On Sat, Feb 23, 2019 at 01:39:39AM -0500, Bo YU wrote:
> From: Bo Yu <tsu.yubo@xxxxxxxxx>
>
> Compiling the kernel with W=1 results in the following warning:
>
> drivers/staging/ks7010/ks_hostif.c:465:6: warning: variable ‘mib_val_type’
> set but not used [-Wunused-but-set-variable]
> u16 mib_val_type;
>
> drivers/staging/ks7010/ks_hostif.c:464:6: warning: variable ‘mib_val_size’
> set but not used [-Wunused-but-set-variable]
> u16 mib_val_size;
>
> drivers/staging/ks7010/ks_hostif.c:786:6: warning: variable ‘result_code’
> set but not used [-Wunused-but-set-variable]
> u16 result_code;
>
> Remove these variables.
>
> Rebase on next-20190222
>
> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> Cc: Sergio Paracuellos <sergio.paracuellos@xxxxxxxxx>
> Cc: Quytelda Kahja <quytelda@xxxxxxxxxxx>
>
> Signed-off-by: Bo Yu <tsu.yubo@xxxxxxxxx>
> ---
> drivers/staging/ks7010/ks_hostif.c | 6 ------
> 1 file changed, 6 deletions(-)
>
> diff --git a/drivers/staging/ks7010/ks_hostif.c b/drivers/staging/ks7010/ks_hostif.c
> index d938b0997a53..913d8996437a 100644
> --- a/drivers/staging/ks7010/ks_hostif.c
> +++ b/drivers/staging/ks7010/ks_hostif.c
> @@ -461,13 +461,9 @@ void hostif_mib_get_confirm(struct ks_wlan_private *priv)
> struct net_device *dev = priv->net_dev;
> u32 mib_status;
> u32 mib_attribute;
> - u16 mib_val_size;
> - u16 mib_val_type;
>
> mib_status = get_dword(priv);
> mib_attribute = get_dword(priv);
> - mib_val_size = get_word(priv);
> - mib_val_type = get_word(priv);
The function get_word() actually does something to the priv structure,
so you just broke the driver :(
>
> if (mib_status) {
> netdev_err(priv->net_dev, "attribute=%08X, status=%08X\n",
> @@ -783,9 +779,7 @@ void hostif_ps_adhoc_set_confirm(struct ks_wlan_private *priv)
> static
> void hostif_infrastructure_set_confirm(struct ks_wlan_private *priv)
> {
> - u16 result_code;
>
> - result_code = get_word(priv);
> priv->infra_status = 1; /* infrastructure mode set */
> hostif_sme_enqueue(priv, SME_MODE_SET_CONFIRM);
Same here, odds are you just broke things :(
Please be more careful.
greg k-h
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