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path: root/net/bluetooth/rfcomm/core.c
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Diffstat (limited to 'net/bluetooth/rfcomm/core.c')
-rw-r--r--net/bluetooth/rfcomm/core.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/net/bluetooth/rfcomm/core.c b/net/bluetooth/rfcomm/core.c
index db8a68e1a5b..cf164073269 100644
--- a/net/bluetooth/rfcomm/core.c
+++ b/net/bluetooth/rfcomm/core.c
@@ -2105,6 +2105,7 @@ static ssize_t rfcomm_dlc_sysfs_show(struct class *dev,
struct rfcomm_session *s;
struct list_head *pp, *p;
char *str = buf;
+ int size = PAGE_SIZE;
rfcomm_lock();
@@ -2113,11 +2114,21 @@ static ssize_t rfcomm_dlc_sysfs_show(struct class *dev,
list_for_each(pp, &s->dlcs) {
struct sock *sk = s->sock->sk;
struct rfcomm_dlc *d = list_entry(pp, struct rfcomm_dlc, list);
+ int len;
- str += sprintf(str, "%s %s %ld %d %d %d %d\n",
+ len = snprintf(str, size, "%s %s %ld %d %d %d %d\n",
batostr(&bt_sk(sk)->src), batostr(&bt_sk(sk)->dst),
d->state, d->dlci, d->mtu, d->rx_credits, d->tx_credits);
+
+ size -= len;
+ if (size <= 0)
+ break;
+
+ str += len;
}
+
+ if (size <= 0)
+ break;
}
rfcomm_unlock();