net/wireless/wext_core.c: Use IW_IOCTL_IDX macro

There's a wireless.h macro for this, might as well use it.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 56 insertions, 56 deletions

diff --git a/net/wireless/wext-core.c b/net/wireless/wext-core.c
index 5e1656bdf23b..dbde22b8f30f 100644
--- a/net/wireless/wext-core.c
+++ b/net/wireless/wext-core.c
@@ -28,226 +28,226 @@ typedef int (*wext_ioctl_func)(struct net_device *, struct iwreq *,
  * know about.
  */
 static const struct iw_ioctl_description standard_ioctl[] = {
-        [SIOCSIWCOMMIT  - SIOCIWFIRST] = {
+        [IW_IOCTL_IDX(SIOCSIWCOMMIT)] = {
                 .header_type    = IW_HEADER_TYPE_NULL,
         },
-        [SIOCGIWNAME    - SIOCIWFIRST] = {
+        [IW_IOCTL_IDX(SIOCGIWNAME)] = {
                 .header_type    = IW_HEADER_TYPE_CHAR,
                 .flags          = IW_DESCR_FLAG_DUMP,
         },
-        [SIOCSIWNWID    - SIOCIWFIRST] = {
+        [IW_IOCTL_IDX(SIOCSIWNWID)] = {
                 .header_type    = IW_HEADER_TYPE_PARAM,
                 .flags          = IW_DESCR_FLAG_EVENT,
         },
-        [SIOCGIWNWID    - SIOCIWFIRST] = {
+        [IW_IOCTL_IDX(SIOCGIWNWID)] = {
                 .header_type    = IW_HEADER_TYPE_PARAM,
                 .flags          = IW_DESCR_FLAG_DUMP,
         },
-        [SIOCSIWFREQ    - SIOCIWFIRST] = {
+        [IW_IOCTL_IDX(SIOCSIWFREQ)] = {
                 .header_type    = IW_HEADER_TYPE_FREQ,
                 .flags          = IW_DESCR_FLAG_EVENT,
         },
-        [SIOCGIWFREQ    - SIOCIWFIRST] = {
+        [IW_IOCTL_IDX(SIOCGIWFREQ)] = {
                 .header_type    = IW_HEADER_TYPE_FREQ,
                 .flags          = IW_DESCR_FLAG_DUMP,
         },
-        [SIOCSIWMODE    - SIOCIWFIRST] = {
+        [IW_IOCTL_IDX(SIOCSIWMODE)] = {
                 .header_type    = IW_HEADER_TYPE_UINT,
                 .flags          = IW_DESCR_FLAG_EVENT,
         },
-        [SIOCGIWMODE    - SIOCIWFIRST] = {
+        [IW_IOCTL_IDX(SIOCGIWMODE)] = {
                 .header_type    = IW_HEADER_TYPE_UINT,
                 .flags          = IW_DESCR_FLAG_DUMP,
         },
-        [SIOCSIWSENS    - SIOCIWFIRST] = {
+        [IW_IOCTL_IDX(SIOCSIWSENS)] = {
                 .header_type    = IW_HEADER_TYPE_PARAM,
         },
-        [SIOCGIWSENS    - SIOCIWFIRST] = {
+        [IW_IOCTL_IDX(SIOCGIWSENS)] = {
                 .header_type    = IW_HEADER_TYPE_PARAM,
         },
-        [SIOCSIWRANGE   - SIOCIWFIRST] = {
+        [IW_IOCTL_IDX(SIOCSIWRANGE)] = {
                 .header_type    = IW_HEADER_TYPE_NULL,
         },
-        [SIOCGIWRANGE   - SIOCIWFIRST] = {
+        [IW_IOCTL_IDX(SIOCGIWRANGE)] = {
                 .header_type    = IW_HEADER_TYPE_POINT,
                 .token_size     = 1,
                 .max_tokens     = sizeof(struct iw_range),
                 .flags          = IW_DESCR_FLAG_DUMP,
         },
-        [SIOCSIWPRIV    - SIOCIWFIRST] = {
+        [IW_IOCTL_IDX(SIOCSIWPRIV)] = {
                 .header_type    = IW_HEADER_TYPE_NULL,
         },
-        [SIOCGIWPRIV    - SIOCIWFIRST] = { /* (handled directly by us) */
+        [IW_IOCTL_IDX(SIOCGIWPRIV)] = { /* (handled directly by us) */
                 .header_type    = IW_HEADER_TYPE_POINT,
                 .token_size     = sizeof(struct iw_priv_args),
                 .max_tokens     = 16,
                 .flags          = IW_DESCR_FLAG_NOMAX,
         },
-        [SIOCSIWSTATS   - SIOCIWFIRST] = {
+        [IW_IOCTL_IDX(SIOCSIWSTATS)] = {
                 .header_type    = IW_HEADER_TYPE_NULL,
         },
-        [SIOCGIWSTATS   - SIOCIWFIRST] = { /* (handled directly by us) */
+        [IW_IOCTL_IDX(SIOCGIWSTATS)] = { /* (handled directly by us) */
                 .header_type    = IW_HEADER_TYPE_POINT,
                 .token_size     = 1,
                 .max_tokens     = sizeof(struct iw_statistics),
                 .flags          = IW_DESCR_FLAG_DUMP,
         },
-        [SIOCSIWSPY     - SIOCIWFIRST] = {
+        [IW_IOCTL_IDX(SIOCSIWSPY)] = {
                 .header_type    = IW_HEADER_TYPE_POINT,
