linux-kernel - [PATCH v3 17/18] media: venus: Refactor hfi_session_fill_buffer

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Date: Mon, 27 May 2024 21:09:07 +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 17/18] media: venus: Refactor
 hfi_session_fill_buffer_pkt

The single data array data[1] is only used to save the extradata_size.
Replace it with a single element field.

This fixes the following cocci warning:
drivers/media/platform/qcom/venus/hfi_cmds.h:175:5-9: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)

Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@...aro.org>
Signed-off-by: Ricardo Ribalda <ribalda@...omium.org>
---
 drivers/media/platform/qcom/venus/hfi_cmds.c | 2 +-
 drivers/media/platform/qcom/venus/hfi_cmds.h | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/media/platform/qcom/venus/hfi_cmds.c b/drivers/media/platform/qcom/venus/hfi_cmds.c
index 0a4de8ca1df5..3ae063094e3e 100644
--- a/drivers/media/platform/qcom/venus/hfi_cmds.c
+++ b/drivers/media/platform/qcom/venus/hfi_cmds.c
@@ -331,7 +331,7 @@ int pkt_session_ftb(struct hfi_session_fill_buffer_pkt *pkt, void *cookie,
 	pkt->alloc_len = out_frame->alloc_len;
 	pkt->filled_len = out_frame->filled_len;
 	pkt->offset = out_frame->offset;
-	pkt->data[0] = out_frame->extradata_size;
+	pkt->data = out_frame->extradata_size;
 
 	return 0;
 }
diff --git a/drivers/media/platform/qcom/venus/hfi_cmds.h b/drivers/media/platform/qcom/venus/hfi_cmds.h
index f91bc9087643..daba45720ddc 100644
--- a/drivers/media/platform/qcom/venus/hfi_cmds.h
+++ b/drivers/media/platform/qcom/venus/hfi_cmds.h
@@ -172,7 +172,7 @@ struct hfi_session_fill_buffer_pkt {
 	u32 output_tag;
 	u32 packet_buffer;
 	u32 extradata_buffer;
-	u32 data[1];
+	u32 data;
 };
 
 struct hfi_session_flush_pkt {

-- 
2.45.1.288.g0e0cd299f1-goog