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(parent: c37dfac) | patch
dsp56k: prevent a harmless underflow
authorDan Carpenter <dan.carpenter@oracle.com>
Wed, 13 Jul 2016 10:11:19 +0000 (13:11 +0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 14 Jul 2016 07:21:53 +0000 (16:21 +0900)
commit563276d0200766231ba4b147e7a3244e9eb9c931
tree72e0cca7c435845b29b019965cb27b49173369f7tree | snapshot
parentc37dfaca164412d8e284eaa6a1132cfa435bbcddcommit | diff
dsp56k: prevent a harmless underflow

There is a mistake here where we don't allow "len" to be zero but we
allow negative lengths.  It's basically harmless in this case, but the
underflow makes my static checker complain.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/char/dsp56k.c diff | blob | history
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