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[Qemu-devel] [PATCH V2] quorum: fix segfault when read fails in fifo mod
From: |
Changlong Xie |
Subject: |
[Qemu-devel] [PATCH V2] quorum: fix segfault when read fails in fifo mode |
Date: |
Fri, 5 Feb 2016 10:25:22 +0800 |
Signed-off-by: Wen Congyang <address@hidden>
Signed-off-by: Changlong Xie <address@hidden>
---
block/quorum.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
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;
}
--
1.9.3
- [Qemu-devel] [PATCH V2] quorum: fix segfault when read fails in fifo mode,
Changlong Xie <=