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[Qemu-block] [PULL 31/42] qcow2: fix iovec size at qcow2_co_pwritev_comp
From: |
Kevin Wolf |
Subject: |
[Qemu-block] [PULL 31/42] qcow2: fix iovec size at qcow2_co_pwritev_compressed |
Date: |
Mon, 5 Sep 2016 20:13:43 +0200 |
From: Pavel Butsykin <address@hidden>
Use bytes as the size would be more exact than s->cluster_size. Although
qemu_iovec_to_buf() will not allow to go beyond the qiov.
Signed-off-by: Pavel Butsykin <address@hidden>
Signed-off-by: Kevin Wolf <address@hidden>
---
block/qcow2.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/block/qcow2.c b/block/qcow2.c
index adf4514..c079aa8 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -2565,7 +2565,7 @@ qcow2_co_pwritev_compressed(BlockDriverState *bs,
uint64_t offset,
/* Zero-pad last write if image size is not cluster aligned */
memset(buf + bytes, 0, s->cluster_size - bytes);
}
- qemu_iovec_to_buf(qiov, 0, buf, s->cluster_size);
+ qemu_iovec_to_buf(qiov, 0, buf, bytes);
out_buf = g_malloc(s->cluster_size);
--
1.8.3.1
- [Qemu-block] [PULL 23/42] block/io: turn on dirty_bitmaps for the compressed writes, (continued)
- [Qemu-block] [PULL 23/42] block/io: turn on dirty_bitmaps for the compressed writes, Kevin Wolf, 2016/09/05
- [Qemu-block] [PULL 24/42] block: simplify drive-backup, Kevin Wolf, 2016/09/05
- [Qemu-block] [PULL 25/42] block: simplify blockdev-backup, Kevin Wolf, 2016/09/05
- [Qemu-block] [PULL 29/42] qemu-iotests: add vmdk for test backup compression in 055, Kevin Wolf, 2016/09/05
- [Qemu-block] [PULL 26/42] drive-backup: added support for data compression, Kevin Wolf, 2016/09/05
- [Qemu-block] [PULL 27/42] blockdev-backup: added support for data compression, Kevin Wolf, 2016/09/05
- [Qemu-block] [PULL 30/42] test-coroutine: Fix coroutine pool corruption, Kevin Wolf, 2016/09/05
- [Qemu-block] [PULL 32/42] coroutine: Let CoMutex remember who holds it, Kevin Wolf, 2016/09/05
- [Qemu-block] [PULL 31/42] qcow2: fix iovec size at qcow2_co_pwritev_compressed,
Kevin Wolf <=
- [Qemu-block] [PULL 34/42] block jobs: Improve error message for missing job ID, Kevin Wolf, 2016/09/05
- [Qemu-block] [PULL 35/42] qemu-iotests: Log QMP traffic in debug mode, Kevin Wolf, 2016/09/05
- [Qemu-block] [PULL 36/42] block: Allow node name for 'qemu-io' HMP command, Kevin Wolf, 2016/09/05
- [Qemu-block] [PULL 38/42] coroutine: add a macro for the coroutine stack size, Kevin Wolf, 2016/09/05
- [Qemu-block] [PULL 37/42] oslib-posix: add helpers for stack alloc and free, Kevin Wolf, 2016/09/05
- [Qemu-block] [PULL 33/42] coroutine: Assert that no locks are held on termination, Kevin Wolf, 2016/09/05
- [Qemu-block] [PULL 40/42] coroutine-sigaltstack: use helper for allocating stack memory, Kevin Wolf, 2016/09/05
- [Qemu-block] [PULL 39/42] coroutine-ucontext: use helper for allocating stack memory, Kevin Wolf, 2016/09/05
- [Qemu-block] [PULL 41/42] oslib-posix: add a configure switch to debug stack usage, Kevin Wolf, 2016/09/05