linux-kernel - [48/90] drivers/net/niu.c: adjust array index

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Message-Id: <20110812210556.314378286@clark.kroah.org>
Date:	Fri, 12 Aug 2011 14:04:33 -0700
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...nel.org
Cc:	stable-review@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Julia Lawall <julia@...u.dk>,
	"David S. Miller" <davem@...emloft.net>
Subject: [48/90] drivers/net/niu.c: adjust array index

3.0-stable review patch.  If anyone has any objections, please let us know.

------------------


From: Julia Lawall <julia@...u.dk>

[ Upstream commit 956837f7c954443f426a82ba6f17b33488cf9a0c ]

Convert array index from the loop bound to the loop index.

A simplified version of the semantic patch that fixes this problem is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@@
expression e1,e2,ar;
@@

for(e1 = 0; e1 < e2; e1++) { <...
  ar[
- e2
+ e1
  ]
  ...> }
// </smpl>

Signed-off-by: Julia Lawall <julia@...u.dk>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>
---
 drivers/net/niu.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/net/niu.c
+++ b/drivers/net/niu.c
@@ -9196,7 +9196,7 @@ static int __devinit niu_ldg_init(struct
 
 	first_chan = 0;
 	for (i = 0; i < port; i++)
-		first_chan += parent->rxchan_per_port[port];
+		first_chan += parent->rxchan_per_port[i];
 	num_chan = parent->rxchan_per_port[port];
 
 	for (i = first_chan; i < (first_chan + num_chan); i++) {
@@ -9212,7 +9212,7 @@ static int __devinit niu_ldg_init(struct
 
 	first_chan = 0;
 	for (i = 0; i < port; i++)
-		first_chan += parent->txchan_per_port[port];
+		first_chan += parent->txchan_per_port[i];
 	num_chan = parent->txchan_per_port[port];
 	for (i = first_chan; i < (first_chan + num_chan); i++) {
 		err = niu_ldg_assign_ldn(np, parent,


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