tree 1a4b22b46173ba2104211e54aa65375b25da5c65
parent 9cadcd28f05e1957a8f61ae726fce31d0b29a3f9
author Konstantin Sharlaimov <konstantin.sharlaimov@gmail.com> 1181683019 -0700
committer David S. Miller <davem@davemloft.net> 1181683019 -0700

[PPP_MPPE]: Fix "osize too small" check.

Prevent mppe_decompress() from generating "osize too small" errors when
checking for output buffer size.  When receiving a packet of mru size the
output buffer for decrypted data is 1 byte too small since
mppe_decompress() tries to account for possible PFC, however later in code
it is assumed no PFC.

Adjusting the check prevented these errors from occurring.

Signed-off-by: Konstantin Sharlaimov <konstantin.sharlaimov@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>