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block: Mark bdrv_parent_perms_conflict() and callers GRAPH_RDLOCK

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The function reads the parents list, so it needs to hold the graph lock.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-ID: <20230911094620.45040-14-kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Kevin Wolf 2023-09-11 11:46:12 +02:00
parent afdaeb9ea0
commit 3804e3cf54
9 changed files with 66 additions and 26 deletions
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2
block/vmdk.c
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@ -1309,6 +1309,8 @@ static int vmdk_open(BlockDriverState *bs, QDict *options, int flags,
BDRVVmdkState *s = bs->opaque;
uint32_t magic;
GRAPH_RDLOCK_GUARD_MAINLOOP();
ret = bdrv_open_file_child(NULL, options, "file", bs, errp);
if (ret < 0) {
return ret;