1 files changed, 7 insertions, 6 deletions

diff --git a/net/mac80211/debugfs_key.c b/net/mac80211/debugfs_key.c
index 33c58b85c911..38e6101190d9 100644
--- a/net/mac80211/debugfs_key.c
+++ b/net/mac80211/debugfs_key.c
@@ -78,7 +78,7 @@ KEY_OPS(algorithm);
 static ssize_t key_tx_spec_read(struct file *file, char __user *userbuf,
                                 size_t count, loff_t *ppos)
 {
-        const u8 *tpn;
+        u64 pn;
         char buf[20];
         int len;
         struct ieee80211_key *key = file->private_data;
@@ -94,15 +94,16 @@ static ssize_t key_tx_spec_read(struct file *file, char __user *userbuf,
                                 key->u.tkip.tx.iv16);
                 break;
         case WLAN_CIPHER_SUITE_CCMP:
-                tpn = key->u.ccmp.tx_pn;
+                pn = atomic64_read(&key->u.ccmp.tx_pn);
                 len = scnprintf(buf, sizeof(buf), "%02x%02x%02x%02x%02x%02x\n",
-                                tpn[0], tpn[1], tpn[2], tpn[3], tpn[4], tpn[5]);
+                                (u8)(pn >> 40), (u8)(pn >> 32), (u8)(pn >> 24),
+                                (u8)(pn >> 16), (u8)(pn >> 8), (u8)pn);
                 break;
         case WLAN_CIPHER_SUITE_AES_CMAC:
-                tpn = key->u.aes_cmac.tx_pn;
+                pn = atomic64_read(&key->u.aes_cmac.tx_pn);
                 len = scnprintf(buf, sizeof(buf), "%02x%02x%02x%02x%02x%02x\n",
-                                tpn[0], tpn[1], tpn[2], tpn[3], tpn[4],
-                                tpn[5]);
+                                (u8)(pn >> 40), (u8)(pn >> 32), (u8)(pn >> 24),
+                                (u8)(pn >> 16), (u8)(pn >> 8), (u8)pn);
                 break;
         default:
                 return 0;