linux-kernel - [PATCH 6.6 461/638] drm/amdgpu: Fix missing break in ATOM_ARG_IMM Case of atom_get_src

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Date: Sun, 24 Mar 2024 18:58:18 -0400
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org,
	stable@...r.kernel.org
Cc: Srinivasan Shanmugam <srinivasan.shanmugam@....com>,
	Jammy Zhou <Jammy.Zhou@....com>,
	Christian König <christian.koenig@....com>,
	Alex Deucher <alexander.deucher@....com>,
	Sasha Levin <sashal@...nel.org>
Subject: [PATCH 6.6 461/638] drm/amdgpu: Fix missing break in ATOM_ARG_IMM Case of atom_get_src_int()

From: Srinivasan Shanmugam <srinivasan.shanmugam@....com>

[ Upstream commit 7cf1ad2fe10634238b38442a851d89514cb14ea2 ]

Missing break statement in the ATOM_ARG_IMM case of a switch statement,
adds the missing break statement, ensuring that the program's control
flow is as intended.

Fixes the below:
drivers/gpu/drm/amd/amdgpu/atom.c:323 atom_get_src_int() warn: ignoring unreachable code.

Fixes: d38ceaf99ed0 ("drm/amdgpu: add core driver (v4)")
Cc: Jammy Zhou <Jammy.Zhou@....com>
Cc: Christian König <christian.koenig@....com>
Cc: Alex Deucher <alexander.deucher@....com>
Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@....com>
Reviewed-by: Alex Deucher <alexander.deucher@....com>
Signed-off-by: Alex Deucher <alexander.deucher@....com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/gpu/drm/amd/amdgpu/atom.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/atom.c b/drivers/gpu/drm/amd/amdgpu/atom.c
index 9f63ddb89b75c..1195d37f19fc5 100644
--- a/drivers/gpu/drm/amd/amdgpu/atom.c
+++ b/drivers/gpu/drm/amd/amdgpu/atom.c
@@ -313,7 +313,7 @@ static uint32_t atom_get_src_int(atom_exec_context *ctx, uint8_t attr,
 				DEBUG("IMM 0x%02X\n", val);
 			return val;
 		}
-		return 0;
+		break;
 	case ATOM_ARG_PLL:
 		idx = U8(*ptr);
 		(*ptr)++;
-- 
2.43.0