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[Qemu-devel] [PATCH v2 20/39] aio: test node->deleted before calling io_
From: |
Paolo Bonzini |
Subject: |
[Qemu-devel] [PATCH v2 20/39] aio: test node->deleted before calling io_flush |
Date: |
Wed, 31 Oct 2012 16:30:37 +0100 |
Otherwise, there could be a case where io_flush accesses freed
memory because it should not have been called.
Signed-off-by: Paolo Bonzini <address@hidden>
---
aio.c | 2 +-
1 file modificato, 1 inserzione(+). 1 rimozione(-)
diff --git a/aio.c b/aio.c
index c89f1e9..734d2cf 100644
--- a/aio.c
+++ b/aio.c
@@ -122,7 +122,7 @@ bool aio_wait(AioContext *ctx)
* Otherwise, if there are no AIO requests, qemu_aio_wait() would
* wait indefinitely.
*/
- if (node->io_flush) {
+ if (!node->deleted && node->io_flush) {
if (node->io_flush(node->opaque) == 0) {
continue;
}
--
1.7.12.1
- [Qemu-devel] [PATCH v2 01/39] janitor: move iovector functions out of cutils.c, (continued)
- [Qemu-devel] [PATCH v2 01/39] janitor: move iovector functions out of cutils.c, Paolo Bonzini, 2012/10/31
- [Qemu-devel] [PATCH v2 05/39] fdsets: use weak aliases instead of qemu-tool.c/qemu-user.c, Paolo Bonzini, 2012/10/31
- [Qemu-devel] [PATCH v2 06/39] iohandler: add weak alias in qemu-sockets.c, for qemu-ga, Paolo Bonzini, 2012/10/31
- [Qemu-devel] [PATCH v2 07/39] win32: add weak version of qemu_fd_register, Paolo Bonzini, 2012/10/31
- [Qemu-devel] [PATCH v2 08/39] qemu-timer: make initialization functions idempotent, Paolo Bonzini, 2012/10/31
- [Qemu-devel] [PATCH v2 09/39] main-loop: unify qemu_init_main_loop between QEMU and tools, Paolo Bonzini, 2012/10/31
- [Qemu-devel] [PATCH v2 10/39] qemu-tool: do not depend on qemu-timer.c, Paolo Bonzini, 2012/10/31
- [Qemu-devel] [PATCH v2 11/39] build: opts-visitor is not really part of QAPI, Paolo Bonzini, 2012/10/31
- [Qemu-devel] [PATCH v2 12/39] build: do not include main loop where it is not actually used, Paolo Bonzini, 2012/10/31
- [Qemu-devel] [PATCH v2 17/39] aio: provide platform-independent API, Paolo Bonzini, 2012/10/31
- [Qemu-devel] [PATCH v2 20/39] aio: test node->deleted before calling io_flush,
Paolo Bonzini <=
- [Qemu-devel] [PATCH v2 21/39] aio: add non-blocking variant of aio_wait, Paolo Bonzini, 2012/10/31
- [Qemu-devel] [PATCH v2 23/39] aio: add Win32 implementation, Paolo Bonzini, 2012/10/31
- [Qemu-devel] [PATCH v2 22/39] aio: prepare for introducing GSource-based dispatch, Paolo Bonzini, 2012/10/31
- [Qemu-devel] [PATCH v2 25/39] aio: add aio_notify, Paolo Bonzini, 2012/10/31
- [Qemu-devel] [PATCH v2 24/39] aio: make AioContexts GSources, Paolo Bonzini, 2012/10/31
- [Qemu-devel] [PATCH v2 27/39] main-loop: use GSource to poll AIO file descriptors, Paolo Bonzini, 2012/10/31
- [Qemu-devel] [PATCH v2 29/39] aio: clean up now-unused functions, Paolo Bonzini, 2012/10/31
- [Qemu-devel] [PATCH v2 33/39] threadpool: do not take lock in event_notifier_ready, Paolo Bonzini, 2012/10/31
- [Qemu-devel] [PATCH v2 32/39] aio: add generic thread-pool facility, Paolo Bonzini, 2012/10/31
- [Qemu-devel] [PATCH v2 34/39] block: switch posix-aio-compat to threadpool, Paolo Bonzini, 2012/10/31