izzy/xemu
0
0
Fork 0
mirror of https://github.com/izzy2lost/xemu.git synced 2026-07-06 00:20:22 -07:00
Code Issues Packages Projects Releases Wiki Activity

block: fix aio_flush segfaults for read-only protocols (e.g. curl)

Browse Source 
Not all block format drivers expose an io_flush method (reasonable for
read-only protocols), so calling io_flush there will immediately segfault.

Fix by checking for the method's existence before calling it.

Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Avi Kivity
2010-05-21 11:49:18 +02:00
committed by Kevin Wolf
parent 81a204e443
commit c53a7285b4
1 changed files with 3 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files
aio.c
+3 -1
View File
@@ -113,7 +113,9 @@ void qemu_aio_flush(void)
qemu_aio_wait();
QLIST_FOREACH(node, &aio_handlers, node) {
ret |= node->io_flush(node->opaque);
if (node->io_flush) {
ret |= node->io_flush(node->opaque);
}
}
} while (qemu_bh_poll() || ret > 0);
}