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charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: a790b9e1-3bad-4ee1-ad8f-08d6894307a9 X-MS-Exchange-CrossTenant-originalarrivaltime: 02 Feb 2019 19:17:08.3133 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 3f4057f3-b418-4d4e-ba84-d55b4e897d88 X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR11MB2998 X-OriginatorOrg: microchip.com Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Ajay Singh Refactor scan() cfg80211 callback function and use correct value for valid channel number limit. Signed-off-by: Ajay Singh --- drivers/staging/wilc1000/host_interface.h | 2 +- drivers/staging/wilc1000/wilc_wfi_cfgoperations.c | 55 +++++++++++--------= ---- 2 files changed, 28 insertions(+), 29 deletions(-) diff --git a/drivers/staging/wilc1000/host_interface.h b/drivers/staging/wi= lc1000/host_interface.h index 8fa97a7..0feb63f 100644 --- a/drivers/staging/wilc1000/host_interface.h +++ b/drivers/staging/wilc1000/host_interface.h @@ -18,7 +18,7 @@ enum { }; =20 #define WILC_MAX_NUM_STA 9 -#define MAX_NUM_SCANNED_NETWORKS 100 +#define WILC_MAX_NUM_SCANNED_CH 14 #define WILC_MAX_NUM_PROBED_SSID 10 =20 #define TX_MIC_KEY_LEN 8 diff --git a/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c b/drivers/st= aging/wilc1000/wilc_wfi_cfgoperations.c index faffcc8..08b60ddd 100644 --- a/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c +++ b/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c @@ -266,42 +266,41 @@ static int scan(struct wiphy *wiphy, struct cfg80211_= scan_request *request) struct wilc_vif *vif =3D netdev_priv(priv->dev); u32 i; int ret =3D 0; - u8 scan_ch_list[MAX_NUM_SCANNED_NETWORKS]; + u8 scan_ch_list[WILC_MAX_NUM_SCANNED_CH]; struct wilc_probe_ssid probe_ssid; =20 - priv->scan_req =3D request; + if (request->n_channels > WILC_MAX_NUM_SCANNED_CH) { + netdev_err(priv->dev, "Requested scanned channels over\n"); + return -EINVAL; + } =20 + priv->scan_req =3D request; priv->cfg_scanning =3D true; - if (request->n_channels <=3D MAX_NUM_SCANNED_NETWORKS) { - for (i =3D 0; i < request->n_channels; i++) { - u16 freq =3D request->channels[i]->center_freq; - - scan_ch_list[i] =3D ieee80211_frequency_to_channel(freq); - } + for (i =3D 0; i < request->n_channels; i++) { + u16 freq =3D request->channels[i]->center_freq; =20 - if (request->n_ssids >=3D 1) { - if (wilc_wfi_cfg_alloc_fill_ssid(request, - &probe_ssid)) { - ret =3D -ENOMEM; - goto out; - } + scan_ch_list[i] =3D ieee80211_frequency_to_channel(freq); + } =20 - ret =3D wilc_scan(vif, WILC_FW_USER_SCAN, - WILC_FW_ACTIVE_SCAN, scan_ch_list, - request->n_channels, - (const u8 *)request->ie, - request->ie_len, cfg_scan_result, - (void *)priv, &probe_ssid); - } else { - ret =3D wilc_scan(vif, WILC_FW_USER_SCAN, - WILC_FW_ACTIVE_SCAN, scan_ch_list, - request->n_channels, - (const u8 *)request->ie, - request->ie_len, cfg_scan_result, - (void *)priv, NULL); + if (request->n_ssids >=3D 1) { + if (wilc_wfi_cfg_alloc_fill_ssid(request, &probe_ssid)) { + ret =3D -ENOMEM; + goto out; } + + ret =3D wilc_scan(vif, WILC_FW_USER_SCAN, + WILC_FW_ACTIVE_SCAN, scan_ch_list, + request->n_channels, + (const u8 *)request->ie, + request->ie_len, cfg_scan_result, + (void *)priv, &probe_ssid); } else { - netdev_err(priv->dev, "Requested scanned channels over\n"); + ret =3D wilc_scan(vif, WILC_FW_USER_SCAN, + WILC_FW_ACTIVE_SCAN, scan_ch_list, + request->n_channels, + (const u8 *)request->ie, + request->ie_len, cfg_scan_result, + (void *)priv, NULL); } =20 out: --=20 2.7.4