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From: Boaz Harrosh <bharrosh@panasas.com>
To: Ingo Molnar <mingo@elte.hu>,
	Rusty Russell <rusty@rustcorp.com.au>,
	"David S. Miller" <davem@davemloft.net>,
	Ivo van Doorn <IvDoorn@gmail.com>,
	"John W. Linville" <linville@tuxdriver.com>
Cc: Alexey Dobriyan <adobriyan@gmail.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Theodore Tso <tytso@mit.edu>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Jan Beulich <jbeulich@novell.com>,
	linux-kernel <linux-kernel@vger.kernel.org>
Subject: [PATCH 2/5] net/niu: Fix none-const BUILD_BUG_ON usage
Date: Mon, 01 Sep 2008 16:11:24 +0300	[thread overview]
Message-ID: <48BBE9FC.9080702@panasas.com> (raw)
In-Reply-To: <48BBE77D.7070007@panasas.com>


It would be easy to constify the expression but I have removed
the BUILD_BUG_ON. (Left the useful comment though). Since
it has no point here, a BUILD_BUG_ON is used when two
inter-dependent but separate pieces of code must match. which
is not the case here.

Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
CC: David S. Miller <davem@davemloft.net>
---
 drivers/net/niu.c |    8 +++-----
 1 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/net/niu.c b/drivers/net/niu.c
index e4765b7..b517d0c 100644
--- a/drivers/net/niu.c
+++ b/drivers/net/niu.c
@@ -5135,17 +5135,15 @@ static void niu_init_tx_mac(struct niu *np)
 {
 	u64 min, max;
 
+	/* NOTE: XMAC_MIN register only accepts values for TX min which
+	 * have the low 3 bits cleared.
+	 */
 	min = 64;
 	if (np->dev->mtu > ETH_DATA_LEN)
 		max = 9216;
 	else
 		max = 1522;
 
-	/* The XMAC_MIN register only accepts values for TX min which
-	 * have the low 3 bits cleared.
-	 */
-	BUILD_BUG_ON(min & 0x7);
-
 	if (np->flags & NIU_FLAGS_XMAC)
 		niu_init_tx_xmac(np, min, max);
 	else
-- 
1.5.6.rc1.5.gadf6



  parent reply	other threads:[~2008-09-01 13:12 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-09-01 13:00 [PATCHSET 0/5] BUILD_BUG_ON: error on none-const expressions Boaz Harrosh
2008-09-01 13:07 ` [PATCH] debug, x86: move BUILD_BUG_ON() ARRAY_SIZE and __FUNCTION__ Boaz Harrosh
2008-09-01 13:11 ` Boaz Harrosh [this message]
2008-09-01 13:13 ` [PATCH 3/5] virtio: Fix none-const BUILD_BUG_ON usage Boaz Harrosh
2008-09-02 15:53   ` [PATCH 3/5 ver2] virtio: Fix non-const " Boaz Harrosh
2008-09-01 13:21 ` [PATCH 4/5] rt2x00: Compiler warning unmasked by fix of BUILD_BUG_ON Boaz Harrosh
2008-09-01 13:27   ` Ivo Van Doorn
2008-09-01 13:27   ` Benny Halevy
2008-09-01 13:44   ` [PATCH 4/5 ver2] " Boaz Harrosh
2008-09-01 14:01     ` Ivo Van Doorn
2008-09-01 15:17       ` Boaz Harrosh
2008-09-01 16:34         ` Ivo van Doorn
2008-09-02 14:20           ` Boaz Harrosh
2008-09-02 14:27             ` Ivo van Doorn
2008-09-02 15:55   ` Boaz Harrosh
2008-09-01 13:28 ` [PATCH 5/5] debug: BUILD_BUG_ON: error on non-const expressions Boaz Harrosh
2008-09-01 13:55   ` Jan Beulich
2008-09-01 14:21     ` Boaz Harrosh
2008-09-01 14:36       ` Jan Beulich
2008-09-01 15:00         ` Boaz Harrosh
2008-09-01 15:29           ` Jan Beulich
2008-09-01 16:41             ` Boaz Harrosh
2008-09-02  7:47               ` Jan Beulich
2008-09-02 15:19                 ` Boaz Harrosh
2008-09-02 15:57   ` [PATCH 5/5 ver2] " Boaz Harrosh
2008-09-02 16:06     ` Boaz Harrosh
2008-09-02 16:11     ` Jan Beulich
2008-09-03  8:57       ` Boaz Harrosh
2008-09-03 10:19         ` Jan Beulich
2008-09-03 10:52           ` Boaz Harrosh
2008-10-02  5:35     ` Rusty Russell
2008-10-05  9:34       ` Boaz Harrosh
2008-09-02 16:07   ` [PATCH 5/5 ver3] " Boaz Harrosh
2008-09-06 16:01 ` [PATCHSET 0/5] BUILD_BUG_ON: error on none-const expressions Ingo Molnar

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