diff options
| author | Stefan Weil <weil@mail.berlios.de> | 2009-09-19 21:00:09 +0200 |
|---|---|---|
| committer | Anthony Liguori <aliguori@us.ibm.com> | 2009-10-05 09:32:52 -0500 |
| commit | fa0cfdf24a75f3e6aa6c8b6efcbebd09e7f054aa (patch) | |
| tree | 554a8ce3a88f8a58354fdf00667509045192d94f | |
| parent | 7f1e9d4e138f5baf1e862a1221ba13eee7dcce9e (diff) | |
| download | focaccia-qemu-fa0cfdf24a75f3e6aa6c8b6efcbebd09e7f054aa.tar.gz focaccia-qemu-fa0cfdf24a75f3e6aa6c8b6efcbebd09e7f054aa.zip | |
vnc: Set invalid buffer pointers to NULL
After qemu_free, the pointers for input and output buffers are no longer valid, so set them to NULL (most other calls of qemu_free in vnc.c use this pattern, too). Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
| -rw-r--r-- | vnc.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/vnc.c b/vnc.c index 592c9b3987..42c92ed36b 100644 --- a/vnc.c +++ b/vnc.c @@ -894,8 +894,14 @@ static void vnc_disconnect_start(VncState *vs) static void vnc_disconnect_finish(VncState *vs) { - if (vs->input.buffer) qemu_free(vs->input.buffer); - if (vs->output.buffer) qemu_free(vs->output.buffer); + if (vs->input.buffer) { + qemu_free(vs->input.buffer); + vs->input.buffer = NULL; + } + if (vs->output.buffer) { + qemu_free(vs->output.buffer); + vs->output.buffer = NULL; + } #ifdef CONFIG_VNC_TLS vnc_tls_client_cleanup(vs); #endif /* CONFIG_VNC_TLS */ |