CVE-2022-49449 pinctrl: renesas: rzn1: Fix possible null-ptr-deref in sh_pfc_map_resources()

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/pinctrl/renesas/pinctrl-rzn1.c"
    ],
    "versions": [
      {
        "version": "4e53b5004745ef26a37bca4933b2d3ea71313f2a",
        "lessThan": "b646e0cfeb38bf5f1944fd548f1dfa9b129fa00c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4e53b5004745ef26a37bca4933b2d3ea71313f2a",
        "lessThan": "c16b59d445135c8026a04e388d8b2762feaa3b3b",
        "status": "affected",
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      },
      {
        "version": "4e53b5004745ef26a37bca4933b2d3ea71313f2a",
        "lessThan": "34c719b8fdfbd0c7c54cae56e6b0f16e9f8bf03e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4e53b5004745ef26a37bca4933b2d3ea71313f2a",
        "lessThan": "01f9e02e0f13df3fd291676dc80054e977be1601",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4e53b5004745ef26a37bca4933b2d3ea71313f2a",
        "lessThan": "2f661477c2bb8068194dbba9738d05219f111c6e",
        "status": "affected",
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    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/pinctrl/renesas/pinctrl-rzn1.c"
    ],
    "versions": [
      {
        "version": "4.20",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.20",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.121",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.46",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.17.14",
        "lessThanOrEqual": "5.17.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.18.3",
        "lessThanOrEqual": "5.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.19",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]