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-rw-r--r--net/bluetooth/sco.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
index f93b939..967a751 100644
--- a/net/bluetooth/sco.c
+++ b/net/bluetooth/sco.c
@@ -960,13 +960,22 @@ static ssize_t sco_sysfs_show(struct class *dev,
struct sock *sk;
struct hlist_node *node;
char *str = buf;
+ int size = PAGE_SIZE;
read_lock_bh(&sco_sk_list.lock);
sk_for_each(sk, node, &sco_sk_list.head) {
- str += sprintf(str, "%s %s %d\n",
+ int len;
+
+ len = snprintf(str, size, "%s %s %d\n",
batostr(&bt_sk(sk)->src), batostr(&bt_sk(sk)->dst),
sk->sk_state);
+
+ size -= len;
+ if (size <= 0)
+ break;
+
+ str += len;
}
read_unlock_bh(&sco_sk_list.lock);
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