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[PATCH 3/7] b43legacy: fix possible buffer overrun in debugfs

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Fix possible buffer overrun.

The patch to b43 by Michael Buesch <mb@xxxxxxxxx> has been ported to
b43legacy.


Signed-off-by: Stefano Brivio <stefano.brivio@xxxxxxxxx>

----

Index: wireless-2.6/drivers/net/wireless/b43legacy/debugfs.c
===================================================================
--- wireless-2.6.orig/drivers/net/wireless/b43legacy/debugfs.c
+++ wireless-2.6/drivers/net/wireless/b43legacy/debugfs.c
@@ -124,7 +124,7 @@ static ssize_t shm_read_file(struct b43l
 	__le16 *le16buf = (__le16 *)buf;
 
 	for (i = 0; i < 0x1000; i++) {
-		if (bufsize <= 0)
+		if (bufsize < sizeof(tmp))
 			break;
 		tmp = b43legacy_shm_read16(dev, B43legacy_SHM_SHARED, 2 * i);
 		le16buf[i] = cpu_to_le16(tmp);



-- 
Ciao
Stefano

-- 
Ciao
Stefano
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