The code that generates a WLAN capability mask is repeated in five
functions.  This change refactors that code into a new function, which is
called now in each of those functions.

Signed-off-by: Quytelda Kahja <quyte...@tamalin.org>
---
 drivers/staging/ks7010/ks_hostif.c | 88 ++++++++++----------------------------
 1 file changed, 23 insertions(+), 65 deletions(-)

diff --git a/drivers/staging/ks7010/ks_hostif.c 
b/drivers/staging/ks7010/ks_hostif.c
index 59f7c4e422d3..4d11627a3d72 100644
--- a/drivers/staging/ks7010/ks_hostif.c
+++ b/drivers/staging/ks7010/ks_hostif.c
@@ -1381,11 +1381,28 @@ void hostif_start_request(struct ks_wlan_private *priv, 
unsigned char mode)
        priv->scan_ind_count = 0;
 }
 
+static __le16 ks_wlan_cap(struct ks_wlan_private *priv)
+{
+       u16 capability = 0x0000;
+
+       if (priv->reg.preamble == SHORT_PREAMBLE) {
+               capability |= BSS_CAP_SHORT_PREAMBLE;
+       }
+
+       capability &= ~(BSS_CAP_PBCC);  /* pbcc not support */
+
+       if (priv->reg.phy_type != D_11B_ONLY_MODE) {
+               capability |= BSS_CAP_SHORT_SLOT_TIME;
+               capability &= ~(BSS_CAP_DSSS_OFDM);
+       }
+
+       return cpu_to_le16((uint16_t)capability);
+}
+
 static
 void hostif_ps_adhoc_set_request(struct ks_wlan_private *priv)
 {
        struct hostif_ps_adhoc_set_request_t *pp;
-       u16 capability;
 
        DPRINTK(3, "\n");
 
@@ -1398,21 +1415,10 @@ void hostif_ps_adhoc_set_request(struct ks_wlan_private 
*priv)
        pp->scan_type = cpu_to_le16((uint16_t)(priv->reg.scan_type));
        pp->channel = cpu_to_le16((uint16_t)(priv->reg.channel));
        pp->rate_set.size = priv->reg.rate_set.size;
+       pp->capability = ks_wlan_cap(priv);
        memcpy(&pp->rate_set.body[0], &priv->reg.rate_set.body[0],
               priv->reg.rate_set.size);
 
-       capability = 0x0000;
-       if (priv->reg.preamble == SHORT_PREAMBLE) {
-               /* short preamble */
-               capability |= BSS_CAP_SHORT_PREAMBLE;
-       }
-       capability &= ~(BSS_CAP_PBCC);  /* pbcc not support */
-       if (priv->reg.phy_type != D_11B_ONLY_MODE) {
-               capability |= BSS_CAP_SHORT_SLOT_TIME;  /* ShortSlotTime 
support */
-               capability &= ~(BSS_CAP_DSSS_OFDM);     /* DSSS OFDM */
-       }
-       pp->capability = cpu_to_le16((uint16_t)capability);
-
        /* send to device request */
        ps_confirm_wait_inc(priv);
        ks_wlan_hw_tx(priv, pp, hif_align_size(sizeof(*pp)), NULL, NULL);
@@ -1422,7 +1428,6 @@ static
 void hostif_infrastructure_set_request(struct ks_wlan_private *priv)
 {
        struct hostif_infrastructure_set_request_t *pp;
-       u16 capability;
 
        DPRINTK(3, "ssid.size=%d\n", priv->reg.ssid.size);
 
@@ -1439,18 +1444,7 @@ void hostif_infrastructure_set_request(struct 
ks_wlan_private *priv)
               priv->reg.rate_set.size);
        pp->ssid.size = priv->reg.ssid.size;
        memcpy(&pp->ssid.body[0], &priv->reg.ssid.body[0], priv->reg.ssid.size);
-
-       capability = 0x0000;
-       if (priv->reg.preamble == SHORT_PREAMBLE) {
-               /* short preamble */
-               capability |= BSS_CAP_SHORT_PREAMBLE;
-       }
-       capability &= ~(BSS_CAP_PBCC);  /* pbcc not support */
-       if (priv->reg.phy_type != D_11B_ONLY_MODE) {
-               capability |= BSS_CAP_SHORT_SLOT_TIME;  /* ShortSlotTime 
support */
-               capability &= ~(BSS_CAP_DSSS_OFDM);     /* DSSS OFDM not 
support */
-       }
-       pp->capability = cpu_to_le16((uint16_t)capability);
+       pp->capability = ks_wlan_cap(priv);
        pp->beacon_lost_count =
            cpu_to_le16((uint16_t)(priv->reg.beacon_lost_count));
        pp->auth_type = cpu_to_le16((uint16_t)(priv->reg.authenticate_type));
@@ -1483,7 +1477,6 @@ void hostif_infrastructure_set_request(struct 
ks_wlan_private *priv)
 static void hostif_infrastructure_set2_request(struct ks_wlan_private *priv)
 {
        struct hostif_infrastructure_set2_request_t *pp;
-       u16 capability;
 
