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b43: debugfs SHM read buffer overrun fix
author
Michael Buesch
<mb@bu3sch.de>
Fri, 2 Nov 2007 17:35:02 +0000
(18:35 +0100)
committer
Jeff Garzik
<jeff@garzik.org>
Sat, 10 Nov 2007 09:25:12 +0000
(
04:25
-0500)
Fix possible buffer overrun.
Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
drivers/net/wireless/b43/debugfs.c
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diff --git
a/drivers/net/wireless/b43/debugfs.c
b/drivers/net/wireless/b43/debugfs.c
index 734e70e1a06d557411b0273d24cf3399d1c6f6be..ef0075d9f9cb81b323425baf56b18fd5523ac067 100644
(file)
--- a/
drivers/net/wireless/b43/debugfs.c
+++ b/
drivers/net/wireless/b43/debugfs.c
@@
-128,7
+128,7
@@
static ssize_t shm_read_file(struct b43_wldev *dev,
__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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