diff options
Diffstat (limited to 'fs/compat_ioctl.c')
| -rw-r--r-- | fs/compat_ioctl.c | 55 |
1 files changed, 31 insertions, 24 deletions
diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c index a26bea10e81..e8228904727 100644 --- a/fs/compat_ioctl.c +++ b/fs/compat_ioctl.c @@ -34,7 +34,7 @@ #include <linux/fs.h> #include <linux/file.h> #include <linux/ppp_defs.h> -#include <linux/if_ppp.h> +#include <linux/ppp-ioctl.h> #include <linux/if_pppox.h> #include <linux/mtio.h> #include <linux/auto_fs.h> @@ -49,7 +49,6 @@ #include <linux/elevator.h> #include <linux/rtc.h> #include <linux/pci.h> -#include <linux/module.h> #include <linux/serial.h> #include <linux/if_tun.h> #include <linux/ctype.h> @@ -67,7 +66,6 @@ #include <linux/gigaset_dev.h> #ifdef CONFIG_BLOCK -#include <linux/loop.h> #include <linux/cdrom.h> #include <linux/fd.h> #include <scsi/scsi.h> @@ -211,6 +209,8 @@ static int do_video_set_spu_palette(unsigned int fd, unsigned int cmd, err = get_user(palp, &up->palette); err |= get_user(length, &up->length); + if (err) + return -EFAULT; up_native = compat_alloc_user_space(sizeof(struct video_spu_palette)); err = put_user(compat_ptr(palp), &up_native->palette); @@ -607,7 +607,6 @@ struct serial_struct32 { static int serial_struct_ioctl(unsigned fd, unsigned cmd, struct serial_struct32 __user *ss32) { - typedef struct serial_struct SS; typedef struct serial_struct32 SS32; int err; struct serial_struct ss; @@ -681,7 +680,8 @@ static int do_i2c_rdwr_ioctl(unsigned int fd, unsigned int cmd, struct i2c_msg __user *tmsgs; struct i2c_msg32 __user *umsgs; compat_caddr_t datap; - int nmsgs, i; + u32 nmsgs; + int i; if (get_user(nmsgs, &udata->nmsgs)) return -EFAULT; @@ -843,6 +843,9 @@ COMPATIBLE_IOCTL(TIOCGDEV) COMPATIBLE_IOCTL(TIOCCBRK) COMPATIBLE_IOCTL(TIOCGSID) COMPATIBLE_IOCTL(TIOCGICOUNT) +COMPATIBLE_IOCTL(TIOCGPKT) +COMPATIBLE_IOCTL(TIOCGPTLCK) +COMPATIBLE_IOCTL(TIOCGEXCL) /* Little t */ COMPATIBLE_IOCTL(TIOCGETD) COMPATIBLE_IOCTL(TIOCSETD) @@ -867,6 +870,12 @@ COMPATIBLE_IOCTL(TIOCGPTN) COMPATIBLE_IOCTL(TIOCSPTLCK) COMPATIBLE_IOCTL(TIOCSERGETLSR) COMPATIBLE_IOCTL(TIOCSIG) +#ifdef TIOCSRS485 +COMPATIBLE_IOCTL(TIOCSRS485) +#endif +#ifdef TIOCGRS485 +COMPATIBLE_IOCTL(TIOCGRS485) +#endif #ifdef TCGETS2 COMPATIBLE_IOCTL(TCGETS2) COMPATIBLE_IOCTL(TCSETS2) @@ -898,6 +907,8 @@ COMPATIBLE_IOCTL(KDGKBSENT) COMPATIBLE_IOCTL(KDSKBSENT) COMPATIBLE_IOCTL(KDGKBDIACR) COMPATIBLE_IOCTL(KDSKBDIACR) +COMPATIBLE_IOCTL(KDGKBDIACRUC) +COMPATIBLE_IOCTL(KDSKBDIACRUC) COMPATIBLE_IOCTL(KDKBDREP) COMPATIBLE_IOCTL(KDGKBLED) COMPATIBLE_IOCTL(KDGETLED) @@ -943,8 +954,6 @@ COMPATIBLE_IOCTL(MTIOCTOP) /* Socket level stuff */ COMPATIBLE_IOCTL(FIOQSIZE) #ifdef CONFIG_BLOCK -/* loop */ -IGNORE_IOCTL(LOOP_CLR_FD) /* md calls this on random blockdevs */ IGNORE_IOCTL(RAID_VERSION) /* qemu/qemu-img might call these two on plain files for probing */ @@ -1529,19 +1538,17 @@ static int compat_ioctl_check_table(unsigned int xcmd) return ioctl_pointer[i] == xcmd; } -asmlinkage long compat_sys_ioctl(unsigned int fd, unsigned int cmd, - unsigned long arg) +COMPAT_SYSCALL_DEFINE3(ioctl, unsigned int, fd, unsigned int, cmd, + compat_ulong_t, arg32) { - struct file *filp; + unsigned long arg = arg32; + struct fd f = fdget(fd); int error = -EBADF; - int fput_needed; - - filp = fget_light(fd, &fput_needed); - if (!filp) + if (!f.file) goto out; /* RED-PEN how should LSM module know it's handling 32bit? */ - error = security_file_ioctl(filp, cmd, arg); + error = security_file_ioctl(f.file, cmd, arg); if (error) goto out_fput; @@ -1561,30 +1568,30 @@ asmlinkage long compat_sys_ioctl(unsigned int fd, unsigned int cmd, #if defined(CONFIG_IA64) || defined(CONFIG_X86_64) case FS_IOC_RESVSP_32: case FS_IOC_RESVSP64_32: - error = compat_ioctl_preallocate(filp, compat_ptr(arg)); + error = compat_ioctl_preallocate(f.file, compat_ptr(arg)); goto out_fput; #else case FS_IOC_RESVSP: case FS_IOC_RESVSP64: - error = ioctl_preallocate(filp, compat_ptr(arg)); + error = ioctl_preallocate(f.file, compat_ptr(arg)); goto out_fput; #endif case FIBMAP: case FIGETBSZ: case FIONREAD: - if (S_ISREG(filp->f_path.dentry->d_inode->i_mode)) + if (S_ISREG(file_inode(f.file)->i_mode)) break; /*FALL THROUGH*/ default: - if (filp->f_op && filp->f_op->compat_ioctl) { - error = filp->f_op->compat_ioctl(filp, cmd, arg); + if (f.file->f_op->compat_ioctl) { + error = f.file->f_op->compat_ioctl(f.file, cmd, arg); if (error != -ENOIOCTLCMD) goto out_fput; } - if (!filp->f_op || !filp->f_op->unlocked_ioctl) + if (!f.file->f_op->unlocked_ioctl) goto do_ioctl; break; } @@ -1592,7 +1599,7 @@ asmlinkage long compat_sys_ioctl(unsigned int fd, unsigned int cmd, if (compat_ioctl_check_table(XFORM(cmd))) goto found_handler; - error = do_ioctl_trans(fd, cmd, arg, filp); + error = do_ioctl_trans(fd, cmd, arg, f.file); if (error == -ENOIOCTLCMD) error = -ENOTTY; @@ -1601,9 +1608,9 @@ asmlinkage long compat_sys_ioctl(unsigned int fd, unsigned int cmd, found_handler: arg = (unsigned long)compat_ptr(arg); do_ioctl: - error = do_vfs_ioctl(filp, fd, cmd, arg); + error = do_vfs_ioctl(f.file, fd, cmd, arg); out_fput: - fput_light(filp, fput_needed); + fdput(f); out: return error; } |