                 .token_size     = sizeof(struct sockaddr),
                 .max_tokens     = IW_MAX_SPY,
         },
-        [SIOCGIWSPY     - SIOCIWFIRST] = {
+        [IW_IOCTL_IDX(SIOCGIWSPY)] = {
                 .header_type    = IW_HEADER_TYPE_POINT,
                 .token_size     = sizeof(struct sockaddr) +
                                   sizeof(struct iw_quality),
                 .max_tokens     = IW_MAX_SPY,
         },
-        [SIOCSIWTHRSPY  - SIOCIWFIRST] = {
+        [IW_IOCTL_IDX(SIOCSIWTHRSPY)] = {
                 .header_type    = IW_HEADER_TYPE_POINT,
                 .token_size     = sizeof(struct iw_thrspy),
                 .min_tokens     = 1,
                 .max_tokens     = 1,
         },
-        [SIOCGIWTHRSPY  - SIOCIWFIRST] = {
+        [IW_IOCTL_IDX(SIOCGIWTHRSPY)] = {
                 .header_type    = IW_HEADER_TYPE_POINT,
                 .token_size     = sizeof(struct iw_thrspy),
                 .min_tokens     = 1,
                 .max_tokens     = 1,
         },
-        [SIOCSIWAP      - SIOCIWFIRST] = {
+        [IW_IOCTL_IDX(SIOCSIWAP)] = {
                 .header_type    = IW_HEADER_TYPE_ADDR,
         },
-        [SIOCGIWAP      - SIOCIWFIRST] = {
+        [IW_IOCTL_IDX(SIOCGIWAP)] = {
                 .header_type    = IW_HEADER_TYPE_ADDR,
                 .flags          = IW_DESCR_FLAG_DUMP,
         },
-        [SIOCSIWMLME    - SIOCIWFIRST] = {
+        [IW_IOCTL_IDX(SIOCSIWMLME)] = {
                 .header_type    = IW_HEADER_TYPE_POINT,
                 .token_size     = 1,
                 .min_tokens     = sizeof(struct iw_mlme),
                 .max_tokens     = sizeof(struct iw_mlme),
         },
-        [SIOCGIWAPLIST  - SIOCIWFIRST] = {
+        [IW_IOCTL_IDX(SIOCGIWAPLIST)] = {
                 .header_type    = IW_HEADER_TYPE_POINT,
                 .token_size     = sizeof(struct sockaddr) +
                                   sizeof(struct iw_quality),
                 .max_tokens     = IW_MAX_AP,
                 .flags          = IW_DESCR_FLAG_NOMAX,
         },
-        [SIOCSIWSCAN    - SIOCIWFIRST] = {
+        [IW_IOCTL_IDX(SIOCSIWSCAN)] = {
                 .header_type    = IW_HEADER_TYPE_POINT,
                 .token_size     = 1,
                 .min_tokens     = 0,
                 .max_tokens     = sizeof(struct iw_scan_req),
         },
-        [SIOCGIWSCAN    - SIOCIWFIRST] = {
+        [IW_IOCTL_IDX(SIOCGIWSCAN)] = {
                 .header_type    = IW_HEADER_TYPE_POINT,
                 .token_size     = 1,
                 .max_tokens     = IW_SCAN_MAX_DATA,
                 .flags          = IW_DESCR_FLAG_NOMAX,
         },
-        [SIOCSIWESSID   - SIOCIWFIRST] = {
+        [IW_IOCTL_IDX(SIOCSIWESSID)] = {
                 .header_type    = IW_HEADER_TYPE_POINT,
                 .token_size     = 1,
                 .max_tokens     = IW_ESSID_MAX_SIZE,
                 .flags          = IW_DESCR_FLAG_EVENT,
         },
-        [SIOCGIWESSID   - SIOCIWFIRST] = {
+        [IW_IOCTL_IDX(SIOCGIWESSID)] = {
                 .header_type    = IW_HEADER_TYPE_POINT,
                 .token_size     = 1,
                 .max_tokens     = IW_ESSID_MAX_SIZE,
                 .flags          = IW_DESCR_FLAG_DUMP,
         },
-        [SIOCSIWNICKN   - SIOCIWFIRST] = {
+        [IW_IOCTL_IDX(SIOCSIWNICKN)] = {
                 .header_type    = IW_HEADER_TYPE_POINT,
                 .token_size     = 1,
                 .max_tokens     = IW_ESSID_MAX_SIZE,
         },
-        [SIOCGIWNICKN   - SIOCIWFIRST] = {
+        [IW_IOCTL_IDX(SIOCGIWNICKN)] = {
                 .header_type    = IW_HEADER_TYPE_POINT,
                 .token_size     = 1,
                 .max_tokens     = IW_ESSID_MAX_SIZE,
         },
-        [SIOCSIWRATE    - SIOCIWFIRST] = {
+        [IW_IOCTL_IDX(SIOCSIWRATE)] = {
                 .header_type    = IW_HEADER_TYPE_PARAM,
         },
-        [SIOCGIWRATE    - SIOCIWFIRST] = {
+        [IW_IOCTL_IDX(SIOCGIWRATE)] = {
                 .header_type    = IW_HEADER_TYPE_PARAM,
         },
