Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=30c4ae42317666f3aeed658cdb8803c84ac6fe77
Commit:     30c4ae42317666f3aeed658cdb8803c84ac6fe77
Parent:     80fda03fc8b5cd09c3e0e90725ef9bcb2a5c7b30
Author:     Michael Buesch <[EMAIL PROTECTED]>
AuthorDate: Fri Nov 2 18:35:02 2007 +0100
Committer:  Jeff Garzik <[EMAIL PROTECTED]>
CommitDate: Sat Nov 10 04:25:12 2007 -0500

    b43: debugfs SHM read buffer overrun fix
    
    Fix possible buffer overrun.
    
    Signed-off-by: Michael Buesch <[EMAIL PROTECTED]>
    Signed-off-by: John W. Linville <[EMAIL PROTECTED]>
---
 drivers/net/wireless/b43/debugfs.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/net/wireless/b43/debugfs.c 
b/drivers/net/wireless/b43/debugfs.c
index 734e70e..ef0075d 100644
--- 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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