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authorHeiko Carstens <heiko.carstens@de.ibm.com>2010-01-13 14:44:30 -0500
committerMartin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com>2010-01-13 14:44:44 -0500
commit44ee6a8564a89a77206b0b13cea91fc2f4ff997d (patch)
tree6c51fbc22f1c1379eda38fcdd048e90c30a4bcdf /drivers/s390/cio
parent880348653ec2eda81550a8aa37c2eb625922f695 (diff)
[S390] cio: add missing compat ptr conversion
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/cio')
-rw-r--r--drivers/s390/cio/chsc_sch.c23
1 files changed, 15 insertions, 8 deletions
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 @@
12#include <linux/uaccess.h> 12#include <linux/uaccess.h>
13#include <linux/miscdevice.h> 13#include <linux/miscdevice.h>
14 14
15#include <asm/compat.h>
15#include <asm/cio.h> 16#include <asm/cio.h>
16#include <asm/chsc.h> 17#include <asm/chsc.h>
17#include <asm/isc.h> 18#include <asm/isc.h>
@@ -770,24 +771,30 @@ out_free:
770static long chsc_ioctl(struct file *filp, unsigned int cmd, 771static long chsc_ioctl(struct file *filp, unsigned int cmd,
771 unsigned long arg) 772 unsigned long arg)
772{ 773{
774 void __user *argp;
775
773 CHSC_MSG(2, "chsc_ioctl called, cmd=%x\n", cmd); 776 CHSC_MSG(2, "chsc_ioctl called, cmd=%x\n", cmd);
777 if (is_compat_task())
778 argp = compat_ptr(arg);
779 else
780 argp = (void __user *)arg;
774 switch (cmd) { 781 switch (cmd) {
775 case CHSC_START: 782 case CHSC_START:
776 return chsc_ioctl_start((void __user *)arg); 783 return chsc_ioctl_start(argp);
777 case CHSC_INFO_CHANNEL_PATH: 784 case CHSC_INFO_CHANNEL_PATH:
778 return chsc_ioctl_info_channel_path((void __user *)arg); 785 return chsc_ioctl_info_channel_path(argp);
779 case CHSC_INFO_CU: 786 case CHSC_INFO_CU:
780 return chsc_ioctl_info_cu((void __user *)arg); 787 return chsc_ioctl_info_cu(argp);
781 case CHSC_INFO_SCH_CU: 788 case CHSC_INFO_SCH_CU:
782 return chsc_ioctl_info_sch_cu((void __user *)arg); 789 return chsc_ioctl_info_sch_cu(argp);
783 case CHSC_INFO_CI: 790 case CHSC_INFO_CI:
784 return chsc_ioctl_conf_info((void __user *)arg); 791 return chsc_ioctl_conf_info(argp);
785 case CHSC_INFO_CCL: 792 case CHSC_INFO_CCL:
786 return chsc_ioctl_conf_comp_list((void __user *)arg); 793 return chsc_ioctl_conf_comp_list(argp);
787 case CHSC_INFO_CPD: 794 case CHSC_INFO_CPD:
788 return chsc_ioctl_chpd((void __user *)arg); 795 return chsc_ioctl_chpd(argp);
789 case CHSC_INFO_DCAL: 796 case CHSC_INFO_DCAL:
790 return chsc_ioctl_dcal((void __user *)arg); 797 return chsc_ioctl_dcal(argp);
791 default: /* unknown ioctl number */ 798 default: /* unknown ioctl number */
792 return -ENOIOCTLCMD; 799 return -ENOIOCTLCMD;
793 } 800 }