[PATCH] drm/amdgpu: Fix warnings

[Zhang, Hawking]

[AMD Official Use Only - General]

Reviewed-by: Hawking Zhang <Hawking.Zhang at amd.com>

Regards,
Hawking
-----Original Message-----
From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> On Behalf Of Lijo Lazar
Sent: Tuesday, May 23, 2023 16:00
To: amd-gfx at lists.freedesktop.org
Cc: Deucher, Alexander <Alexander.Deucher at amd.com>; Dan Carpenter <error27 at gmail.com>; kernel test robot <lkp at intel.com>; Zhang, Hawking <Hawking.Zhang at amd.com>
Subject: [PATCH] drm/amdgpu: Fix warnings

Fix warnings reported by kernel test bot/smatch

smatch warnings:
drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c:65 amdgpu_xcp_run_transition()
error: buffer overflow 'xcp_mgr->xcp' 8 <= 8

Reported-by: kernel test robot <lkp at intel.com>
Reported-by: Dan Carpenter <error27 at gmail.com>
Closes: https://lore.kernel.org/r/202305231453.I0bXngYn-lkp@intel.com/

Signed-off-by: Lijo Lazar <lijo.lazar at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c
index e9586a0dc335..fcdc0862d258 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c
@@ -65,7 +65,7 @@ static int amdgpu_xcp_run_transition(struct amdgpu_xcp_mgr *xcp_mgr, int xcp_id,
 	struct amdgpu_xcp *xcp;
 	int i, ret;
 
-	if (xcp_id > MAX_XCP || !xcp_mgr->xcp[xcp_id].valid)
+	if (xcp_id >= MAX_XCP || !xcp_mgr->xcp[xcp_id].valid)
 		return -EINVAL;
 
 	xcp = &xcp_mgr->xcp[xcp_id];
-- 
2.25.1