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net: tcp: Add DEBUGASSERT() in psock_tcp_send()

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Summary:
- This commit adds DEBUGASSERT() to check the IOB size

Impact:
- None

Testing:
- Tested with sabre-6quad:netnsh with QEMU

Signed-off-by: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>
This commit is contained in:
Masayuki Ishikawa 2021-01-29 13:34:52 +09:00 committed by Xiang Xiao
parent 07e7ccb80c
commit ec8bf5c8c1
1 changed files with 5 additions and 0 deletions
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5
net/tcp/tcp_send_buffered.c
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@ -1144,6 +1144,11 @@ ssize_t psock_tcp_send(FAR struct socket *psock, FAR const void *buf,
*/ */
blresult = net_breaklock(&count); blresult = net_breaklock(&count);
/* NOTE: At least IOB needs to hold the packet */
DEBUGASSERT((CONFIG_IOB_NBUFFERS * CONFIG_IOB_BUFSIZE) > len);
result = TCP_WBCOPYIN(wrb, (FAR uint8_t *)buf, len); result = TCP_WBCOPYIN(wrb, (FAR uint8_t *)buf, len);
if (blresult >= 0) if (blresult >= 0)
{ {