From: Larry Finger
> Sent: 11 February 2017 03:30
> Sparse reports the following:
> CHECK drivers/staging/rtl8712/rtl871x_ioctl_linux.c
> drivers/staging/rtl8712/rtl871x_ioctl_linux.c:1422:46: warning: restricted
> __le16 degrades to integer
> drivers/staging/rtl8712/rtl871x_ioctl_linux.c:1424:46: warning: restricted
> __le16 degrades to integer
>
> Signed-off-by: Larry Finger <larry.fin...@lwfinger.net>
> ---
> drivers/staging/rtl8712/rtl871x_ioctl_linux.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/staging/rtl8712/rtl871x_ioctl_linux.c
> b/drivers/staging/rtl8712/rtl871x_ioctl_linux.c
> index 0dc18d6..f4167f1 100644
> --- a/drivers/staging/rtl8712/rtl871x_ioctl_linux.c
> +++ b/drivers/staging/rtl8712/rtl871x_ioctl_linux.c
> @@ -1419,9 +1419,9 @@ static int r8711_wx_get_rate(struct net_device *dev,
> ht_cap = true;
> pht_capie = (struct ieee80211_ht_cap *)(p + 2);
> memcpy(&mcs_rate, pht_capie->supp_mcs_set, 2);
> - bw_40MHz = (pht_capie->cap_info &
> + bw_40MHz = (le16_to_cpu(pht_capie->cap_info) &
> IEEE80211_HT_CAP_SUP_WIDTH) ? 1 : 0;
> - short_GI = (pht_capie->cap_info &
> + short_GI = (le16_to_cpu(pht_capie->cap_info) &
> (IEEE80211_HT_CAP_SGI_20 |
> IEEE80211_HT_CAP_SGI_40)) ? 1 : 0;
You've added a byteswap on le systems - so the title is wrong.
You need to sort out whether the byteswap is needed or not.
Also it is best to byteswap the constant.
David
