Module: xenomai-forge
Branch: master
Commit: b55c7d7c4985a85fbfa1a23e6042fac96a0da830
URL:
http://git.xenomai.org/?p=xenomai-forge.git;a=commit;h=b55c7d7c4985a85fbfa1a23e6042fac96a0da830
Author: Philippe Gerum <r...@xenomai.org>
Date: Mon Nov 7 13:10:30 2011 +0100
alchemy/queue: fix buffer leakage on unmatched broadcast write
---
lib/alchemy/queue.c | 6 +++++-
1 files changed, 5 insertions(+), 1 deletions(-)
diff --git a/lib/alchemy/queue.c b/lib/alchemy/queue.c
index 64e19ae..8bad9fe 100644
--- a/lib/alchemy/queue.c
+++ b/lib/alchemy/queue.c
@@ -312,6 +312,7 @@ int rt_queue_write(RT_QUEUE *queue,
const void *buf, size_t size, int mode)
{
void *_buf;
+ int ret;
_buf = rt_queue_alloc(queue, size);
if (_buf == NULL)
@@ -320,7 +321,10 @@ int rt_queue_write(RT_QUEUE *queue,
if (size > 0)
memcpy(_buf, buf, size);
- return rt_queue_send(queue, _buf, size, mode);
+ ret = rt_queue_send(queue, _buf, size, mode);
+ if (ret == 0 && (mode & Q_BROADCAST))
+ /* Nobody received, free the temp buffer. */
+ rt_queue_free(queue, _buf);
}
ssize_t rt_queue_receive_until(RT_QUEUE *queue,
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