Re: [PATCH] net: bluetooth: hci_core.c: Cleaning up uninitialized variables

From: Marcel Holtmann
Date: Sun Jun 01 2014 - 10:24:45 EST


Hi Rickard,

> There is a risk that the variable will be used without being initialized.
>
> This was largely found by using a static code analysis program called cppcheck.
>
> Signed-off-by: Rickard Strandqvist <rickard_strandqvist@xxxxxxxxxxxxxxxxxx>
> ---
> net/bluetooth/hci_core.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
> index 1c6ffaa..1d93d2f 100644
> --- a/net/bluetooth/hci_core.c
> +++ b/net/bluetooth/hci_core.c
> @@ -4603,7 +4603,7 @@ static struct hci_chan *hci_chan_sent(struct hci_dev *hdev, __u8 type,
> struct hci_chan *chan = NULL;
> unsigned int num = 0, min = ~0, cur_prio = 0;
> struct hci_conn *conn;
> - int cnt, q, conn_num = 0;
> + int cnt, q = 0, conn_num = 0;

I have no idea on how the variable will be used without being initialized. Have you actually looked through that function. The only thing we do with q is assign it and then use it. That is it.

Regards

Marcel

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