From 012e13eac7579fcc7618df4ca1d5af3cdc03748c Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Tue, 23 Aug 2005 21:51:13 -0700 Subject: [PATCH] [CCID]: Make ccid_hc_[rt]x_exit accept NULL arguments Just like kfree, etc it will just not call the CCID exit routines when the private data area is set to NULL. Signed-off-by: Arnaldo Carvalho de Melo Signed-off-by: David S. Miller --- net/dccp/ccid.h | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/net/dccp/ccid.h b/net/dccp/ccid.h index 95eb47d8551..c6767b28224 100644 --- a/net/dccp/ccid.h +++ b/net/dccp/ccid.h @@ -97,13 +97,15 @@ static inline int ccid_hc_tx_init(struct ccid *ccid, struct sock *sk) static inline void ccid_hc_rx_exit(struct ccid *ccid, struct sock *sk) { - if (ccid->ccid_hc_rx_exit != NULL) + if (ccid->ccid_hc_rx_exit != NULL && + dccp_sk(sk)->dccps_hc_rx_ccid_private != NULL) ccid->ccid_hc_rx_exit(sk); } static inline void ccid_hc_tx_exit(struct ccid *ccid, struct sock *sk) { - if (ccid->ccid_hc_tx_exit != NULL) + if (ccid->ccid_hc_tx_exit != NULL && + dccp_sk(sk)->dccps_hc_tx_ccid_private != NULL) ccid->ccid_hc_tx_exit(sk); } -- 2.20.1