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drm/amd/display: Fix bounds check for dcn35 DcfClocks
[Why]
NumFclkLevelsEnabled is used for DcfClocks bounds check
instead of designated NumDcfClkLevelsEnabled.
That can cause array index out-of-bounds access.
[How]
Use designated variable for dcn35 DcfClocks bounds check.
Fixes: a8edc9cc0b
("drm/amd/display: Fix array-index-out-of-bounds in dcn35_clkmgr")
Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Reviewed-by: Sun peng Li <sunpeng.li@amd.com>
Acked-by: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: Roman Li <roman.li@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
parent
edfa93d87f
commit
2f10d4a51b
@ -714,7 +714,7 @@ static void dcn35_clk_mgr_helper_populate_bw_params(struct clk_mgr_internal *clk
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clock_table->NumFclkLevelsEnabled;
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clock_table->NumFclkLevelsEnabled;
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max_fclk = find_max_clk_value(clock_table->FclkClocks_Freq, num_fclk);
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max_fclk = find_max_clk_value(clock_table->FclkClocks_Freq, num_fclk);
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num_dcfclk = (clock_table->NumFclkLevelsEnabled > NUM_DCFCLK_DPM_LEVELS) ? NUM_DCFCLK_DPM_LEVELS :
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num_dcfclk = (clock_table->NumDcfClkLevelsEnabled > NUM_DCFCLK_DPM_LEVELS) ? NUM_DCFCLK_DPM_LEVELS :
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clock_table->NumDcfClkLevelsEnabled;
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clock_table->NumDcfClkLevelsEnabled;
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for (i = 0; i < num_dcfclk; i++) {
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for (i = 0; i < num_dcfclk; i++) {
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int j;
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int j;
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