From: Ian McDonald Date: Wed, 30 Aug 2006 00:50:19 +0000 (-0700) Subject: [DCCP]: Tidyup CCID3 list handling X-Git-Tag: v2.6.19-rc1~1272^2~93 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fc747e82b40ea50a62eb2aef55bedd4465607cb0;p=linux-2.6 [DCCP]: Tidyup CCID3 list handling As Arnaldo Carvalho de Melo points out I should be using list_entry in case the structure changes in future. Current code functions but is reliant on position and requires type cast. Noticed when doing this that I have one more variable than I needed so removing that also. Signed off by: Ian McDonald Signed-off-by: David S. Miller --- diff --git a/net/dccp/ccids/ccid3.c b/net/dccp/ccids/ccid3.c index 090bc39e81..195aa95662 100644 --- a/net/dccp/ccids/ccid3.c +++ b/net/dccp/ccids/ccid3.c @@ -900,7 +900,7 @@ found: static void ccid3_hc_rx_update_li(struct sock *sk, u64 seq_loss, u8 win_loss) { struct ccid3_hc_rx_sock *hcrx = ccid3_hc_rx_sk(sk); - struct dccp_li_hist_entry *next, *head; + struct dccp_li_hist_entry *head; u64 seq_temp; if (list_empty(&hcrx->ccid3hcrx_li_hist)) { @@ -908,15 +908,15 @@ static void ccid3_hc_rx_update_li(struct sock *sk, u64 seq_loss, u8 win_loss) &hcrx->ccid3hcrx_li_hist, seq_loss, win_loss)) return; - next = (struct dccp_li_hist_entry *) - hcrx->ccid3hcrx_li_hist.next; - next->dccplih_interval = ccid3_hc_rx_calc_first_li(sk); + head = list_entry(hcrx->ccid3hcrx_li_hist.next, + struct dccp_li_hist_entry, dccplih_node); + head->dccplih_interval = ccid3_hc_rx_calc_first_li(sk); } else { struct dccp_li_hist_entry *entry; struct list_head *tail; - head = (struct dccp_li_hist_entry *) - hcrx->ccid3hcrx_li_hist.next; + head = list_entry(hcrx->ccid3hcrx_li_hist.next, + struct dccp_li_hist_entry, dccplih_node); /* FIXME win count check removed as was wrong */ /* should make this check with receive history */ /* and compare there as per section 10.2 of RFC4342 */