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block-5.8-2020-07-01

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Merge tag 'block-5.8-2020-07-01' of git://git.kernel.dk/linux-block

Pull block fixes from Jens Axboe:

 - Use kvfree_sensitive() for the block keyslot free (Eric)

 - Sync blk-mq debugfs flags (Hou)

 - Memory leak fix in virtio-blk error path (Hou)

* tag 'block-5.8-2020-07-01' of git://git.kernel.dk/linux-block:
  virtio-blk: free vblk-vqs in error path of virtblk_probe()
  block/keyslot-manager: use kvfree_sensitive()
  blk-mq-debugfs: update blk_queue_flag_name[] accordingly for new flags
This commit is contained in:
Linus Torvalds 2020-07-02 15:13:51 -07:00
commit 7cc2a8ea10
4 changed files with 6 additions and 2 deletions
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3
block/blk-mq-debugfs.c
View File

@ -125,6 +125,9 @@ static const char *const blk_queue_flag_name[] = {
QUEUE_FLAG_NAME(REGISTERED),
QUEUE_FLAG_NAME(SCSI_PASSTHROUGH),
QUEUE_FLAG_NAME(QUIESCED),
QUEUE_FLAG_NAME(PCI_P2PDMA),
QUEUE_FLAG_NAME(ZONE_RESETALL),
QUEUE_FLAG_NAME(RQ_ALLOC_TIME),
};
#undef QUEUE_FLAG_NAME

3
block/keyslot-manager.c
View File

@ -374,8 +374,7 @@ void blk_ksm_destroy(struct blk_keyslot_manager *ksm)
if (!ksm)
return;
kvfree(ksm->slot_hashtable);
memzero_explicit(ksm->slots, sizeof(ksm->slots[0]) * ksm->num_slots);
kvfree(ksm->slots);
kvfree_sensitive(ksm->slots, sizeof(ksm->slots[0]) * ksm->num_slots);
memzero_explicit(ksm, sizeof(*ksm));
}
EXPORT_SYMBOL_GPL(blk_ksm_destroy);

1
drivers/block/virtio_blk.c
View File

@ -878,6 +878,7 @@ out_put_disk:
put_disk(vblk->disk);
out_free_vq:
vdev->config->del_vqs(vdev);
kfree(vblk->vqs);
out_free_vblk:
kfree(vblk);
out_free_index:

1
include/linux/blkdev.h
View File

@ -590,6 +590,7 @@ struct request_queue {
u64 write_hints[BLK_MAX_WRITE_HINTS];
};
/* Keep blk_queue_flag_name[] in sync with the definitions below */
#define QUEUE_FLAG_STOPPED 0 /* queue is stopped */
#define QUEUE_FLAG_DYING 1 /* queue being torn down */
#define QUEUE_FLAG_NOMERGES 3 /* disable merge attempts */