Patch "brcmfmac: fix uninitialized warning in brcmf_usb_probe_phase2()" has been added to the 4.9-stable tree

Patch "brcmfmac: fix uninitialized warning in brcmf_usb_probe_phase2()" has been added to the 4.9-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    brcmfmac: fix uninitialized warning in brcmf_usb_probe_phase2()

to the 4.9-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     brcmfmac-fix-uninitialized-warning-in-brcmf_usb_probe_phase2.patch
and it can be found in the queue-4.9 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From 35abcd4f9f303ac4f10f99b3f7e993e5f2e6fa37 Mon Sep 17 00:00:00 2001
From: Arend Van Spriel <arend.vanspriel@broadcom.com>
Date: Fri, 16 Jun 2017 09:36:35 +0100
Subject: brcmfmac: fix uninitialized warning in brcmf_usb_probe_phase2()

From: Arend Van Spriel <arend.vanspriel@broadcom.com>

commit 35abcd4f9f303ac4f10f99b3f7e993e5f2e6fa37 upstream.

This fixes the following warning:

  drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c: In function
  'brcmf_usb_probe_phase2':
  drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c:1198:2:
  warning: 'devinfo' may be used uninitialized in this function
  [-Wmaybe-uninitialized]
    mutex_unlock(&devinfo->dev_init_lock);

Fixes: 6d0507a777fb ("brcmfmac: add parameter to pass error code in firmware callback")
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Reported-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c
@@ -1163,14 +1163,13 @@ static void brcmf_usb_probe_phase2(struc
 				   void *nvram, u32 nvlen)
 {
 	struct brcmf_bus *bus = dev_get_drvdata(dev);
-	struct brcmf_usbdev_info *devinfo;
+	struct brcmf_usbdev_info *devinfo = bus->bus_priv.usb->devinfo;
 
 	if (ret)
 		goto error;
 
 	brcmf_dbg(USB, "Start fw downloading\n");
 
-	devinfo = bus->bus_priv.usb->devinfo;
 	ret = check_file(fw->data);
 	if (ret < 0) {
 		brcmf_err("invalid firmware\n");


Patches currently in stable-queue which might be from arend.vanspriel@broadcom.com are

queue-4.9/brcmfmac-add-parameter-to-pass-error-code-in-firmware-callback.patch
queue-4.9/brcmfmac-use-firmware-callback-upon-failure-to-load.patch
queue-4.9/brcmfmac-fix-uninitialized-warning-in-brcmf_usb_probe_phase2.patch
queue-4.9/brcmfmac-unbind-all-devices-upon-failure-in-firmware-callback.patch