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authorArnaldo Carvalho de Melo <acme@ghostprotocols.net>2005-10-11 06:24:20 +0200
committerDavid S. Miller <davem@davemloft.net>2005-10-11 06:24:20 +0200
commit777b25a2fea7129222eb11fba55c0a67982383ff (patch)
tree51e4a429fc09a8401371e47db9845d119408e576 /net/dccp
parent[NETFILTER] ctnetlink: add support to change protocol info (diff)
downloadlinux-777b25a2fea7129222eb11fba55c0a67982383ff.tar.xz
linux-777b25a2fea7129222eb11fba55c0a67982383ff.zip
[CCID]: Check if ccid is NULL in the hc_[tr]x_exit functions
For consistency with ccid_exit and to fix a bug when IP_DCCP_UNLOAD_HACK is enabled as the control sock is not associated to any CCID. Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/dccp')
-rw-r--r--net/dccp/ccid.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/dccp/ccid.h b/net/dccp/ccid.h
index 21e55142dcd3..c37eeeaf5c6e 100644
--- a/net/dccp/ccid.h
+++ b/net/dccp/ccid.h
@@ -110,14 +110,14 @@ 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 != NULL && 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 != NULL && ccid->ccid_hc_tx_exit != NULL &&
dccp_sk(sk)->dccps_hc_tx_ccid_private != NULL)
ccid->ccid_hc_tx_exit(sk);
}