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| author | Changlong Xie <xiecl.fnst@cn.fujitsu.com> | 2016-02-05 10:25:22 +0800 |
|---|---|---|
| committer | Timothy Pearson <tpearson@raptorengineering.com> | 2019-11-29 19:45:30 -0600 |
| commit | fdf3e4bc98c26064f8abc9b5cde599f81544c50e (patch) | |
| tree | e36d4efe378080049596fd1ee10e49b510477799 | |
| parent | 146d39904751bc35d9a7b34d8dd36d8336a10f1c (diff) | |
| download | hqemu-fdf3e4bc98c26064f8abc9b5cde599f81544c50e.zip hqemu-fdf3e4bc98c26064f8abc9b5cde599f81544c50e.tar.gz | |
quorum: fix segfault when read fails in fifo mode
Signed-off-by: Wen Congyang <wency@cn.fujitsu.com>
Signed-off-by: Changlong Xie <xiecl.fnst@cn.fujitsu.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
| -rw-r--r-- | block/quorum.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/block/quorum.c b/block/quorum.c index a5ae4b8..11cc60b 100644 --- a/block/quorum.c +++ b/block/quorum.c @@ -286,7 +286,8 @@ static void quorum_aio_cb(void *opaque, int ret) if (acb->is_read && s->read_pattern == QUORUM_READ_PATTERN_FIFO) { /* We try to read next child in FIFO order if we fail to read */ - if (ret < 0 && ++acb->child_iter < s->num_children) { + if (ret < 0 && (acb->child_iter + 1) < s->num_children) { + acb->child_iter++; read_fifo_child(acb); return; } |
