s: unknown channel\n", DEVNAME(sc));
 			break;
 		}
-	} while (nextlen);
+	}
 }
 
 void