        DPRINTK(2, "ssid.size=%d\n", priv->reg.ssid.size);
 
@@ -1500,18 +1493,7 @@ static void hostif_infrastructure_set2_request(struct 
ks_wlan_private *priv)
               priv->reg.rate_set.size);
        pp->ssid.size = priv->reg.ssid.size;
        memcpy(&pp->ssid.body[0], &priv->reg.ssid.body[0], priv->reg.ssid.size);
-
-       capability = 0x0000;
-       if (priv->reg.preamble == SHORT_PREAMBLE) {
-               /* short preamble */
-               capability |= BSS_CAP_SHORT_PREAMBLE;
-       }
-       capability &= ~(BSS_CAP_PBCC);  /* pbcc not support */
-       if (priv->reg.phy_type != D_11B_ONLY_MODE) {
-               capability |= BSS_CAP_SHORT_SLOT_TIME;  /* ShortSlotTime 
support */
-               capability &= ~(BSS_CAP_DSSS_OFDM);     /* DSSS OFDM not 
support */
-       }
-       pp->capability = cpu_to_le16((uint16_t)capability);
+       pp->capability = ks_wlan_cap(priv);
        pp->beacon_lost_count =
            cpu_to_le16((uint16_t)(priv->reg.beacon_lost_count));
        pp->auth_type = cpu_to_le16((uint16_t)(priv->reg.authenticate_type));
@@ -1547,7 +1529,6 @@ static
 void hostif_adhoc_set_request(struct ks_wlan_private *priv)
 {
        struct hostif_adhoc_set_request_t *pp;
-       u16 capability;
 
        DPRINTK(3, "\n");
 
@@ -1564,18 +1545,7 @@ void hostif_adhoc_set_request(struct ks_wlan_private 
*priv)
               priv->reg.rate_set.size);
        pp->ssid.size = priv->reg.ssid.size;
        memcpy(&pp->ssid.body[0], &priv->reg.ssid.body[0], priv->reg.ssid.size);
-
-       capability = 0x0000;
-       if (priv->reg.preamble == SHORT_PREAMBLE) {
-               /* short preamble */
-               capability |= BSS_CAP_SHORT_PREAMBLE;
-       }
-       capability &= ~(BSS_CAP_PBCC);  /* pbcc not support */
-       if (priv->reg.phy_type != D_11B_ONLY_MODE) {
-               capability |= BSS_CAP_SHORT_SLOT_TIME;  /* ShortSlotTime 
support */
-               capability &= ~(BSS_CAP_DSSS_OFDM);     /* DSSS OFDM not 
support */
-       }
-       pp->capability = cpu_to_le16((uint16_t)capability);
+       pp->capability = ks_wlan_cap(priv);
 
        /* send to device request */
        ps_confirm_wait_inc(priv);
@@ -1586,7 +1556,6 @@ static
 void hostif_adhoc_set2_request(struct ks_wlan_private *priv)
 {
        struct hostif_adhoc_set2_request_t *pp;
-       u16 capability;
 
        DPRINTK(3, "\n");
 
@@ -1602,18 +1571,7 @@ void hostif_adhoc_set2_request(struct ks_wlan_private 
*priv)
               priv->reg.rate_set.size);
        pp->ssid.size = priv->reg.ssid.size;
        memcpy(&pp->ssid.body[0], &priv->reg.ssid.body[0], priv->reg.ssid.size);
-
-       capability = 0x0000;
-       if (priv->reg.preamble == SHORT_PREAMBLE) {
-               /* short preamble */
-               capability |= BSS_CAP_SHORT_PREAMBLE;
-       }
-       capability &= ~(BSS_CAP_PBCC);  /* pbcc not support */
-       if (priv->reg.phy_type != D_11B_ONLY_MODE) {
-               capability |= BSS_CAP_SHORT_SLOT_TIME;  /* ShortSlotTime 
support */
-               capability &= ~(BSS_CAP_DSSS_OFDM);     /* DSSS OFDM not 
support */
-       }
-       pp->capability = cpu_to_le16((uint16_t)capability);
+       pp->capability = ks_wlan_cap(priv);
 
        pp->channel_list.body[0] = priv->reg.channel;
        pp->channel_list.size = 1;
-- 
2.16.2

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