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vnc: fix memory leak

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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>
This commit is contained in:
Gonglei 2015-07-22 17:08:53 +08:00 committed by Paolo Bonzini
parent 4bf1cb03fb
commit 60928458e5
1 changed files with 4 additions and 1 deletions
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5
ui/vnc.c
View file

@ -2520,7 +2520,7 @@ static int protocol_client_auth_vnc(VncState *vs, uint8_t *data, size_t len)
size_t i, pwlen;
unsigned char key[8];
time_t now = time(NULL);
QCryptoCipher *cipher;
QCryptoCipher *cipher = NULL;
Error *err = NULL;
if (!vs->vd->password) {
@ -2573,6 +2573,8 @@ static int protocol_client_auth_vnc(VncState *vs, uint8_t *data, size_t len)
start_client_init(vs);
}
qcrypto_cipher_free(cipher);
return 0;
reject:
@ -2584,6 +2586,7 @@ reject:
}
vnc_flush(vs);
vnc_client_error(vs);
qcrypto_cipher_free(cipher);
return 0;
}