From: Greg Kurz <gr...@kaod.org>
If the user passes -device virtio-9p without the corresponding -fsdev, QEMU
dereferences a NULL pointer and crashes.
This is a 2.8 regression introduced by commit 702dbcc274e2c.
Signed-off-by: Greg Kurz <gr...@kaod.org>
Reviewed-by: Li Qiang <liq...@gmail.com>
(cherry picked from commit f2b58c43758efc61e2a49b899f5e58848489d0dc)
Signed-off-by: Michael Roth <mdr...@linux.vnet.ibm.com>
---
hw/9pfs/9p.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/hw/9pfs/9p.c b/hw/9pfs/9p.c
index faebd91..68725b7 100644
--- a/hw/9pfs/9p.c
+++ b/hw/9pfs/9p.c
@@ -3521,7 +3521,7 @@ int v9fs_device_realize_common(V9fsState *s, Error **errp)
rc = 0;
out:
if (rc) {
- if (s->ops->cleanup && s->ctx.private) {
+ if (s->ops && s->ops->cleanup && s->ctx.private) {
s->ops->cleanup(&s->ctx);
}
g_free(s->tag);
--
2.7.4
