From: Evan Quan Date: Mon, 6 Nov 2017 02:33:45 +0000 (+0800) Subject: drm/amd/powerplay: suppress KASAN out of bounds warning in vega10_populate_all_memory... X-Git-Tag: v4.15-rc1~90^2~7^2~5 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=1d864b82a2bde6c583f23dfc7183d07dc9b48b6d;p=linux.git drm/amd/powerplay: suppress KASAN out of bounds warning in vega10_populate_all_memory_levels Signed-off-by: Evan Quan Tested-and-Acked-by: Christian König Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c index 4239b98cf6db..b66df60afe01 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c @@ -1807,6 +1807,10 @@ static int vega10_populate_all_memory_levels(struct pp_hwmgr *hwmgr) mem_channels = (cgs_read_register(hwmgr->device, reg) & DF_CS_AON0_DramBaseAddress0__IntLvNumChan_MASK) >> DF_CS_AON0_DramBaseAddress0__IntLvNumChan__SHIFT; + PP_ASSERT_WITH_CODE(mem_channels < ARRAY_SIZE(channel_number), + "Mem Channel Index Exceeded maximum!", + return -1); + pp_table->NumMemoryChannels = cpu_to_le16(mem_channels); pp_table->MemoryChannelWidth = cpu_to_le16(HBM_MEMORY_CHANNEL_WIDTH *