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Diffstat (limited to 'fs/compat_ioctl.c')
-rw-r--r--fs/compat_ioctl.c108
1 files changed, 50 insertions, 58 deletions
diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c
index 0aac371bff0b..f91fd51b32e3 100644
--- a/fs/compat_ioctl.c
+++ b/fs/compat_ioctl.c
@@ -19,6 +19,7 @@
#include <linux/compiler.h>
#include <linux/sched.h>
#include <linux/smp.h>
+#include <linux/smp_lock.h>
#include <linux/ioctl.h>
#include <linux/if.h>
#include <linux/if_bridge.h>
@@ -31,6 +32,7 @@
#include <linux/skbuff.h>
#include <linux/netlink.h>
#include <linux/vt.h>
+#include <linux/falloc.h>
#include <linux/fs.h>
#include <linux/file.h>
#include <linux/ppp_defs.h>
@@ -94,7 +96,6 @@
#include <linux/atm_tcp.h>
#include <linux/sonet.h>
#include <linux/atm_suni.h>
-#include <linux/mtd/mtd.h>
#include <linux/usb.h>
#include <linux/usbdevice_fs.h>
@@ -788,12 +789,6 @@ static int sg_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
if (put_user(compat_ptr(data), &sgio->usr_ptr))
return -EFAULT;
- if (copy_in_user(&sgio->status, &sgio32->status,
- (4 * sizeof(unsigned char)) +
- (2 * sizeof(unsigned short)) +
- (3 * sizeof(int))))
- return -EFAULT;
-
err = sys_ioctl(fd, cmd, (unsigned long) sgio);
if (err >= 0) {
@@ -1411,46 +1406,6 @@ static int ioc_settimeout(unsigned int fd, unsigned int cmd, unsigned long arg)
#define HIDPGETCONNLIST _IOR('H', 210, int)
#define HIDPGETCONNINFO _IOR('H', 211, int)
-struct mtd_oob_buf32 {
- u_int32_t start;
- u_int32_t length;
- compat_caddr_t ptr; /* unsigned char* */
-};
-
-#define MEMWRITEOOB32 _IOWR('M',3,struct mtd_oob_buf32)
-#define MEMREADOOB32 _IOWR('M',4,struct mtd_oob_buf32)
-
-static int mtd_rw_oob(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
- struct mtd_oob_buf __user *buf = compat_alloc_user_space(sizeof(*buf));
- struct mtd_oob_buf32 __user *buf32 = compat_ptr(arg);
- u32 data;
- char __user *datap;
- unsigned int real_cmd;
- int err;
-
- real_cmd = (cmd == MEMREADOOB32) ?
- MEMREADOOB : MEMWRITEOOB;
-
- if (copy_in_user(&buf->start, &buf32->start,
- 2 * sizeof(u32)) ||
- get_user(data, &buf32->ptr))
- return -EFAULT;
- datap = compat_ptr(data);
- if (put_user(datap, &buf->ptr))
- return -EFAULT;
-
- err = sys_ioctl(fd, real_cmd, (unsigned long) buf);
-
- if (!err) {
- if (copy_in_user(&buf32->start, &buf->start,
- 2 * sizeof(u32)))
- err = -EFAULT;
- }
-
- return err;
-}
-
#ifdef CONFIG_BLOCK
struct raw32_config_request
{
@@ -1826,6 +1781,41 @@ lp_timeout_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
return sys_ioctl(fd, cmd, (unsigned long)tn);
}
+/* on ia32 l_start is on a 32-bit boundary */
+#if defined(CONFIG_IA64) || defined(CONFIG_X86_64)
