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Bluetooth: Fix abuse of the preincrement operator 

Fix abuse of the preincrement operator as detected when building with gcc
4.6.0:

	 CC [M]  drivers/bluetooth/hci_bcsp.o
	drivers/bluetooth/hci_bcsp.c: In function 'bcsp_prepare_pkt':
	drivers/bluetooth/hci_bcsp.c:247:20: warning: operation on 'bcsp->msgq_txseq' may be undefined

Reported-by: Justin P. Mattock <justinmattock@gmail.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Gustavo F. Padovan <padovan@profusion.mobi>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David Howells 2010-06-30 13:10:09 -07:00 committed by David S. Miller
parent 9b2c2ff7a1
commit dd1589a431
1 changed files with 1 additions and 1 deletions
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2
drivers/bluetooth/hci_bcsp.c
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@ -244,7 +244,7 @@ static struct sk_buff *bcsp_prepare_pkt(struct bcsp_struct *bcsp, u8 *data,
if (rel) {
hdr[0] |= 0x80 + bcsp->msgq_txseq;
BT_DBG("Sending packet with seqno %u", bcsp->msgq_txseq);
bcsp->msgq_txseq = ++(bcsp->msgq_txseq) & 0x07;
bcsp->msgq_txseq = (bcsp->msgq_txseq + 1) & 0x07;
}
if (bcsp->use_crc)