linux-kernel - [019/139] iwlwifi: range checking issue

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Message-Id: <20100422195406.618676856@kvm.kroah.org>
Date:	Thu, 22 Apr 2010 12:53:16 -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,
	Dan Carpenter <error27@...il.com>, Zhu Yi <yi.zhu@...el.com>,
	"John W. Linville" <linville@...driver.com>
Subject: [019/139] iwlwifi: range checking issue

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

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

From: Dan Carpenter <error27@...il.com>

commit 8e1a53c615e8efe0fac670f2973da64758748a8a upstream.

IWL_RATE_COUNT is 13 and IWL_RATE_COUNT_LEGACY is 12.

IWL_RATE_COUNT_LEGACY is the right one here because iwl3945_rates
doesn't support 60M and also that's how "rates" is defined in
iwlcore_init_geos() from drivers/net/wireless/iwlwifi/iwl-core.c.

        rates = kzalloc((sizeof(struct ieee80211_rate) * IWL_RATE_COUNT_LEGACY),
                        GFP_KERNEL);

Signed-off-by: Dan Carpenter <error27@...il.com>
Acked-by: Zhu Yi <yi.zhu@...el.com>
Signed-off-by: John W. Linville <linville@...driver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 drivers/net/wireless/iwlwifi/iwl3945-base.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -1926,7 +1926,7 @@ static void iwl3945_init_hw_rates(struct
 {
 	int i;
 
-	for (i = 0; i < IWL_RATE_COUNT; i++) {
+	for (i = 0; i < IWL_RATE_COUNT_LEGACY; i++) {
 		rates[i].bitrate = iwl3945_rates[i].ieee * 5;
 		rates[i].hw_value = i; /* Rate scaling will work on indexes */
 		rates[i].hw_value_short = i;


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