This removes a test for `val < 1' which would only have been triggered
when val < 0, due to a preceding test for 0.
Fixed by using an unsigned type for cwnd (as in TCP) instead.
Signed-off-by: Gerrit Renker <gerrit@xxxxxxxxxxxxxx>
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
net/dccp/ccids/ccid2.c | 11 +++--------
net/dccp/ccids/ccid2.h | 2 +-
2 files changed, 4 insertions(+), 9 deletions(-)
diff --git a/net/dccp/ccids/ccid2.c b/net/dccp/ccids/ccid2.c
index 3e4fa6b..5114a2d 100644
--- a/net/dccp/ccids/ccid2.c
+++ b/net/dccp/ccids/ccid2.c
@@ -179,16 +179,11 @@ static void ccid2_change_l_ack_ratio(struct sock *sk, int val)
dp->dccps_l_ack_ratio = val;
}
-static void ccid2_change_cwnd(struct ccid2_hc_tx_sock *hctx, int val)
+static void ccid2_change_cwnd(struct ccid2_hc_tx_sock *hctx, u32 val)
{
- if (val == 0)
- val = 1;
-
/* XXX do we need to change ack ratio? */
- ccid2_pr_debug("change cwnd to %d\n", val);
-
- BUG_ON(val < 1);
- hctx->ccid2hctx_cwnd = val;
+ hctx->ccid2hctx_cwnd = val? : 1;
+ ccid2_pr_debug("changed cwnd to %u\n", hctx->ccid2hctx_cwnd);
}
static void ccid2_change_srtt(struct ccid2_hc_tx_sock *hctx, long val)
diff --git a/net/dccp/ccids/ccid2.h b/net/dccp/ccids/ccid2.h
index ebd7949..d9daa53 100644
--- a/net/dccp/ccids/ccid2.h
+++ b/net/dccp/ccids/ccid2.h
@@ -50,7 +50,7 @@ struct ccid2_seq {
* @ccid2hctx_rpdupack - dupacks since rpseq
*/
struct ccid2_hc_tx_sock {
- int ccid2hctx_cwnd;
+ u32 ccid2hctx_cwnd;
int ccid2hctx_ssacks;
int ccid2hctx_acks;
unsigned int ccid2hctx_ssthresh;
--
1.5.2.2
-
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