linux-kernel - [PATCH] drm/amd/display: fix application of sizeof to pointer

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Message-Id: <20211124030426.34830-1-lv.ruyi@zte.com.cn>
Date:   Wed, 24 Nov 2021 03:04:26 +0000
From:   cgel.zte@...il.com
To:     sunpeng.li@....com
Cc:     harry.wentland@....com, Rodrigo.Siqueira@....com,
        alexander.deucher@....com, christian.koenig@....com,
        Xinhui.Pan@....com, airlied@...ux.ie, daniel@...ll.ch,
        jun.lei@....com, wayne.lin@....com, lv.ruyi@....com.cn,
        amd-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org, Zeal Robot <zealci@....com.cn>
Subject: [PATCH] drm/amd/display: fix application of sizeof to pointer

From: Lv Ruyi <lv.ruyi@....com.cn>

Both of split and merge are pointers, not arrays.

Reported-by: Zeal Robot <zealci@....com.cn>
Signed-off-by: Lv Ruyi <lv.ruyi@....com.cn>
---
 drivers/gpu/drm/amd/display/dc/dml/dml_wrapper.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dml/dml_wrapper.c b/drivers/gpu/drm/amd/display/dc/dml/dml_wrapper.c
index ece34b0b8a46..91810aaee5a3 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dml_wrapper.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dml_wrapper.c
@@ -1223,8 +1223,8 @@ static void dml_full_validate_bw_helper(struct dc *dc,
 		*pipe_cnt = dml_populate_dml_pipes_from_context(dc, context, pipes, false);
 		*vlevel = dml_get_voltage_level(&context->bw_ctx.dml, pipes, *pipe_cnt);
 		if (*vlevel < context->bw_ctx.dml.soc.num_states) {
-			memset(split, 0, sizeof(split));
-			memset(merge, 0, sizeof(merge));
+			memset(split, 0, MAX_PIPES * sizeof(*split));
+			memset(merge, 0, MAX_PIPES * sizeof(*merge));
 			*vlevel = dml_validate_apply_pipe_split_flags(dc, context, *vlevel, split, merge);
 		}
 
-- 
2.25.1