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author | Emanuele Giuseppe Esposito <eesposit@redhat.com> | 2023-05-04 13:57:44 +0200 |
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committer | Kevin Wolf <kwolf@redhat.com> | 2023-05-10 14:16:54 +0200 |
commit | a00e70c01241590b6c80dca4ee39b9de0b10097e (patch) | |
tree | e0688fb5c5d395fb0b583047c451f274512ae5af /block.c | |
parent | de335638a399b614d510b978b5c6d1b237e0ac79 (diff) | |
download | qemu-a00e70c01241590b6c80dca4ee39b9de0b10097e.zip qemu-a00e70c01241590b6c80dca4ee39b9de0b10097e.tar.gz qemu-a00e70c01241590b6c80dca4ee39b9de0b10097e.tar.bz2 |
block: Mark bdrv_co_get_info() and callers GRAPH_RDLOCK
This adds GRAPH_RDLOCK annotations to declare that callers of
bdrv_co_get_info() need to hold a reader lock for the graph.
Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20230504115750.54437-15-kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'block.c')
-rw-r--r-- | block.c | 2 |
1 files changed, 2 insertions, 0 deletions
@@ -6349,6 +6349,8 @@ int coroutine_fn bdrv_co_get_info(BlockDriverState *bs, BlockDriverInfo *bdi) int ret; BlockDriver *drv = bs->drv; IO_CODE(); + assert_bdrv_graph_readable(); + /* if bs->drv == NULL, bs is closed, so there's nothing to do here */ if (!drv) { return -ENOMEDIUM; |