[Outreachy kernel] [PATCH 2/2] staging: ks7010: Unnecessary parentheses are removed.
Julia Lawall
julia.lawall at lip6.fr
Mon Feb 20 08:48:33 UTC 2017
On Sun, 19 Feb 2017, Arushi Singhal wrote:
>
>
> On Monday, February 20, 2017 at 12:32:22 PM UTC+5:30, Julia Lawall wrote:
>
>
> On Mon, 20 Feb 2017, Arushi Singhal wrote:
>
> > Unnecessary parentheses should be avoided as reported by
> checkpatch.pl.
> > Remove unnecessary parentheses, as reported by checkpatch as
> are nicer
> > to read.For example:-
> > It's often nicer to read if &(foo[0]) is converted to foo
> like:
> > memcpy(&(ap->bssid[0]), &(ap_info->bssid[0]), ETH_ALEN);
> > memcpy(ap->bssid, ap_info->bssid, ETH_ALEN);
>
> The commit message is not well presented. One has the
> impression that all
> of the changes are related to 0 array elements. It would be
> better to
> split the patch into two: one for removing parentheses, and one
> for making
> the &x[0] -> x change. They don't really have anything to do
> with each
> other.
>
> julia
>
>
>
> Hi
> So should I change the commit message to more appropriate one so that it
> better explain the changes?
Yes please. Remember to put v2 in the subject line and to explain the
change you made under the ---
julia
>
>
> >
> > Signed-off-by: Arushi Singhal <arushising... at gmail.com>
> > ---
> > drivers/staging/ks7010/ks_hostif.c | 20
> ++++++++++----------
> > drivers/staging/ks7010/ks_wlan_net.c | 20
> ++++++++++----------
> > 2 files changed, 20 insertions(+), 20 deletions(-)
> >
> > diff --git a/drivers/staging/ks7010/ks_hostif.c
> b/drivers/staging/ks7010/ks_hostif.c
> > index ba283ab741a7..2d5ec57c5cfd 100644
> > --- a/drivers/staging/ks7010/ks_hostif.c
> > +++ b/drivers/staging/ks7010/ks_hostif.c
> > @@ -239,19 +239,19 @@ int get_ap_information(struct
> ks_wlan_private *priv, struct ap_info_t *ap_info,
> > *(bp + 1));
> > ap->ssid.size =
> SSID_MAX_SIZE;
> > }
> > - memcpy(&(ap->ssid.body[0]), bp + 2,
> ap->ssid.size);
> > + memcpy(ap->ssid.body, bp + 2,
> ap->ssid.size);
> > break;
> > case 1: /* rate */
> > case 50: /* ext rate */
> > if ((*(bp + 1) + ap->rate_set.size)
> <=
> > RATE_SET_MAX_SIZE) {
> >- memcpy(&(ap->rate_set.body[ap->rate_set.si
> ze]),
> >+ memcpy(&ap->rate_set.body[ap->rate_set.siz
> e],
> > bp + 2, *(bp + 1));
> > ap->rate_set.size += *(bp +
> 1);
> > } else {
> > DPRINTK(1, "size over :: rate
> size=%d\n",
> > (*(bp + 1) +
> ap->rate_set.size));
> >- memcpy(&(ap->rate_set.body[ap->rate_set.si
> ze]),
> >+ memcpy(&ap->rate_set.body[ap->rate_set.siz
> e],
> > bp + 2,
> > RATE_SET_MAX_SIZE -
> ap->rate_set.size);
> > ap->rate_set.size +=
> > @@ -269,7 +269,7 @@ int get_ap_information(struct
> ks_wlan_private *priv, struct ap_info_t *ap_info,
> > *(bp + 1));
> > ap->rsn_ie.size =
> RSN_IE_BODY_MAX;
> > }
> > - memcpy(&(ap->rsn_ie.body[0]), bp + 2,
> ap->rsn_ie.size);
> > + memcpy(ap->rsn_ie.body, bp + 2,
> ap->rsn_ie.size);
