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[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 <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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1 changed files with 4 additions and 2 deletions
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@ -97,13 +97,15 @@ static inline int ccid_hc_tx_init(struct ccid *ccid, struct sock *sk)
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static inline void ccid_hc_rx_exit(struct ccid *ccid, struct sock *sk)
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{
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if (ccid->ccid_hc_rx_exit != NULL)
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if (ccid->ccid_hc_rx_exit != NULL &&
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dccp_sk(sk)->dccps_hc_rx_ccid_private != NULL)
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ccid->ccid_hc_rx_exit(sk);
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}
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static inline void ccid_hc_tx_exit(struct ccid *ccid, struct sock *sk)
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{
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if (ccid->ccid_hc_tx_exit != NULL)
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if (ccid->ccid_hc_tx_exit != NULL &&
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dccp_sk(sk)->dccps_hc_tx_ccid_private != NULL)
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ccid->ccid_hc_tx_exit(sk);
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}
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