Free "engine" resource in case of failure to prevent memory leak

PR: #778
Submitted by: George Mitchell <george@m5p.com>

diff --git a/crypto/engine/hw_cryptodev.c b/crypto/engine/hw_cryptodev.c
index 40af97ac248b3f504b2bf99d4b3d4c3394dbab4d..19b313ff816c252642899931593962e4bab43866 100644 (file)
--- a/crypto/engine/hw_cryptodev.c
+++ b/crypto/engine/hw_cryptodev.c
@@ -1054,14 +1054,17 @@ ENGINE_load_cryptodev(void)
 
        if (engine == NULL)
                return;
-       if ((fd = get_dev_crypto()) < 0)
+       if ((fd = get_dev_crypto()) < 0) {
+               ENGINE_free(engine);
                return;
+       }
 
        /*
         * find out what asymmetric crypto algorithms we support
         */
        if (ioctl(fd, CIOCASYMFEAT, &cryptodev_asymfeat) == -1) {
                close(fd);
+               ENGINE_free(engine);
                return;
        }
        close(fd);