> > break;
> > case 221: /* WPA */
> > if (!memcmp(bp + 2,
> "\x00\x50\xf2\x01", 4)) { /* WPA OUI check */
> > @@ -282,7 +282,7 @@ int get_ap_information(struct
> ks_wlan_private *priv, struct ap_info_t *ap_info,
> > *(bp + 1));
> > ap->wpa_ie.size =
> RSN_IE_BODY_MAX;
> > }
> > - memcpy(&(ap->wpa_ie.body[0]),
> bp + 2,
> > + memcpy(ap->wpa_ie.body, bp +
> 2,
> > ap->wpa_ie.size);
> > }
> > break;
> > @@ -832,8 +832,8 @@ void hostif_scan_indication(struct
> ks_wlan_private *priv)
> > if (priv->scan_ind_count != 0) {
> > for (i = 0; i < priv->aplist.size; i++)
> { /* bssid check */
> > if (!memcmp
> > - (&(ap_info->bssid[0]),
> > - &(priv->aplist.ap[i].bssid[0]),
> ETH_ALEN)) {
> > + (ap_info->bssid,
> > + &priv->aplist.ap[i].bssid[0],
> ETH_ALEN)) {
> > if (ap_info->frame_type ==
> > FRAME_TYPE_PROBE_RESP)
> >
> get_ap_information(priv,
> ap_info,
> > @@ -2652,7 +2652,7 @@ int hostif_init(struct ks_wlan_private
> *priv)
> >
> > priv->aplist.size = 0;
> > for (i = 0; i < LOCAL_APLIST_MAX; i++)
> > - memset(&(priv->aplist.ap[i]), 0,
> sizeof(struct local_ap_t));
> > + memset(&priv->aplist.ap[i], 0, sizeof(struct
> local_ap_t));
> > priv->infra_status = 0;
> > priv->current_rate = 4;
> > priv->connect_status = DISCONNECT_STATUS;
> > @@ -2675,12 +2675,12 @@ int hostif_init(struct ks_wlan_private
> *priv)
> > INIT_WORK(&priv->ks_wlan_wakeup_task,
> ks_wlan_hw_wakeup_task);
> >
> > /* WPA */
> > - memset(&(priv->wpa), 0, sizeof(priv->wpa));
> > + memset(&priv->wpa, 0, sizeof(priv->wpa));
> > priv->wpa.rsn_enabled = 0;
> > priv->wpa.mic_failure.failure = 0;
> > priv->wpa.mic_failure.last_failure_time = 0;
> > priv->wpa.mic_failure.stop = 0;
> > - memset(&(priv->pmklist), 0, sizeof(priv->pmklist));
> > + memset(&priv->pmklist, 0, sizeof(priv->pmklist));
> > INIT_LIST_HEAD(&priv->pmklist.head);
> > for (i = 0; i < PMK_LIST_MAX; i++)
> > INIT_LIST_HEAD(&priv->pmklist.pmk[i].list);
> > diff --git a/drivers/staging/ks7010/ks_wlan_net.c
> b/drivers/staging/ks7010/ks_wlan_net.c
> > index 8c55428b71c7..9f4bd7c3ea12 100644
> > --- a/drivers/staging/ks7010/ks_wlan_net.c
> > +++ b/drivers/staging/ks7010/ks_wlan_net.c
> > @@ -423,7 +423,7 @@ static int ks_wlan_get_wap(struct
> net_device *dev, struct iw_request_info *info,
> >
> > /* for SLEEP MODE */
> > if ((priv->connect_status & CONNECT_STATUS_MASK) ==
> CONNECT_STATUS)
> > - memcpy(awrq->sa_data,
> &(priv->current_ap.bssid[0]), ETH_ALEN);
> > + memcpy(awrq->sa_data, priv->current_ap.bssid,
> ETH_ALEN);
> > else
> > eth_zero_addr(awrq->sa_data);
> >
> > @@ -1364,7 +1364,7 @@ static int ks_wlan_get_aplist(struct
> net_device *dev,
> > return -EPERM;
> > /* for SLEEP MODE */
> > for (i = 0; i < priv->aplist.size; i++) {
> > - memcpy(address[i].sa_data,
> &(priv->aplist.ap[i].bssid[0]),
> > + memcpy(address[i].sa_data,
> &priv->aplist.ap[i].bssid[0],
> > ETH_ALEN);
> > address[i].sa_family = ARPHRD_ETHER;
> > qual[i].level = 256 -
