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Commit da5f6c37 authored by Gustavo Padovan's avatar Gustavo Padovan Committed by Marcel Holtmann
Browse files

Bluetooth: Test 'count' value before enter the loop 



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

Signed-off-by: default avatarGustavo F. Padovan <padovan@profusion.mobi>
Signed-off-by: default avatarMarcel Holtmann <marcel@holtmann.org>
parent 0bbdf6cb

net/bluetooth/hci_core.c

+4 −4
Original line number Diff line number Diff line
@@ -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;

}