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Groups > linux.kernel > #1228915

[PATCHv3 13/15] staging: rtl8192u: r8192U_core: rtl8192_ioctl: reorganize function

From Raphaël Beamonte <raphael.beamonte@gmail.com>
Newsgroups linux.kernel
Subject [PATCHv3 13/15] staging: rtl8192u: r8192U_core: rtl8192_ioctl: reorganize function
Date 2015-09-20 19:20 +0200
Message-ID <qaQro-6fo-27@gated-at.bofh.it> (permalink)
References <qaQrn-6fo-9@gated-at.bofh.it>
Organization linux.* mail to news gateway

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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.beamonte@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 7dc1b34..171a494 100644
--- a/drivers/staging/rtl8192u/r8192U_core.c
+++ b/drivers/staging/rtl8192u/r8192U_core.c
@@ -3751,82 +3751,77 @@ 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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Thread

[PATCHv2 00/16] staging: rtl8192u: code clean up Raphaël Beamonte <raphael.beamonte@gmail.com> - 2015-09-11 09:40 +0200
  [PATCHv2 01/16] staging: rtl8192u: r8192U_core: fix comments lines over 80 characters Raphaël Beamonte <raphael.beamonte@gmail.com> - 2015-09-11 09:40 +0200
  [PATCHv2 10/16] staging: rtl8192u: r8192U_core: rtl8192_process_phyinfo: remove unneeded variable Raphaël Beamonte <raphael.beamonte@gmail.com> - 2015-09-11 09:40 +0200
  [PATCHv2 11/16] staging: rtl8192u: r8192U_core: rtl8192_process_phyinfo: rename variable rfpath to rfp Raphaël Beamonte <raphael.beamonte@gmail.com> - 2015-09-11 09:40 +0200
  [PATCHv2 15/16] staging: rtl8192u: r8192U_core: replace else { if() {} } by else if () {} Raphaël Beamonte <raphael.beamonte@gmail.com> - 2015-09-11 09:40 +0200
  [PATCHv2 07/16] staging: rtl8192u: r8192U_core: rtl8192_process_phyinfo: rename variable pprevious_stats to prev_stats Raphaël Beamonte <raphael.beamonte@gmail.com> - 2015-09-11 09:40 +0200
  [PATCHv2 06/16] staging: rtl8192u: r8192U_core: rtl8192_read_eeprom_info: reorganize function Raphaël Beamonte <raphael.beamonte@gmail.com> - 2015-09-11 09:40 +0200
  [PATCHv2 13/16] staging: rtl8192u: r8192U_core: rtl8192_tx: replace some inline conditions Raphaël Beamonte <raphael.beamonte@gmail.com> - 2015-09-11 09:40 +0200
  [PATCHv2 03/16] staging: rtl8192u: r8192U_core: add temporary variables to keep lines under 80 characters Raphaël Beamonte <raphael.beamonte@gmail.com> - 2015-09-11 09:40 +0200
    Re: [PATCHv2 03/16] staging: rtl8192u: r8192U_core: add temporary  variables to keep lines under 80 characters Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-09-17 07:00 +0200
      Re: [PATCHv2 03/16] staging: rtl8192u: r8192U_core: add temporary  variables to keep lines under 80 characters Raphaël Beamonte <raphael.beamonte@gmail.com> - 2015-09-17 07:10 +0200
        Re: [PATCHv2 03/16] staging: rtl8192u: r8192U_core: add temporary  variables to keep lines under 80 characters Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-09-17 07:20 +0200
          Re: [PATCHv2 03/16] staging: rtl8192u: r8192U_core: add temporary  variables to keep lines under 80 characters Raphaël Beamonte <raphael.beamonte@gmail.com> - 2015-09-17 20:30 +0200
  [PATCHv2 12/16] staging: rtl8192u: r8192U_core: rtl8192_process_phyinfo: reorganize function Raphaël Beamonte <raphael.beamonte@gmail.com> - 2015-09-11 09:40 +0200
  [PATCHv2 08/16] staging: rtl8192u: r8192U_core: rtl8192_process_phyinfo: rename variable slide_beacon_adc_pwdb_index to sb_index Raphaël Beamonte <raphael.beamonte@gmail.com> - 2015-09-11 09:40 +0200