> priv->aplist.ap[i].rssi;
> > @@ -1454,7 +1454,7 @@ static inline char
> *ks_wlan_translate_scan(struct net_device *dev,
> > iwe.u.data.flags = 1;
> > current_ev =
> > iwe_stream_add_point(info, current_ev, end_buf,
> &iwe,
> > - &(ap->ssid.body[0]));
> > + ap->ssid.body);
> >
> > /* Add mode */
> > iwe.cmd = SIOCGIWMODE;
> > @@ -1496,7 +1496,7 @@ static inline char
> *ks_wlan_translate_scan(struct net_device *dev,
> > iwe.u.data.length = 0;
> > current_ev =
> > iwe_stream_add_point(info, current_ev, end_buf,
> &iwe,
> > - &(ap->ssid.body[0]));
> > + ap->ssid.body);
> >
> > /* Rate : stuffing multiple values in a single event
> require a bit
> > * more of magic - Jean II */
> > @@ -1612,7 +1612,7 @@ static int ks_wlan_get_scan(struct
> net_device *dev,
> > current_ev = ks_wlan_translate_scan(dev,
> current_ev,
> > // extra +
> IW_SCAN_MAX_DATA,
> > extra +
> dwrq->length,
> > -
> &(priv->current_ap));
> > +
> &priv->current_ap);
> > }
> > #endif
> > /* Read and parse all entries */
> > @@ -1625,7 +1625,7 @@ static int ks_wlan_get_scan(struct
> net_device *dev,
> > current_ev = ks_wlan_translate_scan(dev,
> info, current_ev,
> > // extra +
> IW_SCAN_MAX_DATA,
> > extra +
> dwrq->length,
> > -
> &(priv->aplist.ap[i]));
> > +
> &priv->aplist.ap[i]);
> > }
> > /* Length of data */
> > dwrq->length = (current_ev - extra);
> > @@ -2080,7 +2080,7 @@ static int ks_wlan_set_pmksa(struct
> net_device *dev,
> > }
> > break;
> > case IW_PMKSA_FLUSH:
> > - memset(&(priv->pmklist), 0,
> sizeof(priv->pmklist));
> > + memset(&priv->pmklist, 0,
> sizeof(priv->pmklist));
> > INIT_LIST_HEAD(&priv->pmklist.head);
> > for (i = 0; i < PMK_LIST_MAX; i++)
> >
> INIT_LIST_HEAD(&priv->pmklist.pmk[i].list);
> > @@ -2178,7 +2178,7 @@ static int
> ks_wlan_get_firmware_version(struct net_device *dev,
> > {
> > struct ks_wlan_private *priv =
> > (struct ks_wlan_private *)netdev_priv(dev);
> > - strcpy(extra, &(priv->firmware_version[0]));
> > + strcpy(extra, priv->firmware_version);
> > dwrq->length = priv->version_size + 1;
> > return 0;
> > }
> > @@ -2433,7 +2433,7 @@ static int ks_wlan_data_read(struct
> net_device *dev,
> > read_length =
> priv->dev_size[priv->dev_count];
> >
> > /* Copy data */
> > - memcpy(extra, &(priv->dev_data[priv->dev_count][0]),
> read_length);
> > + memcpy(extra, &priv->dev_data[priv->dev_count][0],
> read_length);
> >
> > spin_unlock(&priv->dev_read_lock); /* release
> spin lock */
> >
> > @@ -3254,7 +3254,7 @@ static int ks_wlan_netdev_ioctl(struct
> net_device *dev, struct ifreq *rq,
> >
> > switch (cmd) {
> > case SIOCIWFIRSTPRIV + 20: /*
> KS_WLAN_SET_STOP_REQ */
> > - rc = ks_wlan_set_stop_request(dev, NULL,
> &(wrq->u.mode), NULL);
> > + rc = ks_wlan_set_stop_request(dev, NULL,
> &wrq->u.mode, NULL);
> > break;
> > // All other calls are currently unsupported
> > default:
> > --
> > 2.11.0
> >
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