)]}'
{
  "commit": "d046b770c9fc36ccb19c27afdb8322220108cbc7",
  "tree": "3dca8790fdaa85708c320b6414a4ffbfbd1ec032",
  "parents": [
    "769a8089c1fd2fe94c13e66fe6e03d7820953ee3"
  ],
  "author": {
    "name": "Sowmini Varadhan",
    "email": "sowmini.varadhan@oracle.com",
    "time": "Tue Sep 22 14:59:20 2015 -0700"
  },
  "committer": {
    "name": "Linus Torvalds",
    "email": "torvalds@linux-foundation.org",
    "time": "Tue Sep 22 15:09:53 2015 -0700"
  },
  "message": "lib/iommu-common.c: do not try to deref a null iommu-\u003elazy_flush() pointer when n \u003c pool-\u003ehint\n\nThe check for invoking iommu-\u003elazy_flush() from iommu_tbl_range_alloc()\nhas to be refactored so that we only call -\u003elazy_flush() if it is\nnon-null.\n\nI had a sparc kernel that was crashing when I was trying to process some\nvery large perf.data files- the crash happens when the scsi driver calls\ninto dma_4v_map_sg and thus the iommu_tbl_range_alloc().\n\nSigned-off-by: Sowmini Varadhan \u003csowmini.varadhan@oracle.com\u003e\nCc: Benjamin Herrenschmidt \u003cbenh@kernel.crashing.org\u003e\nCc: Guenter Roeck \u003clinux@roeck-us.net\u003e\nCc: David S. Miller \u003cdavem@davemloft.net\u003e\nCc: \u003cstable@vger.kernel.org\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n",
  "tree_diff": [
    {
      "type": "modify",
      "old_id": "ff19f66d3f7fbd635a44cc03614b5fbe4485cc56",
      "old_mode": 33188,
      "old_path": "lib/iommu-common.c",
      "new_id": "b1c93e94ca7a430ea68c717e0e26d56057d75636",
      "new_mode": 33188,
      "new_path": "lib/iommu-common.c"
    }
  ]
}