aboutsummaryrefslogtreecommitdiffstats
path: root/package/kernel/mac80211/patches/365-brcmfmac-check-result-of-USB-firmware-request.patch
blob: 9b2880d8fcf7f138a469661a8dbc55e15efe81ad (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
Date: Thu, 7 May 2015 14:13:03 +0200
Subject: [PATCH] brcmfmac: check result of USB firmware request
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

This prevents silence failures with driver waiting (infinitely) for a
callback.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Acked-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
---

--- a/drivers/net/wireless/brcm80211/brcmfmac/usb.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/usb.c
@@ -1270,8 +1270,13 @@ static int brcmf_usb_probe_cb(struct brc
 	bus->chiprev = bus_pub->chiprev;
 
 	/* request firmware here */
-	brcmf_fw_get_firmwares(dev, 0, brcmf_usb_get_fwname(devinfo), NULL,
-			       brcmf_usb_probe_phase2);
+	ret = brcmf_fw_get_firmwares(dev, 0, brcmf_usb_get_fwname(devinfo),
+				     NULL, brcmf_usb_probe_phase2);
+	if (ret) {
+		brcmf_err("firmware request failed: %d\n", ret);
+		goto fail;
+	}
+
 	return 0;
 
 fail: