char/tpm: Fix unitialized usage of data buffer
commit41385335037eacc75754297216191d0a1a32dcc7
authorPeter Huewe <huewe.external.infineon@googlemail.com>
Tue, 29 Mar 2011 11:31:25 +0000 (29 13:31 +0200)
committerWilly Tarreau <w@1wt.eu>
Sat, 30 Apr 2011 14:53:30 +0000 (30 16:53 +0200)
tree371dc88a36e643000cffcc8a31e4f22cb5e3d53f
parent016ffb1cea138dc2c9b996ecc18780d0103b4597
char/tpm: Fix unitialized usage of data buffer

commit 1309d7afbed112f0e8e90be9af975550caa0076b upstream.

This patch fixes information leakage to the userspace by initializing
the data buffer to zero.

Reported-by: Peter Huewe <huewe.external@infineon.com>
Signed-off-by: Peter Huewe <huewe.external@infineon.com>
Signed-off-by: Marcel Selhorst <m.selhorst@sirrix.com>
[ Also removed the silly "* sizeof(u8)".  If that isn't 1, we have way
  deeper problems than a simple multiplication can fix.   - Linus ]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
drivers/char/tpm/tpm.c