falso
/
qemu-irix
mirror of https://github.com/n64decomp/qemu-irix.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

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

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>
(cherry picked from commit c53a7285b4)
This commit is contained in:
Avi Kivity 2010-05-16 14:59:57 +03:00 committed by Aurelien Jarno
parent 7e4f956056
commit 74bcc51b99
1 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
aio.c
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);
}