ima-evm-utils: fix memory leak in ima_calc_hash

index 6070614..dccb74c 100644
@@ -322,12 +322,6 @@ int ima_calc_hash(const char *file, uint8_t *hash)
 	EVP_MD_CTX *pctx;
 	unsigned int mdlen;
 	int err;
-#if OPENSSL_VERSION_NUMBER < 0x10100000
-	EVP_MD_CTX ctx;
-	pctx = &ctx;
-#else
-	pctx = EVP_MD_CTX_new();
-#endif
 
 	/*  Need to know the file length */
 	err = lstat(file, &st);

@@ -342,9 +336,11 @@ int ima_calc_hash(const char *file, uint8_t *hash)
 		return 1;
 	}
 
+	pctx = EVP_MD_CTX_new();
 	err = EVP_DigestInit(pctx, md);
 	if (!err) {
 		log_err("EVP_DigestInit() failed\n");
+		EVP_MD_CTX_free(pctx);
 		return 1;
 	}
 

@@ -364,18 +360,21 @@ int ima_calc_hash(const char *file, uint8_t *hash)
 		break;
 	default:
 		log_errno("Unsupported file type");
+		EVP_MD_CTX_free(pctx);
 		return -1;
 	}
 
-	if (err)
+	if (err) {
+		EVP_MD_CTX_free(pctx);
 		return err;
+	}
 
 	err = EVP_DigestFinal(pctx, hash, &mdlen);
+	EVP_MD_CTX_free(pctx);
 	if (!err) {
 		log_err("EVP_DigestFinal() failed\n");
 		return 1;
 	}
-
 	return mdlen;
 }