diff options
| author | Daniel P. Berrangé <berrange@redhat.com> | 2024-10-30 10:08:12 +0000 |
|---|---|---|
| committer | Daniel P. Berrangé <berrange@redhat.com> | 2024-11-05 18:37:18 +0000 |
| commit | bbd40a0e316bb06e1320d71fa3be7e2f3d62c7a9 (patch) | |
| tree | 796b53a3b76b002370924afbe8ad2faf1edbbd35 /crypto | |
| parent | d078da86d61cf0f188cd099bef9b7b2dcfeba5a7 (diff) | |
crypto: fix error check on gcry_md_open
Gcrypt does not return negative values on error, it returns non-zero
values. This caused QEMU not to detect failure to open an unsupported
hash, resulting in a later crash trying to use a NULL context.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Diffstat (limited to 'crypto')
| -rw-r--r-- | crypto/hash-gcrypt.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/crypto/hash-gcrypt.c b/crypto/hash-gcrypt.c index f04a9f553c..476b748195 100644 --- a/crypto/hash-gcrypt.c +++ b/crypto/hash-gcrypt.c @@ -52,7 +52,7 @@ static QCryptoHash *qcrypto_gcrypt_hash_new(QCryptoHashAlgo alg, Error **errp) { QCryptoHash *hash; - int ret; + gcry_error_t ret; hash = g_new(QCryptoHash, 1); hash->alg = alg; @@ -60,7 +60,7 @@ QCryptoHash *qcrypto_gcrypt_hash_new(QCryptoHashAlgo alg, Error **errp) ret = gcry_md_open((gcry_md_hd_t *) hash->opaque, qcrypto_hash_alg_map[alg], 0); - if (ret < 0) { + if (ret != 0) { error_setg(errp, "Unable to initialize hash algorithm: %s", gcry_strerror(ret)); |