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crypto: fix builtin qcrypto_cipher_free

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This was dereferencing a pointer before checking if it was NULL.

Reported-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reported-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2015-07-09 16:52:48 +02:00
parent d09a6fde15
commit 4f4f6976d8
1 changed files with 3 additions and 1 deletions
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4
crypto/cipher-builtin.c
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@ -354,11 +354,13 @@ QCryptoCipher *qcrypto_cipher_new(QCryptoCipherAlgorithm alg,
void qcrypto_cipher_free(QCryptoCipher *cipher)
{
QCryptoCipherBuiltin *ctxt = cipher->opaque;
QCryptoCipherBuiltin *ctxt;
if (!cipher) {
return;
}
ctxt = cipher->opaque;
ctxt->free(cipher);
g_free(cipher);
}