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[Qemu-commits] [COMMIT fa0cfdf] vnc: Set invalid buffer pointers to NULL
From: |
Anthony Liguori |
Subject: |
[Qemu-commits] [COMMIT fa0cfdf] vnc: Set invalid buffer pointers to NULL |
Date: |
Mon, 05 Oct 2009 14:53:34 -0000 |
From: Stefan Weil <address@hidden>
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buffers are no longer valid, so set them to NULL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>
Signed-off-by: Anthony Liguori <address@hidden>
diff --git a/vnc.c b/vnc.c
index 592c9b3..42c92ed 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 */
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