commit c8c12b6007b4249e1fbc67c94bb28b3ec2dadc3f
author Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com> Mon Jul 02 13:09:39 2018 +0200
committer Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com> Mon Jul 02 13:09:39 2018 +0200
tree b8ec2407e9f5374dcd2993cc86b24a337b9e5311
parent 78d7e8cbc78443660c1a4e4c94ac109edbddf368

Add NULL pointer check for consistency

Most other functions in this module have a similar check.

library/pk.c

diff --git a/library/pk.c b/library/pk.c
index c793fd8..ba8950e 100644
--- a/library/pk.c
+++ b/library/pk.c
@@ -206,8 +206,8 @@
 static int pk_restart_setup( mbedtls_pk_restart_ctx *ctx,
                                const mbedtls_pk_info_t *info )
 {
-    /* Don't do anything it already set up */
-    if( ctx->pk_info != NULL )
+    /* Don't do anything if already set up or invalid */
+    if( ctx == NULL || ctx->pk_info != NULL )
         return( 0 );
 
     /* Should never happen when we're called */