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[Qemu-devel] [PATCH v2 for-2.10 3/4] block/vhdx: check error return of b
From: |
Jeff Cody |
Subject: |
[Qemu-devel] [PATCH v2 for-2.10 3/4] block/vhdx: check error return of bdrv_flush() |
Date: |
Mon, 7 Aug 2017 08:38:21 -0400 |
Reported-by: Kevin Wolf <address@hidden>
Signed-off-by: Jeff Cody <address@hidden>
---
block/vhdx-log.c | 17 ++++++++++++++---
1 file changed, 14 insertions(+), 3 deletions(-)
diff --git a/block/vhdx-log.c b/block/vhdx-log.c
index 9597223..a27dc05 100644
--- a/block/vhdx-log.c
+++ b/block/vhdx-log.c
@@ -565,7 +565,10 @@ static int vhdx_log_flush(BlockDriverState *bs,
BDRVVHDXState *s,
desc_entries = NULL;
}
- bdrv_flush(bs);
+ ret = bdrv_flush(bs);
+ if (ret < 0) {
+ goto exit;
+ }
/* once the log is fully flushed, indicate that we have an empty log
* now. This also sets the log guid to 0, to indicate an empty log */
vhdx_log_reset(bs, s);
@@ -1039,7 +1042,11 @@ int vhdx_log_write_and_flush(BlockDriverState *bs,
BDRVVHDXState *s,
/* Make sure data written (new and/or changed blocks) is stable
* on disk, before creating log entry */
- bdrv_flush(bs);
+ ret = bdrv_flush(bs);
+ if (ret < 0) {
+ goto exit;
+ }
+
ret = vhdx_log_write(bs, s, data, length, offset);
if (ret < 0) {
goto exit;
@@ -1047,7 +1054,11 @@ int vhdx_log_write_and_flush(BlockDriverState *bs,
BDRVVHDXState *s,
logs.log = s->log;
/* Make sure log is stable on disk */
- bdrv_flush(bs);
+ ret = bdrv_flush(bs);
+ if (ret < 0) {
+ goto exit;
+ }
+
ret = vhdx_log_flush(bs, s, &logs);
if (ret < 0) {
goto exit;
--
2.9.4