[GNUnet-SVN] [gnunet] branch master updated: fix crash if block plugin not found

[gnunet]

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grothoff pushed a commit to branch master
in repository gnunet.

The following commit(s) were added to refs/heads/master by this push:
     new e15ee8365 fix crash if block plugin not found
e15ee8365 is described below

commit e15ee8365a5eb40aaf2448c4f649af30297d6817
Author: Christian Grothoff <address@hidden>
AuthorDate: Sun Jun 25 00:42:25 2017 +0200

    fix crash if block plugin not found
---
 src/block/block.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/block/block.c b/src/block/block.c
index 4b6f3826d..bbf45477c 100644
--- a/src/block/block.c
+++ b/src/block/block.c
@@ -151,10 +151,9 @@ GNUNET_BLOCK_context_create (const struct 
GNUNET_CONFIGURATION_Handle *cfg)
 void
 GNUNET_BLOCK_context_destroy (struct GNUNET_BLOCK_Context *ctx)
 {
-  unsigned int i;
   struct Plugin *plugin;
 
-  for (i = 0; i < ctx->num_plugins; i++)
+  for (unsigned int i = 0; i < ctx->num_plugins; i++)
   {
     plugin = ctx->plugins[i];
     GNUNET_break (NULL ==
@@ -301,6 +300,8 @@ GNUNET_BLOCK_group_create (struct GNUNET_BLOCK_Context *ctx,
 
   plugin = find_plugin (ctx,
                         type);
+  if (NULL == plugin)
+    return NULL;
   if (NULL == plugin->create_group)
     return NULL;
   va_start (ap,

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