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usrsock_server: coverity fix for access invalid index

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req->usockid maybe < 0 or > CONFIG_NET_USRSOCK_RPMSG_SERVER_NSOCKS,
if so , priv->pfds[req->usockid] will access invalid memory.

Signed-off-by: zhanghongyu <zhanghongyu@xiaomi.com>
This commit is contained in:
zhanghongyu 2023-05-30 22:06:49 +08:00 • committed by Xiang Xiao
parent 0ead147841
commit dd080773cc
1 changed files with 1 additions and 1 deletions
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2
drivers/usrsock/usrsock_rpmsg_server.c
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@ -494,7 +494,7 @@ out:
}
retr = usrsock_rpmsg_send_ack(ept, events, req->head.xid, ret);
if (retr >= 0 && events == 0)
if (retr >= 0 && (ret > 0 || ret == -EAGAIN) && events == 0)
{
usrsock_rpmsg_poll_setup(&priv->pfds[req->usockid],
priv->pfds[req->usockid].events | POLLOUT);