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authorArnd Bergmann <arnd@arndb.de>2009-11-13 20:28:05 -0500
committerArnd Bergmann <arnd@arndb.de>2009-12-10 16:55:37 -0500
commit637e8a60a7aaf4ef7d46cfdf83bcfac9cf6f0fbd (patch)
tree5d50aaa8bcdf0b5f9af5c24ff6adcdb9d482cd9c /fs
parent3695669cd4f5fb6d569fd4243312c1b4a05bd5ce (diff)
usbdevfs: move compat_ioctl handling to devio.c
Half the compat_ioctl handling is in devio.c, the other half is in fs/compat_ioctl.c. This moves everything into one place for consistency. As a positive side-effect, push down the BKL into the ioctl methods. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Greg Kroah-Hartman <gregkh@suse.de> Cc: Alan Stern <stern@rowland.harvard.edu> Cc: Oliver Neukum <oliver@neukum.org> Cc: Alon Bar-Lev <alon.barlev@gmail.com> Cc: David Vrabel <david.vrabel@csr.com> Cc: linux-usb@vger.kernel.org
Diffstat (limited to 'fs')
-rw-r--r--fs/compat_ioctl.c112
1 files changed, 0 insertions, 112 deletions
diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c
index 598763fd207f..278020d2449c 100644
--- a/fs/compat_ioctl.c
+++ b/fs/compat_ioctl.c
@@ -742,94 +742,6 @@ static int serial_struct_ioctl(unsigned fd, unsigned cmd,
742 return err; 742 return err;
743} 743}
744 744
745struct usbdevfs_ctrltransfer32 {
746 u8 bRequestType;
747 u8 bRequest;
748 u16 wValue;
749 u16 wIndex;
750 u16 wLength;
751 u32 timeout; /* in milliseconds */
752 compat_caddr_t data;
753};
754
755#define USBDEVFS_CONTROL32 _IOWR('U', 0, struct usbdevfs_ctrltransfer32)
756
757static int do_usbdevfs_control(unsigned int fd, unsigned int cmd,
758 struct usbdevfs_ctrltransfer32 __user *p32)
759{
760 struct usbdevfs_ctrltransfer __user *p;
761 __u32 udata;
762 p = compat_alloc_user_space(sizeof(*p));
763 if (copy_in_user(p, p32, (sizeof(*p32) - sizeof(compat_caddr_t))) ||
764 get_user(udata, &p32->data) ||
765 put_user(compat_ptr(udata), &p->data))
766 return -EFAULT;
767 return sys_ioctl(fd, USBDEVFS_CONTROL, (unsigned long)p);
768}
769
770
771struct usbdevfs_bulktransfer32 {
772 compat_uint_t ep;
773 compat_uint_t len;
774 compat_uint_t timeout; /* in milliseconds */
775 compat_caddr_t data;
776};
777
778#define USBDEVFS_BULK32 _IOWR('U', 2, struct usbdevfs_bulktransfer32)
779
780static int do_usbdevfs_bulk(unsigned int fd, unsigned int cmd,
781 struct usbdevfs_bulktransfer32 __user *p32)
782{
783 struct usbdevfs_bulktransfer __user *p;
784 compat_uint_t n;
785 compat_caddr_t addr;
786
787 p = compat_alloc_user_space(sizeof(*p));
788
789 if (get_user(n, &p32->ep) || put_user(n, &p->ep) ||
790 get_user(n, &p32->len) || put_user(n, &p->len) ||
791 get_user(n, &p32->timeout) || put_user(n, &p->timeout) ||
792 get_user(addr, &p32->data) || put_user(compat_ptr(addr), &p->data))
793 return -EFAULT;
794
795 return sys_ioctl(fd, USBDEVFS_BULK, (unsigned long)p);
796}
797
798
799/*
800 * USBDEVFS_SUBMITURB, USBDEVFS_REAPURB and USBDEVFS_REAPURBNDELAY
801 * are handled in usbdevfs core. -Christopher Li
802 */
803
804struct usbdevfs_disconnectsignal32 {
805 compat_int_t signr;
