mwifiex: correct antenna number with high bits reserved

[linux-2.6-block.git] / drivers / net / wireless / marvell / mwifiex / cmdevt.c

diff --git a/drivers/net/wireless/marvell/mwifiex/cmdevt.c b/drivers/net/wireless/marvell/mwifiex/cmdevt.c
index 874660052055cdc6ce3b1704115f90001e7d41c7..7014f440e6f8e86c9d4e26b46edfaff1eee86f82 100644 (file)
--- 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;