Patch "ath10k: ignore configuring the incorrect board_id" has been added to the 4.4-stable tree

Patch "ath10k: ignore configuring the incorrect board_id" has been added to the 4.4-stable tree

[gregkh]

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

    ath10k: ignore configuring the incorrect board_id

to the 4.4-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:
     ath10k-ignore-configuring-the-incorrect-board_id.patch
and it can be found in the queue-4.4 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 foo@baz Tue Nov 28 10:56:34 CET 2017
From: Ryan Hsu <ryanhsu@qca.qualcomm.com>
Date: Thu, 22 Dec 2016 15:02:37 -0800
Subject: ath10k: ignore configuring the incorrect board_id

From: Ryan Hsu <ryanhsu@qca.qualcomm.com>


[ Upstream commit d2e202c06ca42d353d95df12437740921a6d05b5 ]

With command to get board_id from otp, in the case of following

  boot get otp board id result 0x00000000 board_id 0 chip_id 0
  boot using board name 'bus=pci,bmi-chip-id=0,bmi-board-id=0"
  ...
  failed to fetch board data for bus=pci,bmi-chip-id=0,bmi-board-id=0 from
  ath10k/QCA6174/hw3.0/board-2.bin

The invalid board_id=0 will be used as index to search in the board-2.bin.

Ignore the case with board_id=0, as it means the otp is not carrying
the board id information.

Signed-off-by: Ryan Hsu <ryanhsu@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/net/wireless/ath/ath10k/core.c |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

--- a/drivers/net/wireless/ath/ath10k/core.c
+++ b/drivers/net/wireless/ath/ath10k/core.c
@@ -548,8 +548,11 @@ static int ath10k_core_get_board_id_from
 		   "boot get otp board id result 0x%08x board_id %d chip_id %d\n",
 		   result, board_id, chip_id);
 
-	if ((result & ATH10K_BMI_BOARD_ID_STATUS_MASK) != 0)
+	if ((result & ATH10K_BMI_BOARD_ID_STATUS_MASK) != 0 ||
+	    (board_id == 0)) {
+		ath10k_warn(ar, "board id is not exist in otp, ignore it\n");
 		return -EOPNOTSUPP;
+	}
 
 	ar->id.bmi_ids_valid = true;
 	ar->id.bmi_board_id = board_id;


Patches currently in stable-queue which might be from ryanhsu@qca.qualcomm.com are

queue-4.4/ath10k-fix-incorrect-txpower-set-by-p2p_device-interface.patch
queue-4.4/ath10k-ignore-configuring-the-incorrect-board_id.patch