806 compat_caddr_t context;
807};
808
809#define USBDEVFS_DISCSIGNAL32 _IOR('U', 14, struct usbdevfs_disconnectsignal32)
810
811static int do_usbdevfs_discsignal(unsigned int fd, unsigned int cmd,
812 struct usbdevfs_disconnectsignal32 __user *udis)
813{
814 struct usbdevfs_disconnectsignal kdis;
815 mm_segment_t old_fs;
816 u32 uctx;
817 int err;
818
819 if (get_user(kdis.signr, &udis->signr) ||
820 __get_user(uctx, &udis->context))
821 return -EFAULT;
822
823 kdis.context = compat_ptr(uctx);
824
825 old_fs = get_fs();
826 set_fs(KERNEL_DS);
827 err = sys_ioctl(fd, USBDEVFS_DISCSIGNAL, (unsigned long) &kdis);
828 set_fs(old_fs);
829
830 return err;
831}
832
833/* 745/*
834 * I2C layer ioctls 746 * I2C layer ioctls
835 */ 747 */
@@ -1471,21 +1383,6 @@ COMPATIBLE_IOCTL(PCIIOC_CONTROLLER)
1471COMPATIBLE_IOCTL(PCIIOC_MMAP_IS_IO) 1383COMPATIBLE_IOCTL(PCIIOC_MMAP_IS_IO)
1472COMPATIBLE_IOCTL(PCIIOC_MMAP_IS_MEM) 1384COMPATIBLE_IOCTL(PCIIOC_MMAP_IS_MEM)
1473COMPATIBLE_IOCTL(PCIIOC_WRITE_COMBINE) 1385COMPATIBLE_IOCTL(PCIIOC_WRITE_COMBINE)
1474/* USB */
1475COMPATIBLE_IOCTL(USBDEVFS_RESETEP)
1476COMPATIBLE_IOCTL(USBDEVFS_SETINTERFACE)
1477COMPATIBLE_IOCTL(USBDEVFS_SETCONFIGURATION)
1478COMPATIBLE_IOCTL(USBDEVFS_GETDRIVER)
1479COMPATIBLE_IOCTL(USBDEVFS_DISCARDURB)
1480COMPATIBLE_IOCTL(USBDEVFS_CLAIMINTERFACE)
1481COMPATIBLE_IOCTL(USBDEVFS_RELEASEINTERFACE)
1482COMPATIBLE_IOCTL(USBDEVFS_CONNECTINFO)
1483COMPATIBLE_IOCTL(USBDEVFS_HUB_PORTINFO)
1484COMPATIBLE_IOCTL(USBDEVFS_RESET)
1485COMPATIBLE_IOCTL(USBDEVFS_SUBMITURB32)
1486COMPATIBLE_IOCTL(USBDEVFS_REAPURB32)
1487COMPATIBLE_IOCTL(USBDEVFS_REAPURBNDELAY32)
1488COMPATIBLE_IOCTL(USBDEVFS_CLEAR_HALT)
1489/* NBD */ 1386/* NBD */
1490COMPATIBLE_IOCTL(NBD_DO_IT) 1387COMPATIBLE_IOCTL(NBD_DO_IT)
1491COMPATIBLE_IOCTL(NBD_CLEAR_SOCK) 1388COMPATIBLE_IOCTL(NBD_CLEAR_SOCK)
@@ -1604,8 +1501,6 @@ COMPATIBLE_IOCTL(TIOCSLTC)
1604COMPATIBLE_IOCTL(TIOCSTART) 1501COMPATIBLE_IOCTL(TIOCSTART)
1605COMPATIBLE_IOCTL(TIOCSTOP) 1502COMPATIBLE_IOCTL(TIOCSTOP)
1606#endif 1503#endif
1607/* Usbdevfs */
1608COMPATIBLE_IOCTL(USBDEVFS_IOCTL32)
1609 1504
1610/* fat 'r' ioctls. These are handled by fat with ->compat_ioctl, 1505/* fat 'r' ioctls. These are handled by fat with ->compat_ioctl,
1611 but we don't want warnings on other file systems. So declare 1506 but we don't want warnings on other file systems. So declare
@@ -1677,13 +1572,6 @@ static long do_ioctl_trans(int fd, unsigned int cmd,
1677 case TIOCGSERIAL: 1572 case TIOCGSERIAL:
1678 case TIOCSSERIAL: 1573 case TIOCSSERIAL:
1679 return serial_struct_ioctl(fd, cmd, argp); 1574 return serial_struct_ioctl(fd, cmd, argp);
1680 /* Usbdevfs */
1681 case USBDEVFS_CONTROL32:
1682 return do_usbdevfs_control(fd, cmd, argp);
1683 case USBDEVFS_BULK32:
1684 return do_usbdevfs_bulk(fd, cmd, argp);
1685 case USBDEVFS_DISCSIGNAL32:
1686 return do_usbdevfs_discsignal(fd, cmd, argp);
1687 /* i2c */ 1575 /* i2c */
1688 case I2C_FUNCS: 1576 case I2C_FUNCS:
1689 return w_long(fd, cmd, argp); 1577 return w_long(fd, cmd, argp);