qemu-block
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[Qemu-block] [PULL 02/34] quorum: fix segfault when read fails in fifo m


From: Kevin Wolf
Subject: [Qemu-block] [PULL 02/34] quorum: fix segfault when read fails in fifo mode
Date: Mon, 22 Feb 2016 17:32:20 +0100

From: Changlong Xie <address@hidden>

Signed-off-by: Wen Congyang <address@hidden>
Signed-off-by: Changlong Xie <address@hidden>
Reviewed-by: Alberto Garcia <address@hidden>
Signed-off-by: Kevin Wolf <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;
         }
-- 
1.8.3.1




reply via email to

[Prev in Thread] Current Thread [Next in Thread]