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accel/ivpu: Reset cmdq->db_id on register failure

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Ensure that cmdq->db_id is reset to 0 if ivpu_jsm_register_db fails,
preventing potential reuse of invalid command queue with
unregistered doorbell.

Reviewed-by: Lizhi Hou <lizhi.hou@amd.com>
Signed-off-by: Karol Wachowski <karol.wachowski@linux.intel.com>
Link: https://lore.kernel.org/r/20250915103421.830065-1-karol.wachowski@linux.intel.com
This commit is contained in:
Karol Wachowski 2025-09-15 12:34:21 +02:00
parent 457f4393d0
commit 2274402ac1
1 changed files with 4 additions and 2 deletions
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6
drivers/accel/ivpu/ivpu_job.c
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@ -219,11 +219,13 @@ static int ivpu_register_db(struct ivpu_file_priv *file_priv, struct ivpu_cmdq *
ret = ivpu_jsm_register_db(vdev, file_priv->ctx.id, cmdq->db_id,
cmdq->mem->vpu_addr, ivpu_bo_size(cmdq->mem));
if (!ret)
if (!ret) {
ivpu_dbg(vdev, JOB, "DB %d registered to cmdq %d ctx %d priority %d\n",
cmdq->db_id, cmdq->id, file_priv->ctx.id, cmdq->priority);
else
} else {
xa_erase(&vdev->db_xa, cmdq->db_id);
cmdq->db_id = 0;
}
return ret;
}