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Message-ID: <00a464a7e2141dc3117720784d76048e7e3dbed6.1602020074.git.gustavoars@kernel.org> Date: Wed, 7 Oct 2020 11:11:33 -0500 From: "Gustavo A. R. Silva" <gustavoars@...nel.org> To: linux-kernel@...r.kernel.org Cc: linux-hardening@...r.kernel.org, Alex Deucher <alexander.deucher@....com>, Christian König <christian.koenig@....com>, David Airlie <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>, amd-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org, "Gustavo A. R. Silva" <gustavoars@...nel.org> Subject: [PATCH 14/14] drm/amd/pm: Replace one-element array with flexible-array in struct ATOM_Vega10_GFXCLK_Dependency_Table There is a regular need in the kernel to provide a way to declare having a dynamically sized set of trailing elements in a structure. Kernel code should always use “flexible array members”[1] for these cases. The older style of one-element or zero-length arrays should no longer be used[2]. Use a flexible-array member in struct ATOM_Vega10_GFXCLK_Dependency_Table instead of a one-element array. [1] https://en.wikipedia.org/wiki/Flexible_array_member [2] https://www.kernel.org/doc/html/v5.9-rc1/process/deprecated.html#zero-length-and-one-element-arrays Build-tested-by: kernel test robot <lkp@...el.com> Link: https://lore.kernel.org/lkml/5f7d61dd.O8jxxI5C6P9FOb%2Fd%25lkp@intel.com/ Signed-off-by: Gustavo A. R. Silva <gustavoars@...nel.org> --- drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_pptable.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_pptable.h b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_pptable.h index c934e9612c1b..a6968009acc4 100644 --- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_pptable.h +++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_pptable.h @@ -163,7 +163,7 @@ typedef struct _ATOM_Vega10_MCLK_Dependency_Record { typedef struct _ATOM_Vega10_GFXCLK_Dependency_Table { UCHAR ucRevId; UCHAR ucNumEntries; /* Number of entries. */ - ATOM_Vega10_GFXCLK_Dependency_Record entries[1]; /* Dynamically allocate entries. */ + ATOM_Vega10_GFXCLK_Dependency_Record entries[]; /* Dynamically allocate entries. */ } ATOM_Vega10_GFXCLK_Dependency_Table; typedef struct _ATOM_Vega10_MCLK_Dependency_Table { -- 2.27.0
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