From 44ee6a8564a89a77206b0b13cea91fc2f4ff997d Mon Sep 17 00:00:00 2001 From: Heiko Carstens Date: Wed, 13 Jan 2010 20:44:30 +0100 Subject: [S390] cio: add missing compat ptr conversion Signed-off-by: Heiko Carstens Signed-off-by: Martin Schwidefsky --- drivers/s390/cio/chsc_sch.c | 23 +++++++++++++++-------- 1 file changed, 15 insertions(+), 8 deletions(-) (limited to 'drivers/s390') diff --git a/drivers/s390/cio/chsc_sch.c b/drivers/s390/cio/chsc_sch.c index cc5144b6f9d9..c84ac9443079 100644 --- a/drivers/s390/cio/chsc_sch.c +++ b/drivers/s390/cio/chsc_sch.c @@ -12,6 +12,7 @@ #include #include +#include #include #include #include @@ -770,24 +771,30 @@ out_free: static long chsc_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) { + void __user *argp; + CHSC_MSG(2, "chsc_ioctl called, cmd=%x\n", cmd); + if (is_compat_task()) + argp = compat_ptr(arg); + else + argp = (void __user *)arg; switch (cmd) { case CHSC_START: - return chsc_ioctl_start((void __user *)arg); + return chsc_ioctl_start(argp); case CHSC_INFO_CHANNEL_PATH: - return chsc_ioctl_info_channel_path((void __user *)arg); + return chsc_ioctl_info_channel_path(argp); case CHSC_INFO_CU: - return chsc_ioctl_info_cu((void __user *)arg); + return chsc_ioctl_info_cu(argp); case CHSC_INFO_SCH_CU: - return chsc_ioctl_info_sch_cu((void __user *)arg); + return chsc_ioctl_info_sch_cu(argp); case CHSC_INFO_CI: - return chsc_ioctl_conf_info((void __user *)arg); + return chsc_ioctl_conf_info(argp); case CHSC_INFO_CCL: - return chsc_ioctl_conf_comp_list((void __user *)arg); + return chsc_ioctl_conf_comp_list(argp); case CHSC_INFO_CPD: - return chsc_ioctl_chpd((void __user *)arg); + return chsc_ioctl_chpd(argp); case CHSC_INFO_DCAL: - return chsc_ioctl_dcal((void __user *)arg); + return chsc_ioctl_dcal(argp); default: /* unknown ioctl number */ return -ENOIOCTLCMD; } -- cgit v1.2.3-59-g8ed1b