[PATCH 10/10] dccp: ccid2.c, ccid3.c use clamp(), clamp_t()

From: Harvey Harrison
Date: Fri Mar 14 2008 - 01:22:52 EST


Makes the intention of the nested min/max clear.

Signed-off-by: Harvey Harrison <harvey.harrison@xxxxxxxxx>
---
net/dccp/ccids/ccid2.c | 2 +-
net/dccp/ccids/ccid3.c | 4 ++--
2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/net/dccp/ccids/ccid2.c b/net/dccp/ccids/ccid2.c
index b5b52eb..8e95808 100644
--- a/net/dccp/ccids/ccid2.c
+++ b/net/dccp/ccids/ccid2.c
@@ -716,7 +716,7 @@ static int ccid2_hc_tx_init(struct ccid *ccid, struct sock *sk)
* packets for new connections, following the rules from [RFC3390]".
* We need to convert the bytes of RFC3390 into the packets of RFC 4341.
*/
- hctx->ccid2hctx_cwnd = min(4U, max(2U, 4380U / dp->dccps_mss_cache));
+ hctx->ccid2hctx_cwnd = clamp(4380U / dp->dccps_mss_cache, 2U, 4U);

/* Make sure that Ack Ratio is enabled and within bounds. */
max_ratio = DIV_ROUND_UP(hctx->ccid2hctx_cwnd, 2);
diff --git a/net/dccp/ccids/ccid3.c b/net/dccp/ccids/ccid3.c
index e76f460..cd61dea 100644
--- a/net/dccp/ccids/ccid3.c
+++ b/net/dccp/ccids/ccid3.c
@@ -88,8 +88,8 @@ static void ccid3_hc_tx_set_state(struct sock *sk,
static inline u64 rfc3390_initial_rate(struct sock *sk)
{
const struct ccid3_hc_tx_sock *hctx = ccid3_hc_tx_sk(sk);
- const __u32 w_init = min_t(__u32, 4 * hctx->ccid3hctx_s,
- max_t(__u32, 2 * hctx->ccid3hctx_s, 4380));
+ const __u32 w_init = clamp_t(__u32, 4380U,
+ 2 * hctx->ccid3hctx_s, 4 * hctx->ccid3hctx_s);

return scaled_div(w_init << 6, hctx->ccid3hctx_rtt);
}
--
1.5.4.4.653.g7cf1e

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