On Fri, 11 Dec 2015 15:52:37 +0100,
Julia Lawall wrote:
>
> The usb_protocol_ops structures are never modified, so declare them as
> const.
>
> Done with the help of Coccinelle.
>
> Signed-off-by: Julia Lawall <Julia.Lawall@xxxxxxx>
Applied with Clemens' ack. Thanks.
Takashi
>
> ---
> sound/usb/midi.c | 25 +++++++++++++------------
> 1 file changed, 13 insertions(+), 12 deletions(-)
>
> diff --git a/sound/usb/midi.c b/sound/usb/midi.c
> index ee212e7..cc39f63 100644
> --- a/sound/usb/midi.c
> +++ b/sound/usb/midi.c
> @@ -112,7 +112,7 @@ struct snd_usb_midi {
> struct usb_interface *iface;
> const struct snd_usb_audio_quirk *quirk;
> struct snd_rawmidi *rmidi;
> - struct usb_protocol_ops *usb_protocol_ops;
> + const struct usb_protocol_ops *usb_protocol_ops;
> struct list_head list;
> struct timer_list error_timer;
> spinlock_t disc_lock;
> @@ -671,31 +671,32 @@ static void snd_usbmidi_standard_output(struct snd_usb_midi_out_endpoint *ep,
> }
> }
>
> -static struct usb_protocol_ops snd_usbmidi_standard_ops = {
> +static const struct usb_protocol_ops snd_usbmidi_standard_ops = {
> .input = snd_usbmidi_standard_input,
> .output = snd_usbmidi_standard_output,
> .output_packet = snd_usbmidi_output_standard_packet,
> };
>
> -static struct usb_protocol_ops snd_usbmidi_midiman_ops = {
> +static const struct usb_protocol_ops snd_usbmidi_midiman_ops = {
> .input = snd_usbmidi_midiman_input,
> .output = snd_usbmidi_standard_output,
> .output_packet = snd_usbmidi_output_midiman_packet,
> };
>
> -static struct usb_protocol_ops snd_usbmidi_maudio_broken_running_status_ops = {
> +static const
> +struct usb_protocol_ops snd_usbmidi_maudio_broken_running_status_ops = {
> .input = snd_usbmidi_maudio_broken_running_status_input,
> .output = snd_usbmidi_standard_output,
> .output_packet = snd_usbmidi_output_standard_packet,
> };
>
> -static struct usb_protocol_ops snd_usbmidi_cme_ops = {
> +static const struct usb_protocol_ops snd_usbmidi_cme_ops = {
> .input = snd_usbmidi_cme_input,
> .output = snd_usbmidi_standard_output,
> .output_packet = snd_usbmidi_output_standard_packet,
> };
>
> -static struct usb_protocol_ops snd_usbmidi_ch345_broken_sysex_ops = {
> +static const struct usb_protocol_ops snd_usbmidi_ch345_broken_sysex_ops = {
> .input = ch345_broken_sysex_input,
> .output = snd_usbmidi_standard_output,
> .output_packet = snd_usbmidi_output_standard_packet,
> @@ -795,7 +796,7 @@ static void snd_usbmidi_akai_output(struct snd_usb_midi_out_endpoint *ep,
> }
> }
>
> -static struct usb_protocol_ops snd_usbmidi_akai_ops = {
> +static const struct usb_protocol_ops snd_usbmidi_akai_ops = {
> .input = snd_usbmidi_akai_input,
> .output = snd_usbmidi_akai_output,
> };
> @@ -835,7 +836,7 @@ static void snd_usbmidi_novation_output(struct snd_usb_midi_out_endpoint *ep,
> urb->transfer_buffer_length = 2 + count;
> }
>
> -static struct usb_protocol_ops snd_usbmidi_novation_ops = {
> +static const struct usb_protocol_ops snd_usbmidi_novation_ops = {
> .input = snd_usbmidi_novation_input,
> .output = snd_usbmidi_novation_output,
> };
> @@ -867,7 +868,7 @@ static void snd_usbmidi_raw_output(struct snd_usb_midi_out_endpoint *ep,
> urb->transfer_buffer_length = count;
> }
>
> -static struct usb_protocol_ops snd_usbmidi_raw_ops = {
> +static const struct usb_protocol_ops snd_usbmidi_raw_ops = {
> .input = snd_usbmidi_raw_input,
> .output = snd_usbmidi_raw_output,
> };
> @@ -883,7 +884,7 @@ static void snd_usbmidi_ftdi_input(struct snd_usb_midi_in_endpoint *ep,
> snd_usbmidi_input_data(ep, 0, buffer + 2, buffer_length - 2);
> }
>
> -static struct usb_protocol_ops snd_usbmidi_ftdi_ops = {
> +static const struct usb_protocol_ops snd_usbmidi_ftdi_ops = {
> .input = snd_usbmidi_ftdi_input,
> .output = snd_usbmidi_raw_output,
> };
> @@ -927,7 +928,7 @@ static void snd_usbmidi_us122l_output(struct snd_usb_midi_out_endpoint *ep,
> urb->transfer_buffer_length = ep->max_transfer;
> }
>
> -static struct usb_protocol_ops snd_usbmidi_122l_ops = {
> +static const struct usb_protocol_ops snd_usbmidi_122l_ops = {
> .input = snd_usbmidi_us122l_input,
> .output = snd_usbmidi_us122l_output,
> };
> @@ -1060,7 +1061,7 @@ static void snd_usbmidi_emagic_output(struct snd_usb_midi_out_endpoint *ep,
> urb->transfer_buffer_length = ep->max_transfer - buf_free;
> }
>
> -static struct usb_protocol_ops snd_usbmidi_emagic_ops = {
> +static const struct usb_protocol_ops snd_usbmidi_emagic_ops = {
> .input = snd_usbmidi_emagic_input,
> .output = snd_usbmidi_emagic_output,
> .init_out_endpoint = snd_usbmidi_emagic_init_out,
>
>
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