Restore vbuf value after modification
Signed-off-by: Werner Lewis <werner.lewis@arm.com>
diff --git a/tests/suites/test_suite_ecp.function b/tests/suites/test_suite_ecp.function
index 3ad7e71..42d69b4 100644
--- a/tests/suites/test_suite_ecp.function
+++ b/tests/suites/test_suite_ecp.function
@@ -873,6 +873,7 @@
TEST_EQUAL( mbedtls_ecp_tls_read_group_id( &read_g_id, &vbuf, olen ),
0 );
TEST_EQUAL( read_g_id, id );
+ vbuf = buf;
TEST_EQUAL( mbedtls_ecp_tls_read_group( &grp_read, &vbuf, olen ),
0 );
TEST_EQUAL( grp_read.id, id );