From: Roel Kluin <roel.kluin@gmail.com>
To: dcbw@redhat.com, libertas-dev@lists.infradead.org,
linux-wireless@vger.kernel.org,
Andrew Morton <akpm@linux-foundation.org>
Subject: [PATCH] libertas: Read outside array bounds
Date: Tue, 28 Jul 2009 09:59:47 +0200 [thread overview]
Message-ID: <4A6EAFF3.8050502@gmail.com> (raw)
reads bss->rates[j] before checking bounds of index, and should use
ARRAY_SIZE to determine the size of the array.
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
---
diff --git a/drivers/net/wireless/libertas/scan.c b/drivers/net/wireless/libertas/scan.c
index 601b542..6c95af3 100644
--- a/drivers/net/wireless/libertas/scan.c
+++ b/drivers/net/wireless/libertas/scan.c
@@ -5,6 +5,7 @@
* for sending scan commands to the firmware.
*/
#include <linux/types.h>
+#include <linux/kernel.h>
#include <linux/etherdevice.h>
#include <linux/if_arp.h>
#include <asm/unaligned.h>
@@ -876,7 +877,7 @@ static inline char *lbs_translate_scan(struct lbs_private *priv,
iwe.u.bitrate.disabled = 0;
iwe.u.bitrate.value = 0;
- for (j = 0; bss->rates[j] && (j < sizeof(bss->rates)); j++) {
+ for (j = 0; j < ARRAY_SIZE(bss->rates) && bss->rates[j]; j++) {
/* Bit rate given in 500 kb/s units */
iwe.u.bitrate.value = bss->rates[j] * 500000;
current_val = iwe_stream_add_value(info, start, current_val,
next reply other threads:[~2009-07-28 7:57 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-28 7:59 Roel Kluin [this message]
2009-07-28 8:13 ` [PATCH] libertas: Read outside array bounds Holger Schurig
2009-07-28 20:22 ` Dan Williams
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