From eaab43e505d01ed19f63e08e52252cbc1c69b9b9 Mon Sep 17 00:00:00 2001 From: Xinming Hu Date: Thu, 8 Mar 2018 13:54:02 +0800 Subject: [PATCH] mwifiex: correct antenna number with high bits reserved High bits of antenna number are reserved in hardware spec, using low 4 bits represent supported antenna. Signed-off-by: Cathy Luo Signed-off-by: Xinming Hu Signed-off-by: Kalle Valo --- drivers/net/wireless/marvell/mwifiex/cmdevt.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/marvell/mwifiex/cmdevt.c b/drivers/net/wireless/marvell/mwifiex/cmdevt.c index 874660052055..7014f440e6f8 100644 --- a/drivers/net/wireless/marvell/mwifiex/cmdevt.c +++ b/drivers/net/wireless/marvell/mwifiex/cmdevt.c @@ -1529,7 +1529,8 @@ int mwifiex_ret_get_hw_spec(struct mwifiex_private *priv, adapter->fw_release_number = le32_to_cpu(hw_spec->fw_release_number); adapter->fw_api_ver = (adapter->fw_release_number >> 16) & 0xff; - adapter->number_of_antenna = le16_to_cpu(hw_spec->number_of_antenna); + adapter->number_of_antenna = + le16_to_cpu(hw_spec->number_of_antenna) & 0xf; if (le32_to_cpu(hw_spec->dot_11ac_dev_cap)) { adapter->is_hw_11ac_capable = true; -- 2.45.2