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| author | Thomas Hellström <thomas.hellstrom@linux.intel.com> | 2025-12-04 22:54:56 +0100 |
|---|---|---|
| committer | Thomas Hellström <thomas.hellstrom@linux.intel.com> | 2025-12-04 22:54:56 +0100 |
| commit | 3f1c07fc21c68bd3bd2df9d2c9441f6485e934d9 (patch) | |
| tree | 2bbe746323ca53170b1c6f18f67178021d5854f5 /drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c | |
| parent | d72312d730450aab225a80bc84436757b85b08b5 (diff) | |
| parent | 0692602defb0c273f80dec9c564ca50726404aca (diff) | |
Merge drm/drm-next into drm-xe-next-fixes
Backmerging to be able do to a clean PR.
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c index cd8873c6931a..c596b6df2e2d 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c @@ -520,9 +520,14 @@ static ssize_t amdgpu_ras_cper_debugfs_read(struct file *f, char __user *buf, return -ENOMEM; if (!(*offset)) { + /* Need at least 12 bytes for the header on the first read */ + if (size < ring_header_size) + return -EINVAL; + if (copy_to_user(buf, ring_header, ring_header_size)) return -EFAULT; buf += ring_header_size; + size -= ring_header_size; } r = amdgpu_ras_mgr_handle_ras_cmd(ring->adev, |