mac80211: brcmfmac: backport early changes queued for the Linux 5.1

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>

1 files changed, 28 insertions, 0 deletions

diff --git a/package/kernel/mac80211/patches/brcm/341-v5.1-brcmfmac-add-a-check-for-the-status-of-usb_register.patch b/package/kernel/mac80211/patches/brcm/341-v5.1-brcmfmac-add-a-check-for-the-status-of-usb_register.patch
new file mode 100644
index 0000000000..3568910678
--- /dev/null
+++ b/package/kernel/mac80211/patches/brcm/341-v5.1-brcmfmac-add-a-check-for-the-status-of-usb_register.patch
@@ -0,0 +1,28 @@
+From 42daad3343be4a4e1ee03e30a5f5cc731dadfef5 Mon Sep 17 00:00:00 2001
+From: Kangjie Lu <kjlu@umn.edu>
+Date: Tue, 25 Dec 2018 19:22:24 -0600
+Subject: [PATCH] brcmfmac: add a check for the status of usb_register
+
+usb_register() may fail, so let's check its status and issue an error
+message if it fails.
+
+Signed-off-by: Kangjie Lu <kjlu@umn.edu>
+Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
+---
+ drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c | 6 +++++-
+ 1 file changed, 5 insertions(+), 1 deletion(-)
+
+--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c
++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c
+@@ -1552,6 +1552,10 @@ void brcmf_usb_exit(void)
+ 
+ void brcmf_usb_register(void)
+ {
++	int ret;
++
+ 	brcmf_dbg(USB, "Enter\n");
+-	usb_register(&brcmf_usbdrvr);
++	ret = usb_register(&brcmf_usbdrvr);
++	if (ret)
++		brcmf_err("usb_register failed %d\n", ret);
+ }