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[Qemu-devel] [PATCH] vnc: Set invalid buffer pointers to NULL
From: |
Stefan Weil |
Subject: |
[Qemu-devel] [PATCH] vnc: Set invalid buffer pointers to NULL |
Date: |
Sat, 19 Sep 2009 21:00:09 +0200 |
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buffers are no longer valid, so set them to NULL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 <address@hidden>
---
vnc.c | 10 ++++++++--
1 files changed, 8 insertions(+), 2 deletions(-)
diff --git a/vnc.c b/vnc.c
index 5eaef6a..433b514 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 */
--
1.5.6.5
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