  [PATCHv2 05/16] staging: rtl8192u: r8192U_core: rtl8192_adapter_start: reorganize function Raphaël Beamonte <raphael.beamonte@gmail.com> - 2015-09-11 09:40 +0200
  [PATCHv2 04/16] staging: rtl8192u: r8192U_core: reverse conditions to get lines under 80 characters Raphaël Beamonte <raphael.beamonte@gmail.com> - 2015-09-11 09:40 +0200
  Re: [PATCHv2 02/16] staging: rtl8192u: r8192U_core: add line breaks  to keep lines under 80 characters Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-09-17 07:00 +0200
  [PATCHv3 00/15] staging: rtl8192u: code clean up Raphaël Beamonte <raphael.beamonte@gmail.com> - 2015-09-20 19:20 +0200
    [PATCHv3 11/15] staging: rtl8192u: r8192U_core: rtl8192_process_phyinfo: reorganize function Raphaël Beamonte <raphael.beamonte@gmail.com> - 2015-09-20 19:20 +0200
    [PATCHv3 06/15] staging: rtl8192u: r8192U_core: rtl8192_process_phyinfo: rename variable pprevious_stats to prev_stats Raphaël Beamonte <raphael.beamonte@gmail.com> - 2015-09-20 19:20 +0200
    [PATCHv3 04/15] staging: rtl8192u: r8192U_core: rtl8192_adapter_start: reorganize function Raphaël Beamonte <raphael.beamonte@gmail.com> - 2015-09-20 19:20 +0200
    [PATCHv3 13/15] staging: rtl8192u: r8192U_core: rtl8192_ioctl: reorganize function Raphaël Beamonte <raphael.beamonte@gmail.com> - 2015-09-20 19:20 +0200
    [PATCHv3 05/15] staging: rtl8192u: r8192U_core: rtl8192_read_eeprom_info: reorganize function Raphaël Beamonte <raphael.beamonte@gmail.com> - 2015-09-20 19:20 +0200
    [PATCHv3 10/15] staging: rtl8192u: r8192U_core: rtl8192_process_phyinfo: rename variable rfpath to rfp Raphaël Beamonte <raphael.beamonte@gmail.com> - 2015-09-20 19:20 +0200
    [PATCHv3 07/15] staging: rtl8192u: r8192U_core: rtl8192_process_phyinfo: rename variable slide_beacon_adc_pwdb_index to sb_index Raphaël Beamonte <raphael.beamonte@gmail.com> - 2015-09-20 19:20 +0200
    [PATCHv3 14/15] staging: rtl8192u: r8192U_core: replace else { if() {} } by else if () {} Raphaël Beamonte <raphael.beamonte@gmail.com> - 2015-09-20 19:20 +0200
    [PATCHv3 15/15] staging: rtl8192u: remove all code framed by symbol TO_DO_LIST Raphaël Beamonte <raphael.beamonte@gmail.com> - 2015-09-20 19:20 +0200
    [PATCHv3 09/15] staging: rtl8192u: r8192U_core: rtl8192_process_phyinfo: remove unneeded variable Raphaël Beamonte <raphael.beamonte@gmail.com> - 2015-09-20 19:30 +0200
    [PATCHv3 08/15] staging: rtl8192u: r8192U_core: rtl8192_process_phyinfo: rename variable slide_beacon_adc_pwdb_statistics to sb_stats Raphaël Beamonte <raphael.beamonte@gmail.com> - 2015-09-20 19:30 +0200
    [PATCHv3 02/15] staging: rtl8192u: r8192U_core: add temporary variables to keep lines under 80 characters Raphaël Beamonte <raphael.beamonte@gmail.com> - 2015-09-20 19:30 +0200
      Re: [PATCHv3 02/15] staging: rtl8192u: r8192U_core: add temporary  variables to keep lines under 80 characters Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-09-21 06:40 +0200
        Re: [PATCHv3 02/15] staging: rtl8192u: r8192U_core: add temporary  variables to keep lines under 80 characters Raphaël Beamonte <raphael.beamonte@gmail.com> - 2015-09-21 18:40 +0200
    [PATCHv3 03/15] staging: rtl8192u: r8192U_core: reverse conditions to get lines under 80 characters Raphaël Beamonte <raphael.beamonte@gmail.com> - 2015-09-20 19:30 +0200

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