-        [SIOCSIWRTS     - SIOCIWFIRST] = {
+        [IW_IOCTL_IDX(SIOCSIWRTS)] = {
                 .header_type    = IW_HEADER_TYPE_PARAM,
         },
-        [SIOCGIWRTS     - SIOCIWFIRST] = {
+        [IW_IOCTL_IDX(SIOCGIWRTS)] = {
                 .header_type    = IW_HEADER_TYPE_PARAM,
         },
-        [SIOCSIWFRAG    - SIOCIWFIRST] = {
+        [IW_IOCTL_IDX(SIOCSIWFRAG)] = {
                 .header_type    = IW_HEADER_TYPE_PARAM,
         },
-        [SIOCGIWFRAG    - SIOCIWFIRST] = {
+        [IW_IOCTL_IDX(SIOCGIWFRAG)] = {
                 .header_type    = IW_HEADER_TYPE_PARAM,
         },
-        [SIOCSIWTXPOW   - SIOCIWFIRST] = {
+        [IW_IOCTL_IDX(SIOCSIWTXPOW)] = {
                 .header_type    = IW_HEADER_TYPE_PARAM,
         },
-        [SIOCGIWTXPOW   - SIOCIWFIRST] = {
+        [IW_IOCTL_IDX(SIOCGIWTXPOW)] = {
                 .header_type    = IW_HEADER_TYPE_PARAM,
         },
-        [SIOCSIWRETRY   - SIOCIWFIRST] = {
+        [IW_IOCTL_IDX(SIOCSIWRETRY)] = {
                 .header_type    = IW_HEADER_TYPE_PARAM,
         },
-        [SIOCGIWRETRY   - SIOCIWFIRST] = {
+        [IW_IOCTL_IDX(SIOCGIWRETRY)] = {
                 .header_type    = IW_HEADER_TYPE_PARAM,
         },
-        [SIOCSIWENCODE  - SIOCIWFIRST] = {
+        [IW_IOCTL_IDX(SIOCSIWENCODE)] = {
                 .header_type    = IW_HEADER_TYPE_POINT,
                 .token_size     = 1,
                 .max_tokens     = IW_ENCODING_TOKEN_MAX,
                 .flags          = IW_DESCR_FLAG_EVENT | IW_DESCR_FLAG_RESTRICT,
         },
-        [SIOCGIWENCODE  - SIOCIWFIRST] = {
+        [IW_IOCTL_IDX(SIOCGIWENCODE)] = {
                 .header_type    = IW_HEADER_TYPE_POINT,
                 .token_size     = 1,
                 .max_tokens     = IW_ENCODING_TOKEN_MAX,
                 .flags          = IW_DESCR_FLAG_DUMP | IW_DESCR_FLAG_RESTRICT,
         },
-        [SIOCSIWPOWER   - SIOCIWFIRST] = {
+        [IW_IOCTL_IDX(SIOCSIWPOWER)] = {
                 .header_type    = IW_HEADER_TYPE_PARAM,
         },
-        [SIOCGIWPOWER   - SIOCIWFIRST] = {
+        [IW_IOCTL_IDX(SIOCGIWPOWER)] = {
                 .header_type    = IW_HEADER_TYPE_PARAM,
         },
-        [SIOCSIWGENIE   - SIOCIWFIRST] = {
+        [IW_IOCTL_IDX(SIOCSIWGENIE)] = {
                 .header_type    = IW_HEADER_TYPE_POINT,
                 .token_size     = 1,
                 .max_tokens     = IW_GENERIC_IE_MAX,
         },
-        [SIOCGIWGENIE   - SIOCIWFIRST] = {
+        [IW_IOCTL_IDX(SIOCGIWGENIE)] = {
                 .header_type    = IW_HEADER_TYPE_POINT,
                 .token_size     = 1,
                 .max_tokens     = IW_GENERIC_IE_MAX,
         },
-        [SIOCSIWAUTH    - SIOCIWFIRST] = {
+        [IW_IOCTL_IDX(SIOCSIWAUTH)] = {
                 .header_type    = IW_HEADER_TYPE_PARAM,
         },
-        [SIOCGIWAUTH    - SIOCIWFIRST] = {
+        [IW_IOCTL_IDX(SIOCGIWAUTH)] = {
                 .header_type    = IW_HEADER_TYPE_PARAM,
         },
-        [SIOCSIWENCODEEXT - SIOCIWFIRST] = {
+        [IW_IOCTL_IDX(SIOCSIWENCODEEXT)] = {
                 .header_type    = IW_HEADER_TYPE_POINT,
                 .token_size     = 1,
                 .min_tokens     = sizeof(struct iw_encode_ext),
                 .max_tokens     = sizeof(struct iw_encode_ext) +
                                   IW_ENCODING_TOKEN_MAX,
         },
-        [SIOCGIWENCODEEXT - SIOCIWFIRST] = {
+        [IW_IOCTL_IDX(SIOCGIWENCODEEXT)] = {
                 .header_type    = IW_HEADER_TYPE_POINT,
                 .token_size     = 1,
                 .min_tokens     = sizeof(struct iw_encode_ext),
                 .max_tokens     = sizeof(struct iw_encode_ext) +
                                   IW_ENCODING_TOKEN_MAX,
         },
-        [SIOCSIWPMKSA - SIOCIWFIRST] = {
+        [IW_IOCTL_IDX(SIOCSIWPMKSA)] = {
                 .header_type    = IW_HEADER_TYPE_POINT,
                 .token_size     = 1,
                 .min_tokens     = sizeof(struct iw_pmksa),
@@ -449,7 +449,7 @@ void wireless_send_event(struct net_device *	dev,
 
