linux-kernel - [PATCH v3 03/18] media: dvb-frontend/mxl5xx: Refactor struct MBIN_FILE

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Date: Mon, 27 May 2024 21:08:53 +0000
From: Ricardo Ribalda <ribalda@...omium.org>
To: Michael Tretter <m.tretter@...gutronix.de>, 
 Pengutronix Kernel Team <kernel@...gutronix.de>, 
 Mauro Carvalho Chehab <mchehab@...nel.org>, 
 Laurent Pinchart <laurent.pinchart@...asonboard.com>, 
 Michal Simek <michal.simek@....com>, Andy Walls <awalls@...metrocast.net>, 
 Stanimir Varbanov <stanimir.k.varbanov@...il.com>, 
 Vikash Garodia <quic_vgarodia@...cinc.com>, 
 Bryan O'Donoghue <bryan.odonoghue@...aro.org>, 
 Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konrad.dybcio@...aro.org>
Cc: linux-media@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, linux-arm-msm@...r.kernel.org, 
 Hans Verkuil <hverkuil-cisco@...all.nl>, 
 Ricardo Ribalda <ribalda@...omium.org>
Subject: [PATCH v3 03/18] media: dvb-frontend/mxl5xx: Refactor struct
 MBIN_FILE_T

Replace a single element array, with a single element field.

The following cocci warning is fixed:
drivers/media/dvb-frontends/mxl5xx_defs.h:171:4-8: 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@...omium.org>
---
 drivers/media/dvb-frontends/mxl5xx.c      | 2 +-
 drivers/media/dvb-frontends/mxl5xx_defs.h | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/media/dvb-frontends/mxl5xx.c b/drivers/media/dvb-frontends/mxl5xx.c
index 91e9c378397c..a15c0438b07a 100644
--- a/drivers/media/dvb-frontends/mxl5xx.c
+++ b/drivers/media/dvb-frontends/mxl5xx.c
@@ -893,7 +893,7 @@ static int do_firmware_download(struct mxl *state, u8 *mbin_buffer_ptr,
 	status = write_register(state, FW_DL_SIGN_ADDR, 0);
 	if (status)
 		return status;
-	segment_ptr = (struct MBIN_SEGMENT_T *) (&mbin_ptr->data[0]);
+	segment_ptr = (struct MBIN_SEGMENT_T *)(&mbin_ptr->data);
 	for (index = 0; index < mbin_ptr->header.num_segments; index++) {
 		if (segment_ptr->header.id != MBIN_SEGMENT_HEADER_ID) {
 			dev_err(state->i2cdev, "%s: Invalid segment header ID (%c)\n",
diff --git a/drivers/media/dvb-frontends/mxl5xx_defs.h b/drivers/media/dvb-frontends/mxl5xx_defs.h
index 097271f73740..3c5d75ed8fea 100644
--- a/drivers/media/dvb-frontends/mxl5xx_defs.h
+++ b/drivers/media/dvb-frontends/mxl5xx_defs.h
@@ -168,7 +168,7 @@ struct MBIN_FILE_HEADER_T {
 
 struct MBIN_FILE_T {
 	struct MBIN_FILE_HEADER_T header;
-	u8 data[1];
+	u8 data;
 };
 
 struct MBIN_SEGMENT_HEADER_T {

-- 
2.45.1.288.g0e0cd299f1-goog