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| author | Stefan Hajnoczi <stefanha@redhat.com> | 2017-05-30 14:15:15 +0100 |
|---|---|---|
| committer | Stefan Hajnoczi <stefanha@redhat.com> | 2017-05-30 14:15:15 +0100 |
| commit | 0748b3526e8cb78b9cd64208426bfc3d54a72b04 (patch) | |
| tree | e5d043fca7f982220cb8fd3bee2a358ed7b8c090 /block/mirror.c | |
| parent | 697e42dec86d9ae706d4ed42c71acb5f35a463c8 (diff) | |
| parent | 42a48128417b3bfade93d1a4721348cc480e9e50 (diff) | |
Merge remote-tracking branch 'kwolf/tags/for-upstream' into staging
Block layer patches
# gpg: Signature made Mon 29 May 2017 03:34:59 PM BST
# gpg: using RSA key 0x7F09B272C88F2FD6
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>"
# Primary key fingerprint: DC3D EB15 9A9A F95D 3D74 56FE 7F09 B272 C88F 2FD6
* kwolf/tags/for-upstream:
block/file-*: *_parse_filename() and colons
block: Fix backing paths for filenames with colons
block: Tweak error message related to qemu-img amend
qemu-img: Fix leakage of options on error
qemu-img: copy *key-secret opts when opening newly created files
qemu-img: introduce --target-image-opts for 'convert' command
qemu-img: fix --image-opts usage with dd command
qemu-img: add support for --object with 'dd' command
qemu-img: Fix documentation of convert
qcow2: remove extra local_error variable
mirror: Drop permissions on s->target on completion
nvme: Add support for Controller Memory Buffers
iotests: 147: Don't test inet6 if not available
qemu-iotests: Test streaming with missing job ID
stream: fix crash in stream_start() when block_job_create() fails
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'block/mirror.c')
| -rw-r--r-- | block/mirror.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/block/mirror.c b/block/mirror.c index b9eb2a2ddb..a2a970301c 100644 --- a/block/mirror.c +++ b/block/mirror.c @@ -514,7 +514,12 @@ static void mirror_exit(BlockJob *job, void *opaque) /* Remove target parent that still uses BLK_PERM_WRITE/RESIZE before * inserting target_bs at s->to_replace, where we might not be able to get - * these permissions. */ + * these permissions. + * + * Note that blk_unref() alone doesn't necessarily drop permissions because + * we might be running nested inside mirror_drain(), which takes an extra + * reference, so use an explicit blk_set_perm() first. */ + blk_set_perm(s->target, 0, BLK_PERM_ALL, &error_abort); blk_unref(s->target); s->target = NULL; |