diff options
Diffstat (limited to 'drivers/scsi/sr_ioctl.c')
| -rw-r--r-- | drivers/scsi/sr_ioctl.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/scsi/sr_ioctl.c b/drivers/scsi/sr_ioctl.c index 5b0b35e60e..a0d2556a27 100644 --- a/drivers/scsi/sr_ioctl.c +++ b/drivers/scsi/sr_ioctl.c @@ -425,11 +425,14 @@ int sr_reset(struct cdrom_device_info *cdi) return 0; } -int sr_select_speed(struct cdrom_device_info *cdi, int speed) +int sr_select_speed(struct cdrom_device_info *cdi, unsigned long speed) { Scsi_CD *cd = cdi->handle; struct packet_command cgc; + /* avoid exceeding the max speed or overflowing integer bounds */ + speed = clamp(0, speed, 0xffff / 177); + if (speed == 0) speed = 0xffff; /* set to max */ else |