linux-kernel - [PATCH 4/6] drivers/staging/ath6kl/miscdrv/ar3kps/ar3kpsparser.c: adjust array index

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Date:	Thu, 28 Jul 2011 14:46:04 +0200
From:	Julia Lawall <julia@...u.dk>
To:	"Luis R. Rodriguez" <mcgrof@...il.com>
Cc:	kernel-janitors@...r.kernel.org, Naveen Singh <nsingh@...eros.com>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Joe Perches <joe@...ches.com>,
	Vipin Mehta <vipin.mehta@...eros.com>,
	Andy Shevchenko <andy.shevchenko@...il.com>,
	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: [PATCH 4/6] drivers/staging/ath6kl/miscdrv/ar3kps/ar3kpsparser.c: adjust array index

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

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>

---
Not tested.

 drivers/staging/ath6kl/miscdrv/ar3kps/ar3kpsparser.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff -u -p a/drivers/staging/ath6kl/miscdrv/ar3kps/ar3kpsparser.c b/drivers/staging/ath6kl/miscdrv/ar3kps/ar3kpsparser.c
--- a/drivers/staging/ath6kl/miscdrv/ar3kps/ar3kpsparser.c
+++ b/drivers/staging/ath6kl/miscdrv/ar3kps/ar3kpsparser.c
@@ -812,7 +812,7 @@ int AthCreateCommandList(struct ps_cmd_p
     for(count = 0; count < Patch_Count; count++) {
 
         AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("Freeing Patch Buffer %d \r\n",count));
-        kfree(RamPatch[Patch_Count].Data);
+	kfree(RamPatch[count].Data);
     }
 
     for(count = 0; count < Tag_Count; count++) {

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