Fix possible buffer overrun.
Signed-off-by: Michael Buesch <mb@xxxxxxxxx>
---
We are searching a new b43legacy maintainer.
So if someone is interested in this job, please start with porting
this easy patch to b43legacy. ;)
Index: wireless-2.6/drivers/net/wireless/b43/debugfs.c
===================================================================
--- wireless-2.6.orig/drivers/net/wireless/b43/debugfs.c 2007-11-02 18:26:55.000000000 +0100
+++ wireless-2.6/drivers/net/wireless/b43/debugfs.c 2007-11-02 18:28:24.000000000 +0100
@@ -128,7 +128,7 @@ static ssize_t shm_read_file(struct b43_
__le16 *le16buf = (__le16 *)buf;
for (i = 0; i < 0x1000; i++) {
- if (bufsize <= 0)
+ if (bufsize < sizeof(tmp))
break;
tmp = b43_shm_read16(dev, B43_SHM_SHARED, 2 * i);
le16buf[i] = cpu_to_le16(tmp);
-
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