From: Tim Huang <Tim.Huang@amd.com>
Date: Thu, 25 Apr 2024 05:15:27 +0000 (+0800)
Subject: drm/amdgpu: fix overflowed array index read warning
X-Git-Tag: v5.10.226~178
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=774bae3b8dcd3f41b512fb7a0e7f4c1ae2ae062d;p=thirdparty%2Fkernel%2Fstable.git

drm/amdgpu: fix overflowed array index read warning

[ Upstream commit ebbc2ada5c636a6a63d8316a3408753768f5aa9f ]

Clear overflowed array index read warning by cast operation.

Signed-off-by: Tim Huang <Tim.Huang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
index 15ee13c3bd9e1..6976f61be7341 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
@@ -368,8 +368,9 @@ static ssize_t amdgpu_debugfs_ring_read(struct file *f, char __user *buf,
 					size_t size, loff_t *pos)
 {
 	struct amdgpu_ring *ring = file_inode(f)->i_private;
-	int r, i;
 	uint32_t value, result, early[3];
+	loff_t i;
+	int r;
 
 	if (*pos & 3 || size & 3)
 		return -EINVAL;