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[Qemu-devel] [PATCH 26/26] block: Free iovec arrays allocated by multiwr
From: |
Kevin Wolf |
Subject: |
[Qemu-devel] [PATCH 26/26] block: Free iovec arrays allocated by multiwrite_merge() |
Date: |
Fri, 23 Apr 2010 17:30:58 +0200 |
From: Stefan Hajnoczi <address@hidden>
A new iovec array is allocated when creating a merged write request.
This patch ensures that the iovec array is deleted in addition to its
qiov owner.
Reported-by: Leszek Urbanski <address@hidden>
Signed-off-by: Stefan Hajnoczi <address@hidden>
Signed-off-by: Kevin Wolf <address@hidden>
---
block.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/block.c b/block.c
index 12cf434..7974215 100644
--- a/block.c
+++ b/block.c
@@ -1739,6 +1739,9 @@ static void multiwrite_user_cb(MultiwriteCB *mcb)
for (i = 0; i < mcb->num_callbacks; i++) {
mcb->callbacks[i].cb(mcb->callbacks[i].opaque, mcb->error);
+ if (mcb->callbacks[i].free_qiov) {
+ qemu_iovec_destroy(mcb->callbacks[i].free_qiov);
+ }
qemu_free(mcb->callbacks[i].free_qiov);
qemu_vfree(mcb->callbacks[i].free_buf);
}
--
1.6.6.1
- [Qemu-devel] [PATCH 17/26] block: Do not export bdrv_first, (continued)
- [Qemu-devel] [PATCH 17/26] block: Do not export bdrv_first, Kevin Wolf, 2010/04/23
- [Qemu-devel] [PATCH 16/26] cleanup block driver option handling in vl.c, Kevin Wolf, 2010/04/23
- [Qemu-devel] [PATCH 18/26] block: Convert bdrv_first to QTAILQ, Kevin Wolf, 2010/04/23
- [Qemu-devel] [PATCH 21/26] block: Convert first_drv to QLIST, Kevin Wolf, 2010/04/23
- [Qemu-devel] [PATCH 19/26] Remove un-needed code, Kevin Wolf, 2010/04/23
- [Qemu-devel] [PATCH 20/26] block.h: bdrv_create2 doesn't exist any more, Kevin Wolf, 2010/04/23
- [Qemu-devel] [PATCH 22/26] qemu-img: Eliminate bdrv_new_open() code duplication, Kevin Wolf, 2010/04/23
- [Qemu-devel] [PATCH 23/26] qemu-img: Fix BRDV_O_FLAGS typo, Kevin Wolf, 2010/04/23
- [Qemu-devel] [PATCH 24/26] linux-aio: Fix typo in read() EINTR check, Kevin Wolf, 2010/04/23
- [Qemu-devel] [PATCH 25/26] qcow2: Use QLIST_FOREACH_SAFE macro, Kevin Wolf, 2010/04/23
- [Qemu-devel] [PATCH 26/26] block: Free iovec arrays allocated by multiwrite_merge(),
Kevin Wolf <=
- [Qemu-devel] Re: [PULL 00/26] Block patches, Anthony Liguori, 2010/04/23