Reorganize function rtl8192_ioctl to replace a switch with only
one case besides the default by an if statement. This also allows
to follow the 80 characters kernel code style rule.

Signed-off-by: Raphaël Beamonte <raphael.beamo...@gmail.com>
---
 drivers/staging/rtl8192u/r8192U_core.c | 141 ++++++++++++++++-----------------
 1 file changed, 68 insertions(+), 73 deletions(-)

diff --git a/drivers/staging/rtl8192u/r8192U_core.c 
b/drivers/staging/rtl8192u/r8192U_core.c
index 189de56..f81f267 100644
--- a/drivers/staging/rtl8192u/r8192U_core.c
+++ b/drivers/staging/rtl8192u/r8192U_core.c
@@ -3801,82 +3801,77 @@ static int rtl8192_ioctl(struct net_device *dev, struct 
ifreq *rq, int cmd)
                goto out;
        }
 
-       switch (cmd) {
-       case RTL_IOCTL_WPA_SUPPLICANT:
-               /* parse here for HW security */
-               if (ipw->cmd == IEEE_CMD_SET_ENCRYPTION) {
-                       if (ipw->u.crypt.set_tx) {
-                               if (strcmp(ipw->u.crypt.alg, "CCMP") == 0) {
-                                       ieee->pairwise_key_type = KEY_TYPE_CCMP;
-                               } else if (strcmp(ipw->u.crypt.alg, "TKIP") == 
0) {
-                                       ieee->pairwise_key_type = KEY_TYPE_TKIP;
-                               } else if (strcmp(ipw->u.crypt.alg, "WEP") == 
0) {
-                                       if (ipw->u.crypt.key_len == 13)
-                                               ieee->pairwise_key_type = 
KEY_TYPE_WEP104;
-                                       else if (ipw->u.crypt.key_len == 5)
-                                               ieee->pairwise_key_type = 
KEY_TYPE_WEP40;
-                               } else {
-                                       ieee->pairwise_key_type = KEY_TYPE_NA;
-                               }
-
-                               if (ieee->pairwise_key_type) {
-                                       memcpy((u8 *)key, ipw->u.crypt.key, 16);
-                                       EnableHWSecurityConfig8192(dev);
-                                       /* We fill both index entry and 4th
-                                        * entry for pairwise key as in IPW
-                                        * interface, adhoc will only get here,
-                                        * so we need index entry for its
-                                        * default key serching!
-                                        */
-                                       setKey(dev, 4, ipw->u.crypt.idx,
-                                              ieee->pairwise_key_type,
-                                              (u8 *)ieee->ap_mac_addr,
-                                              0, key);
-                                       if (ieee->auth_mode != 2)
-                                               setKey(dev, ipw->u.crypt.idx,
-                                                      ipw->u.crypt.idx,
-                                                      ieee->pairwise_key_type,
-                                                      (u8 *)ieee->ap_mac_addr,
-                                                      0, key);
-                               }
-                       } else {
-                               memcpy((u8 *)key, ipw->u.crypt.key, 16);
-                               if (strcmp(ipw->u.crypt.alg, "CCMP") == 0) {
-                                       ieee->group_key_type = KEY_TYPE_CCMP;
-                               } else if (strcmp(ipw->u.crypt.alg, "TKIP") == 
0) {
-                                       ieee->group_key_type = KEY_TYPE_TKIP;
-                               } else if (strcmp(ipw->u.crypt.alg, "WEP") == 
0) {
-                                       if (ipw->u.crypt.key_len == 13)
-                                               ieee->group_key_type = 
KEY_TYPE_WEP104;
-                                       else if (ipw->u.crypt.key_len == 5)
-                                               ieee->group_key_type = 
KEY_TYPE_WEP40;
-                               } else {
-                                       ieee->group_key_type = KEY_TYPE_NA;
-                               }
-
-                               if (ieee->group_key_type) {
-                                       setKey(dev, ipw->u.crypt.idx,
-                                              /* KeyIndex */
-                                              ipw->u.crypt.idx,
-                                              /* KeyType */
-                                              ieee->group_key_type,
-                                              /* MacAddr */
-                                              broadcast_addr,
-                                              /* DefaultKey */
-                                              0,
-                                              /* KeyContent */
-                                              key);
-                               }
-                       }
+       if (cmd != RTL_IOCTL_WPA_SUPPLICANT) {
+               ret = -EOPNOTSUPP;
+               goto kfree;
+       }
+
+       /* parse here for HW security */
+       if (ipw->cmd != IEEE_CMD_SET_ENCRYPTION)
+               goto ret;
+
+       if (ipw->u.crypt.set_tx) {
+               if (strcmp(ipw->u.crypt.alg, "CCMP") == 0) {
+                       ieee->pairwise_key_type = KEY_TYPE_CCMP;
+               } else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0) {
+                       ieee->pairwise_key_type = KEY_TYPE_TKIP;
+               } else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
+                       if (ipw->u.crypt.key_len == 13)
+                               ieee->pairwise_key_type = KEY_TYPE_WEP104;
+                       else if (ipw->u.crypt.key_len == 5)
+                               ieee->pairwise_key_type = KEY_TYPE_WEP40;
+               } else {
+                       ieee->pairwise_key_type = KEY_TYPE_NA;
                }
-               ret = ieee80211_wpa_supplicant_ioctl(priv->ieee80211,
-                                                    &wrq->u.data);
-               break;
 
-       default:
-               ret = -EOPNOTSUPP;
-               break;
+               if (ieee->pairwise_key_type) {
+                       memcpy((u8 *)key, ipw->u.crypt.key, 16);
+                       EnableHWSecurityConfig8192(dev);
+                       /* We fill both index entry and 4th
+                        * entry for pairwise key as in IPW
+                        * interface, adhoc will only get here,
+                        * so we need index entry for its
+                        * default key serching!
+                        */
+                       setKey(dev, 4, ipw->u.crypt.idx,
+                              ieee->pairwise_key_type,
+                              (u8 *)ieee->ap_mac_addr, 0, key);
+                       if (ieee->auth_mode != 2)
+                               setKey(dev, ipw->u.crypt.idx, ipw->u.crypt.idx,
+                                      ieee->pairwise_key_type,
+                                      (u8 *)ieee->ap_mac_addr, 0, key);
+               }
+       } else {
+               memcpy((u8 *)key, ipw->u.crypt.key, 16);
+               if (strcmp(ipw->u.crypt.alg, "CCMP") == 0) {
+                       ieee->group_key_type = KEY_TYPE_CCMP;
+               } else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0) {
+                       ieee->group_key_type = KEY_TYPE_TKIP;
+               } else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
+                       if (ipw->u.crypt.key_len == 13)
+                               ieee->group_key_type = KEY_TYPE_WEP104;
+                       else if (ipw->u.crypt.key_len == 5)
+                               ieee->group_key_type = KEY_TYPE_WEP40;
+               } else {
+                       ieee->group_key_type = KEY_TYPE_NA;
+               }
+
+               if (ieee->group_key_type) {
+                       setKey(dev, ipw->u.crypt.idx,
+                              ipw->u.crypt.idx, /* KeyIndex */
+                              ieee->group_key_type, /* KeyType */
+                              broadcast_addr, /* MacAddr */
+                              0, /* DefaultKey */
+                              key); /* KeyContent */
+
+               }
        }
+
+ret:
+       ret = ieee80211_wpa_supplicant_ioctl(priv->ieee80211,
+                                            &wrq->u.data);
+
+kfree:
        kfree(ipw);
        ipw = NULL;
 out:
-- 
2.5.1

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