autofs4: check kernel communication pipe is valid for write

[linux-2.6-omap-h63xx.git] / net / mac80211 / debugfs_key.c

diff --git a/net/mac80211/debugfs_key.c b/net/mac80211/debugfs_key.c
index 879e7210458ad3ae8965b0d8cc7211cd614a83c2..7439b63df5d0b72db616e3cf012e310a9720147c 100644 (file)
--- a/net/mac80211/debugfs_key.c
+++ b/net/mac80211/debugfs_key.c
@@ -97,8 +97,8 @@ static ssize_t key_tx_spec_read(struct file *file, char __user *userbuf,
                break;
        case ALG_TKIP:
                len = scnprintf(buf, sizeof(buf), "%08x %04x\n",
-                               key->u.tkip.iv32,
-                               key->u.tkip.iv16);
+                               key->u.tkip.tx.iv32,
+                               key->u.tkip.tx.iv16);
                break;
        case ALG_CCMP:
                tpn = key->u.ccmp.tx_pn;
@@ -128,8 +128,8 @@ static ssize_t key_rx_spec_read(struct file *file, char __user *userbuf,
                for (i = 0; i < NUM_RX_DATA_QUEUES; i++)
                        p += scnprintf(p, sizeof(buf)+buf-p,
                                       "%08x %04x\n",
-                                      key->u.tkip.iv32_rx[i],
-                                      key->u.tkip.iv16_rx[i]);
+                                      key->u.tkip.rx[i].iv32,
+                                      key->u.tkip.rx[i].iv16);
                len = p - buf;
                break;
        case ALG_CCMP:
@@ -255,14 +255,23 @@ void ieee80211_debugfs_key_remove(struct ieee80211_key *key)
 void ieee80211_debugfs_key_add_default(struct ieee80211_sub_if_data *sdata)
 {
        char buf[50];
+       struct ieee80211_key *key;
 
        if (!sdata->debugfsdir)
                return;
 
-       sprintf(buf, "../keys/%d", sdata->default_key->debugfs.cnt);
-       sdata->debugfs.default_key =
-               debugfs_create_symlink("default_key", sdata->debugfsdir, buf);
+       /* this is running under the key lock */
+
+       key = sdata->default_key;
+       if (key) {
+               sprintf(buf, "../keys/%d", key->debugfs.cnt);
+               sdata->debugfs.default_key =
+                       debugfs_create_symlink("default_key",
+                                              sdata->debugfsdir, buf);
+       } else
+               ieee80211_debugfs_key_remove_default(sdata);
 }
+
 void ieee80211_debugfs_key_remove_default(struct ieee80211_sub_if_data *sdata)
 {
        if (!sdata)