cfg80211: constify name parameter to add_virtual_intf

The name can't be modified by the driver,
make it const.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/drivers/net/wireless/ath/ath6kl/cfg80211.c b/drivers/net/wireless/ath/ath6kl/cfg80211.c
index 86aeef4..7089f81 100644
--- a/drivers/net/wireless/ath/ath6kl/cfg80211.c
+++ b/drivers/net/wireless/ath/ath6kl/cfg80211.c
@@ -1488,7 +1488,7 @@
 }
 
 static struct wireless_dev *ath6kl_cfg80211_add_iface(struct wiphy *wiphy,
-						      char *name,
+						      const char *name,
 						      enum nl80211_iftype type,
 						      u32 *flags,
 						      struct vif_params *params)
@@ -3477,7 +3477,7 @@
 	ar->num_vif--;
 }
 
-struct wireless_dev *ath6kl_interface_add(struct ath6kl *ar, char *name,
+struct wireless_dev *ath6kl_interface_add(struct ath6kl *ar, const char *name,
 					  enum nl80211_iftype type,
 					  u8 fw_vif_idx, u8 nw_type)
 {
diff --git a/drivers/net/wireless/ath/ath6kl/cfg80211.h b/drivers/net/wireless/ath/ath6kl/cfg80211.h
index 56b1ebe..780f777 100644
--- a/drivers/net/wireless/ath/ath6kl/cfg80211.h
+++ b/drivers/net/wireless/ath/ath6kl/cfg80211.h
@@ -25,7 +25,7 @@
 	ATH6KL_CFG_SUSPEND_SCHED_SCAN,
 };
 
-struct wireless_dev *ath6kl_interface_add(struct ath6kl *ar, char *name,
+struct wireless_dev *ath6kl_interface_add(struct ath6kl *ar, const char *name,
 					  enum nl80211_iftype type,
 					  u8 fw_vif_idx, u8 nw_type);
 void ath6kl_cfg80211_ch_switch_notify(struct ath6kl_vif *vif, int freq,
diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c
index e57f543..49e2066 100644
--- a/drivers/net/wireless/mwifiex/cfg80211.c
+++ b/drivers/net/wireless/mwifiex/cfg80211.c
@@ -1597,7 +1597,7 @@
  *  create a new virtual interface with the given name
  */
 struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy,
-					      char *name,
+					      const char *name,
 					      enum nl80211_iftype type,
 					      u32 *flags,
 					      struct vif_params *params)
diff --git a/drivers/net/wireless/mwifiex/main.h b/drivers/net/wireless/mwifiex/main.h
index 994bc4f..d2fb3c3e 100644
--- a/drivers/net/wireless/mwifiex/main.h
+++ b/drivers/net/wireless/mwifiex/main.h
@@ -1030,7 +1030,7 @@
 					struct mwifiex_bssdescriptor *bss_desc);
 
 struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy,
-					      char *name,
+					      const char *name,
 					      enum nl80211_iftype type,
 					      u32 *flags,
 					      struct vif_params *params);
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 80051ff..ab78b53 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -1628,7 +1628,7 @@
 	void	(*set_wakeup)(struct wiphy *wiphy, bool enabled);
 
 	struct wireless_dev * (*add_virtual_intf)(struct wiphy *wiphy,
-						  char *name,
+						  const char *name,
 						  enum nl80211_iftype type,
 						  u32 *flags,
 						  struct vif_params *params);
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 9bd56a7..05f3a31 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -20,7 +20,8 @@
 #include "rate.h"
 #include "mesh.h"
 
-static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy, char *name,
+static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy,
+						const char *name,
 						enum nl80211_iftype type,
 						u32 *flags,
 						struct vif_params *params)