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* [PATCH net-next-2.6] rps: inet_rps_save_rxhash() argument is not const
@ 2010-04-27 12:42 Eric Dumazet
  2010-04-27 19:56 ` David Miller
  0 siblings, 1 reply; 2+ messages in thread
From: Eric Dumazet @ 2010-04-27 12:42 UTC (permalink / raw)
  To: David Miller; +Cc: netdev

const qualifier on sock argument is misleading, since we can modify rxhash.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
---
diff --git a/include/net/inet_sock.h b/include/net/inet_sock.h
index b487bc1..c1d4295 100644
--- a/include/net/inet_sock.h
+++ b/include/net/inet_sock.h
@@ -248,7 +248,7 @@ static inline void inet_rps_reset_flow(const struct sock *sk)
 #endif
 }
 
-static inline void inet_rps_save_rxhash(const struct sock *sk, u32 rxhash)
+static inline void inet_rps_save_rxhash(struct sock *sk, u32 rxhash)
 {
 #ifdef CONFIG_RPS
 	if (unlikely(inet_sk(sk)->rxhash != rxhash)) {



^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH net-next-2.6] rps: inet_rps_save_rxhash() argument is not const
  2010-04-27 12:42 [PATCH net-next-2.6] rps: inet_rps_save_rxhash() argument is not const Eric Dumazet
@ 2010-04-27 19:56 ` David Miller
  0 siblings, 0 replies; 2+ messages in thread
From: David Miller @ 2010-04-27 19:56 UTC (permalink / raw)
  To: eric.dumazet; +Cc: netdev

From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Tue, 27 Apr 2010 14:42:51 +0200

> const qualifier on sock argument is misleading, since we can modify rxhash.
> 
> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>

Applied.

It's a shame that because of the cast the compiler can't see this.
Instead it would be nice if the compiler only allowed casts from
a const pointer to another const pointer.

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2010-04-27 12:42 [PATCH net-next-2.6] rps: inet_rps_save_rxhash() argument is not const Eric Dumazet
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