linux-kernel - [PATCH] drm/amd/pm: replace 1-element arrays with flexible-array members

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Message-Id: <20231108065436.13969-1-jose.pekkarinen@foxhound.fi>
Date:   Wed,  8 Nov 2023 08:54:35 +0200
From:   José Pekkarinen <jose.pekkarinen@...hound.fi>
To:     evan.quan@....com, alexander.deucher@....com,
        christian.koenig@....com, Xinhui.Pan@....com,
        skhan@...uxfoundation.org
Cc:     José Pekkarinen <jose.pekkarinen@...hound.fi>,
        airlied@...il.com, daniel@...ll.ch, amd-gfx@...ts.freedesktop.org,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        linux-kernel-mentees@...ts.linux.dev
Subject: [PATCH] drm/amd/pm: replace 1-element arrays with flexible-array members

The following case seems to be safe to be replaced with a flexible array
to clean up the added coccinelle warning. This patch will just do it.

drivers/gpu/drm/amd/pm/powerplay/smumgr/smu8_smumgr.h:76:38-63: 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: José Pekkarinen <jose.pekkarinen@...hound.fi>
---
 drivers/gpu/drm/amd/pm/powerplay/smumgr/smu8_smumgr.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/pm/powerplay/smumgr/smu8_smumgr.h b/drivers/gpu/drm/amd/pm/powerplay/smumgr/smu8_smumgr.h
index c7b61222d258..1ce4087005f0 100644
--- a/drivers/gpu/drm/amd/pm/powerplay/smumgr/smu8_smumgr.h
+++ b/drivers/gpu/drm/amd/pm/powerplay/smumgr/smu8_smumgr.h
@@ -73,7 +73,7 @@ struct smu8_register_index_data_pair {
 
 struct smu8_ih_meta_data {
 	uint32_t command;
-	struct smu8_register_index_data_pair register_index_value_pair[1];
+	struct smu8_register_index_data_pair register_index_value_pair[];
 };
 
 struct smu8_smumgr {
-- 
2.39.2