         /* Get the description of the Event */
         if (cmd <= SIOCIWLAST) {
-                cmd_index = cmd - SIOCIWFIRST;
+                cmd_index = IW_IOCTL_IDX(cmd);
                 if (cmd_index < standard_ioctl_num)
                         descr = &(standard_ioctl[cmd_index]);
         } else {
@@ -662,7 +662,7 @@ static iw_handler get_handler(struct net_device *dev, unsigned int cmd)
                 return NULL;
 
         /* Try as a standard command */
-        index = cmd - SIOCIWFIRST;
+        index = IW_IOCTL_IDX(cmd);
         if (index < handlers->num_standard)
                 return handlers->standard[index];
 
@@ -954,9 +954,9 @@ static int ioctl_standard_call(struct net_device *	dev,
         int                                     ret = -EINVAL;
 
         /* Get the description of the IOCTL */
-        if ((cmd - SIOCIWFIRST) >= standard_ioctl_num)
+        if (IW_IOCTL_IDX(cmd) >= standard_ioctl_num)
                 return -EOPNOTSUPP;
-        descr = &(standard_ioctl[cmd - SIOCIWFIRST]);
+        descr = &(standard_ioctl[IW_IOCTL_IDX(cmd)]);
 
         /* Check if we have a pointer to user space data or not */
         if (descr->header_type != IW_HEADER_TYPE_POINT) {
@@ -1012,7 +1012,7 @@ static int compat_standard_call(struct net_device	*dev,
         struct iw_point iwp;
         int err;
 
-        descr = standard_ioctl + (cmd - SIOCIWFIRST);
+        descr = standard_ioctl + IW_IOCTL_IDX(cmd);
 
         if (descr->header_type != IW_HEADER_TYPE_POINT)
                 return ioctl_standard_call(dev, iwr, cmd, info, handler);