dmaengine: qcom: bam_dma: fix runtime PM underflow

{
  "id": "ecffabbb5d8af54f2b2343d8a85f95cfb257c3fbdccc820164bf72157b436956",
  "url": "https://osv.dev/vulnerability/CVE-2022-49650",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "dmaengine: qcom: bam_dma: fix runtime PM underflow",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: dmaengine: qcom: bam_dma: fix runtime PM underflow Commit dbad41e7bb5f (\"dmaengine: qcom: bam_dma: check if the runtime pm enabled\") caused unbalanced pm_runtime_get/put() calls when the bam is controlled remotely. This commit reverts it and just enables pm_runtime in all cases, the clk_* functions already just nop when the clock is NULL. Also clean up a bit by removing unnecessary bamclk null checks.",
    "evidence": "osv:CVE-2022-49650",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
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              "type": "ECOSYSTEM",
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            "ecosystem": "Linux"
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          "database_specific": {
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      ],
      "modified": "2026-10-28T02:30:36.064362492Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/0ac9c3dd0d6fe293cd5044cfad10bec27d171e4e",
        "https://git.kernel.org/stable/c/2f6ded79068cac8cff41d5d5632564165d98ee12",
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        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49650.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2022-49650",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
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    "security_relevant": true,
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  "source_id": "core-osv",
  "document_id": 503153,
  "published_at": "2025-02-26T02:23:53.006+00:00"
}