Re: [PATCH 06/18] media: siano: Refactor struct sms_msg_data

From: Ricardo Ribalda
Date: Tue May 07 2024 - 10:38:02 EST


Hi,

The CI has found a build error in ppc for this patch.

https://gitlab.freedesktop.org/linux-media/media-staging/-/pipelines/1171798/test_report?job_name=build

Will send a v2 shortly

On Tue, 7 May 2024 at 15:18, Ricardo Ribalda <ribalda@xxxxxxxxxxxx> wrote:
>
> Replace a single element array with a single element field.
>
> This fixes the following cocci warning:
> drivers/media/common/siano/smscoreapi.h:619:5-13: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
>
> Signed-off-by: Ricardo Ribalda <ribalda@xxxxxxxxxxxx>
> ---
> drivers/media/common/siano/smscoreapi.c | 10 +++++-----
> drivers/media/common/siano/smscoreapi.h | 2 +-
> drivers/media/common/siano/smsdvb-main.c | 4 ++--
> 3 files changed, 8 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/media/common/siano/smscoreapi.c b/drivers/media/common/siano/smscoreapi.c
> index 7ebcb10126c9..b6f1eb5dbbdf 100644
> --- a/drivers/media/common/siano/smscoreapi.c
> +++ b/drivers/media/common/siano/smscoreapi.c
> @@ -839,7 +839,7 @@ static int smscore_configure_board(struct smscore_device_t *coredev)
> mtu_msg.x_msg_header.msg_flags = 0;
> mtu_msg.x_msg_header.msg_type = MSG_SMS_SET_MAX_TX_MSG_LEN_REQ;
> mtu_msg.x_msg_header.msg_length = sizeof(mtu_msg);
> - mtu_msg.msg_data[0] = board->mtu;
> + mtu_msg.msg_data = board->mtu;
>
> coredev->sendrequest_handler(coredev->context, &mtu_msg,
> sizeof(mtu_msg));
> @@ -852,7 +852,7 @@ static int smscore_configure_board(struct smscore_device_t *coredev)
> SMS_INIT_MSG(&crys_msg.x_msg_header,
> MSG_SMS_NEW_CRYSTAL_REQ,
> sizeof(crys_msg));
> - crys_msg.msg_data[0] = board->crystal;
> + crys_msg.msg_data = board->crystal;
>
> coredev->sendrequest_handler(coredev->context, &crys_msg,
> sizeof(crys_msg));
> @@ -1306,7 +1306,7 @@ static int smscore_init_device(struct smscore_device_t *coredev, int mode)
> msg = (struct sms_msg_data *)SMS_ALIGN_ADDRESS(buffer);
> SMS_INIT_MSG(&msg->x_msg_header, MSG_SMS_INIT_DEVICE_REQ,
> sizeof(struct sms_msg_data));
> - msg->msg_data[0] = mode;
> + msg->msg_data = mode;
>
> rc = smscore_sendrequest_and_wait(coredev, msg,
> msg->x_msg_header. msg_length,
> @@ -1394,7 +1394,7 @@ int smscore_set_device_mode(struct smscore_device_t *coredev, int mode)
>
> SMS_INIT_MSG(&msg->x_msg_header, MSG_SMS_INIT_DEVICE_REQ,
> sizeof(struct sms_msg_data));
> - msg->msg_data[0] = mode;
> + msg->msg_data = mode;
>
> rc = smscore_sendrequest_and_wait(
> coredev, msg, msg->x_msg_header.msg_length,
> @@ -1554,7 +1554,7 @@ void smscore_onresponse(struct smscore_device_t *coredev,
> struct sms_msg_data *validity = (struct sms_msg_data *) phdr;
>
> pr_debug("MSG_SMS_DATA_VALIDITY_RES, checksum = 0x%x\n",
> - validity->msg_data[0]);
> + validity->msg_data);
> complete(&coredev->data_validity_done);
> break;
> }
> diff --git a/drivers/media/common/siano/smscoreapi.h b/drivers/media/common/siano/smscoreapi.h
> index f8789ee0d554..46dc74ac9318 100644
> --- a/drivers/media/common/siano/smscoreapi.h
> +++ b/drivers/media/common/siano/smscoreapi.h
> @@ -616,7 +616,7 @@ struct sms_msg_hdr {
>
> struct sms_msg_data {
> struct sms_msg_hdr x_msg_header;
> - u32 msg_data[1];
> + u32 msg_data;
> };
>
> struct sms_msg_data2 {
> diff --git a/drivers/media/common/siano/smsdvb-main.c b/drivers/media/common/siano/smsdvb-main.c
> index d893a0e4672b..44d8fe8b220e 100644
> --- a/drivers/media/common/siano/smsdvb-main.c
> +++ b/drivers/media/common/siano/smsdvb-main.c
> @@ -689,7 +689,7 @@ static int smsdvb_start_feed(struct dvb_demux_feed *feed)
> pid_msg.x_msg_header.msg_flags = 0;
> pid_msg.x_msg_header.msg_type = MSG_SMS_ADD_PID_FILTER_REQ;
> pid_msg.x_msg_header.msg_length = sizeof(pid_msg);
> - pid_msg.msg_data[0] = feed->pid;
> + pid_msg.msg_data = feed->pid;
>
> return smsclient_sendrequest(client->smsclient,
> &pid_msg, sizeof(pid_msg));
> @@ -711,7 +711,7 @@ static int smsdvb_stop_feed(struct dvb_demux_feed *feed)
> pid_msg.x_msg_header.msg_flags = 0;
> pid_msg.x_msg_header.msg_type = MSG_SMS_REMOVE_PID_FILTER_REQ;
> pid_msg.x_msg_header.msg_length = sizeof(pid_msg);
> - pid_msg.msg_data[0] = feed->pid;
> + pid_msg.msg_data = feed->pid;
>
> return smsclient_sendrequest(client->smsclient,
> &pid_msg, sizeof(pid_msg));
>
> --
> 2.45.0.rc1.225.g2a3ae87e7f-goog
>


--
Ricardo Ribalda