diff options
| author | Chris Cesare <chris.cesare@gmail.com> | 2016-06-09 15:39:03 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-06-17 21:14:16 -0700 |
| commit | c9b0f2b63f47ec35ca5e6588df488bb7e51efb43 (patch) | |
| tree | bb62aa568a53f364acbb035ba3c20d0d02269617 /drivers/staging/comedi/drivers/serial2002.c | |
| parent | 2e3d417c02ceadd7feea0b34b37a36a1ffda96f1 (diff) | |
staging: comedi: serial2002: Fix unnecessary cast styling issue
checkpatch.pl warns that a cast of 1 to (long long) is unnecessary.
Remove the cast and also add code to check and make sure that
maxdata_list[chan] is not shifted too far, as suggested by Ian
Abbott.
Signed-off-by Chris Cesare <chris.cesare@gmail.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/comedi/drivers/serial2002.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/serial2002.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/staging/comedi/drivers/serial2002.c b/drivers/staging/comedi/drivers/serial2002.c index b7779468d75f..0d33e520f635 100644 --- a/drivers/staging/comedi/drivers/serial2002.c +++ b/drivers/staging/comedi/drivers/serial2002.c @@ -379,7 +379,10 @@ static int serial2002_setup_subdevice(struct comedi_subdevice *s, range_table_list[chan] = (const struct comedi_lrange *)&range[j]; } - maxdata_list[chan] = ((long long)1 << cfg[j].bits) - 1; + if (cfg[j].bits < 32) + maxdata_list[chan] = (1u << cfg[j].bits) - 1; + else + maxdata_list[chan] = 0xffffffff; chan++; } } |