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| author | Stefan Weil <sw@weilnetz.de> | 2012-09-04 23:20:36 +0200 |
|---|---|---|
| committer | Jan Kiszka <jan.kiszka@siemens.com> | 2012-09-13 12:38:14 +0200 |
| commit | e56afbc54a2132c56931f44bae1992c28119944f (patch) | |
| tree | 273ecb5aa08426332d4a7626b8dc9a179307fc8a /slirp | |
| parent | c4d12a743c73a5b88a8705ca68ff620ce0f8bba7 (diff) | |
| download | qemu-e56afbc54a2132c56931f44bae1992c28119944f.tar.gz qemu-e56afbc54a2132c56931f44bae1992c28119944f.tar.bz2 qemu-e56afbc54a2132c56931f44bae1992c28119944f.zip | |
slirp: Fix error reported by static code analysis
Report from smatch:
slirp/tcp_subr.c:127 tcp_respond(17) error:
we previously assumed 'tp' could be null (see line 124)
Return if 'tp' is NULL.
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Diffstat (limited to 'slirp')
| -rw-r--r-- | slirp/tcp_subr.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/slirp/tcp_subr.c b/slirp/tcp_subr.c index 5890d7a827..1542e43619 100644 --- a/slirp/tcp_subr.c +++ b/slirp/tcp_subr.c @@ -124,7 +124,7 @@ tcp_respond(struct tcpcb *tp, struct tcpiphdr *ti, struct mbuf *m, if (tp) win = sbspace(&tp->t_socket->so_rcv); if (m == NULL) { - if ((m = m_get(tp->t_socket->slirp)) == NULL) + if (!tp || (m = m_get(tp->t_socket->slirp)) == NULL) return; tlen = 0; m->m_data += IF_MAXLINKHDR; |