Bluetooth: Test 'count' value before enter the loop

Testing first we avoid enter the loop when count = 0.

Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

1 files changed, 4 insertions, 4 deletions

diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 995c9f9b84d0..8303f1c9ef54 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -1149,7 +1149,7 @@ int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count)
         if (type < HCI_ACLDATA_PKT || type > HCI_EVENT_PKT)
                 return -EILSEQ;
 
-        do {
+        while (count) {
                 rem = hci_reassembly(hdev, type, data, count,
                                                 type - 1, GFP_ATOMIC);
                 if (rem < 0)
@@ -1157,7 +1157,7 @@ int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count)
 
                 data += (count - rem);
                 count = rem;
-        } while (count);
+        };
 
         return rem;
 }
@@ -1170,7 +1170,7 @@ int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count)
         int type;
         int rem = 0;
 
-        do {
+        while (count) {
                 struct sk_buff *skb = hdev->reassembly[STREAM_REASSEMBLY];
 
                 if (!skb) {
@@ -1192,7 +1192,7 @@ int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count)
 
                 data += (count - rem);
                 count = rem;
-        } while (count);
+        };
 
         return rem;
 }