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-rw-r--r--net/dccp/diag.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/net/dccp/diag.c b/net/dccp/diag.c
index 652a1b6..b21f261 100644
--- a/net/dccp/diag.c
+++ b/net/dccp/diag.c
@@ -32,8 +32,11 @@ static void dccp_get_info(struct sock *sk, struct tcp_info *info)
if (dp->dccps_hc_rx_ackvec != NULL)
info->tcpi_options |= TCPI_OPT_SACK;
- ccid_hc_rx_get_info(dp->dccps_hc_rx_ccid, sk, info);
- ccid_hc_tx_get_info(dp->dccps_hc_tx_ccid, sk, info);
+ if (dp->dccps_hc_rx_ccid != NULL)
+ ccid_hc_rx_get_info(dp->dccps_hc_rx_ccid, sk, info);
+
+ if (dp->dccps_hc_tx_ccid != NULL)
+ ccid_hc_tx_get_info(dp->dccps_hc_tx_ccid, sk, info);
}
static void dccp_diag_get_info(struct sock *sk, struct inet_diag_msg *r,
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