mac80211: don't check netdev state for debugfs read/write
authorArik Nemtsov <arik@wizery.com>
Mon, 26 May 2014 11:40:51 +0000 (14:40 +0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 9 Jul 2014 18:18:26 +0000 (11:18 -0700)
commit 923eaf367206e01f22c97aee22300e332d071916 upstream.

Doing so will lead to an oops for a p2p-dev interface, since it has
no netdev.

Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
net/mac80211/debugfs_netdev.c

index ebf80f3..653ce5d 100644 (file)
@@ -34,8 +34,7 @@ static ssize_t ieee80211_if_read(
        ssize_t ret = -EINVAL;
 
        read_lock(&dev_base_lock);
-       if (sdata->dev->reg_state == NETREG_REGISTERED)
-               ret = (*format)(sdata, buf, sizeof(buf));
+       ret = (*format)(sdata, buf, sizeof(buf));
        read_unlock(&dev_base_lock);
 
        if (ret >= 0)
@@ -62,8 +61,7 @@ static ssize_t ieee80211_if_write(
 
        ret = -ENODEV;
        rtnl_lock();
-       if (sdata->dev->reg_state == NETREG_REGISTERED)
-               ret = (*write)(sdata, buf, count);
+       ret = (*write)(sdata, buf, count);
        rtnl_unlock();
 
        return ret;