diff options
author | Dave Airlie <airlied@redhat.com> | 2020-08-11 11:58:31 +1000 |
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committer | Dave Airlie <airlied@redhat.com> | 2020-08-11 11:58:31 +1000 |
commit | c44264f9f729fd63bd6a81a6ac5cd6cd49af09e5 (patch) | |
tree | ad77b18ffeafb50b3eb9ba6472670dc1d96f5558 /drivers/misc/habanalabs/command_submission.c | |
parent | ca457ab5908603b36be903e73977afde1ba03c84 (diff) | |
parent | bcf876870b95592b52519ed4aafcf9d95999bc9c (diff) |
Merge tag 'v5.8' into drm-next
I need to backmerge 5.8 as I've got a bunch of fixes sitting
on an rc7 base that I want to land.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/misc/habanalabs/command_submission.c')
-rw-r--r-- | drivers/misc/habanalabs/command_submission.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/misc/habanalabs/command_submission.c b/drivers/misc/habanalabs/command_submission.c index b0f62cbbdc87..f3a8f113865d 100644 --- a/drivers/misc/habanalabs/command_submission.c +++ b/drivers/misc/habanalabs/command_submission.c @@ -499,11 +499,19 @@ static int validate_queue_index(struct hl_device *hdev, struct asic_fixed_properties *asic = &hdev->asic_prop; struct hw_queue_properties *hw_queue_prop; + /* This must be checked here to prevent out-of-bounds access to + * hw_queues_props array + */ + if (chunk->queue_index >= HL_MAX_QUEUES) { + dev_err(hdev->dev, "Queue index %d is invalid\n", + chunk->queue_index); + return -EINVAL; + } + hw_queue_prop = &asic->hw_queues_props[chunk->queue_index]; - if ((chunk->queue_index >= HL_MAX_QUEUES) || - (hw_queue_prop->type == QUEUE_TYPE_NA)) { - dev_err(hdev->dev, "Queue index %d is invalid\n", + if (hw_queue_prop->type == QUEUE_TYPE_NA) { + dev_err(hdev->dev, "Queue index %d is not applicable\n", chunk->queue_index); return -EINVAL; } |