vnc: fix memory leak
If vnc's password is configured, it will leak memory which cipher variable pointed on every vnc connection. Cc: Daniel P. Berrange <berrange@redhat.com> Reviewed-by: Daniel P. Berrange <berrange@redhat.com> Signed-off-by: Gonglei <arei.gonglei@huawei.com> Message-Id: <1437556133-11268-1-git-send-email-arei.gonglei@huawei.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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ui/vnc.c
5
ui/vnc.c
@ -2520,7 +2520,7 @@ static int protocol_client_auth_vnc(VncState *vs, uint8_t *data, size_t len)
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size_t i, pwlen;
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unsigned char key[8];
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time_t now = time(NULL);
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QCryptoCipher *cipher;
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QCryptoCipher *cipher = NULL;
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Error *err = NULL;
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if (!vs->vd->password) {
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@ -2573,6 +2573,8 @@ static int protocol_client_auth_vnc(VncState *vs, uint8_t *data, size_t len)
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start_client_init(vs);
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}
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qcrypto_cipher_free(cipher);
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return 0;
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reject:
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@ -2584,6 +2586,7 @@ reject:
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}
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vnc_flush(vs);
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vnc_client_error(vs);
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qcrypto_cipher_free(cipher);
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return 0;
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}
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