[nftables] Fix some memory leaks

[Patrick McHardy]

Gitweb:		http://git.netfilter.org/cgi-bin/gitweb.cgi?p=nftables.git;a=commit;h=fc42681eb5872c1ddc3008b35c7c662a46efe8bb
commit fc42681eb5872c1ddc3008b35c7c662a46efe8bb
Author:     Patrick McHardy <kaber at trash.net>
AuthorDate: Fri Mar 20 17:42:55 2009 +0100
Commit:     Patrick McHardy <kaber at trash.net>
CommitDate: Fri Mar 20 17:42:55 2009 +0100

    Fix some memory leaks
    
    Free nested chain handles and command structures when done.
    
    Signed-off-by: Patrick McHardy <kaber at trash.net>
       via  fc42681eb5872c1ddc3008b35c7c662a46efe8bb (commit)
      from  7feffa0ed35e4125f272edded092b890234a794b (commit)

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not appeared on any other notification email; so we list those
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- Log -----------------------------------------------------------------
commit fc42681eb5872c1ddc3008b35c7c662a46efe8bb
Author: Patrick McHardy <kaber at trash.net>
Date:   Fri Mar 20 17:42:55 2009 +0100

    Fix some memory leaks
    
    Free nested chain handles and command structures when done.
    
    Signed-off-by: Patrick McHardy <kaber at trash.net>

-----------------------------------------------------------------------

 src/main.c   |    6 ++++--
 src/parser.y |    1 +
 2 files changed, 5 insertions(+), 2 deletions(-)
Free nested chain handles and command structures when done.

Signed-off-by: Patrick McHardy <kaber at trash.net>

diff --git a/src/main.c b/src/main.c
index 00f594f..3daa294 100644
--- a/src/main.c
+++ b/src/main.c
@@ -183,14 +183,16 @@ int main(int argc, char * const *argv)
 
 	{
 		struct netlink_ctx ctx;
-		struct cmd *cmd;
+		struct cmd *cmd, *next;
 
-		list_for_each_entry(cmd, &state.cmds, list) {
+		list_for_each_entry_safe(cmd, next, &state.cmds, list) {
 			memset(&ctx, 0, sizeof(ctx));
 			ctx.msgs = &msgs;
 			init_list_head(&ctx.list);
 			if (do_command(&ctx, cmd) < 0)
 				goto out;
+			list_del(&cmd->list);
+			cmd_free(cmd);
 		}
 	}
 out:
diff --git a/src/parser.y b/src/parser.y
index d9da115..90f9052 100644
--- a/src/parser.y
+++ b/src/parser.y
@@ -576,6 +576,7 @@ table_line		:	CHAIN		chain_identifier	chain_block_alloc
 	    					'{' 	chain_block	'}'
 	    		{
 				handle_merge(&$3->handle, &$2);
+				handle_free(&$2);
 				close_scope(state);
 				$$ = $3;
 			}