char/tpm: Fix unitialized usage of data buffer
authorPeter Huewe <huewe.external.infineon@googlemail.com>
Tue, 29 Mar 2011 11:31:25 +0000 (13:31 +0200)
committerLinus Torvalds <torvalds@linux-foundation.org>
Tue, 29 Mar 2011 16:45:34 +0000 (09:45 -0700)
commit1309d7afbed112f0e8e90be9af975550caa0076b
tree750110269ee7a6d977494c5fb696af109ecb0aad
parent0444d76ae64fffc7851797fc1b6ebdbb44ac504a
char/tpm: Fix unitialized usage of data buffer

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>
drivers/char/tpm/tpm.c