+struct space_resv_32 {
+ __s16 l_type;
+ __s16 l_whence;
+ __s64 l_start __attribute__((packed));
+ /* len == 0 means until end of file */
+ __s64 l_len __attribute__((packed));
+ __s32 l_sysid;
+ __u32 l_pid;
+ __s32 l_pad[4]; /* reserve area */
+};
+
+#define FS_IOC_RESVSP_32 _IOW ('X', 40, struct space_resv_32)
+#define FS_IOC_RESVSP64_32 _IOW ('X', 42, struct space_resv_32)
+
+/* just account for different alignment */
+static int compat_ioctl_preallocate(struct file *file, unsigned long arg)
+{
+ struct space_resv_32 __user *p32 = (void __user *)arg;
+ struct space_resv __user *p = compat_alloc_user_space(sizeof(*p));
+
+ if (copy_in_user(&p->l_type, &p32->l_type, sizeof(s16)) ||
+ copy_in_user(&p->l_whence, &p32->l_whence, sizeof(s16)) ||
+ copy_in_user(&p->l_start, &p32->l_start, sizeof(s64)) ||
+ copy_in_user(&p->l_len, &p32->l_len, sizeof(s64)) ||
+ copy_in_user(&p->l_sysid, &p32->l_sysid, sizeof(s32)) ||
+ copy_in_user(&p->l_pid, &p32->l_pid, sizeof(u32)) ||
+ copy_in_user(&p->l_pad, &p32->l_pad, 4*sizeof(u32)))
+ return -EFAULT;
+
+ return ioctl_preallocate(file, p);
+}
+#endif
+
typedef int (*ioctl_trans_handler_t)(unsigned int, unsigned int,
unsigned long, struct file *);
@@ -1915,6 +1905,7 @@ COMPATIBLE_IOCTL(FIONCLEX)
COMPATIBLE_IOCTL(FIOASYNC)
COMPATIBLE_IOCTL(FIONBIO)
COMPATIBLE_IOCTL(FIONREAD) /* This is also TIOCINQ */
+COMPATIBLE_IOCTL(FS_IOC_FIEMAP)
/* 0x00 */
COMPATIBLE_IOCTL(FIBMAP)
COMPATIBLE_IOCTL(FIGETBSZ)
@@ -2432,15 +2423,6 @@ COMPATIBLE_IOCTL(USBDEVFS_SUBMITURB32)
COMPATIBLE_IOCTL(USBDEVFS_REAPURB32)
COMPATIBLE_IOCTL(USBDEVFS_REAPURBNDELAY32)
COMPATIBLE_IOCTL(USBDEVFS_CLEAR_HALT)
-/* MTD */
-COMPATIBLE_IOCTL(MEMGETINFO)
-COMPATIBLE_IOCTL(MEMERASE)
-COMPATIBLE_IOCTL(MEMLOCK)
-COMPATIBLE_IOCTL(MEMUNLOCK)
-COMPATIBLE_IOCTL(MEMGETREGIONCOUNT)
-COMPATIBLE_IOCTL(MEMGETREGIONINFO)
-COMPATIBLE_IOCTL(MEMGETBADBLOCK)
-COMPATIBLE_IOCTL(MEMSETBADBLOCK)
/* NBD */
ULONG_IOCTL(NBD_SET_SOCK)
ULONG_IOCTL(NBD_SET_BLKSIZE)
@@ -2550,8 +2532,6 @@ COMPATIBLE_IOCTL(JSIOCGBUTTONS)
COMPATIBLE_IOCTL(JSIOCGNAME(0))
/* now things that need handlers */
-HANDLE_IOCTL(MEMREADOOB32, mtd_rw_oob)
-HANDLE_IOCTL(MEMWRITEOOB32, mtd_rw_oob)
#ifdef CONFIG_NET
HANDLE_IOCTL(SIOCGIFNAME, dev_ifname32)
HANDLE_IOCTL(SIOCGIFCONF, dev_ifconf)
@@ -2814,6 +2794,18 @@ asmlinkage long compat_sys_ioctl(unsigned int fd, unsigned int cmd,
case FIOQSIZE:
break;
+#if defined(CONFIG_IA64) || defined(CONFIG_X86_64)
+ case FS_IOC_RESVSP_32:
+ case FS_IOC_RESVSP64_32:
+ error = compat_ioctl_preallocate(filp, arg);
+ goto out_fput;
+#else
+ case FS_IOC_RESVSP:
+ case FS_IOC_RESVSP64:
+ error = ioctl_preallocate(filp, (void __user *)arg);
+ goto out_fput;
+#endif
+
case FIBMAP:
case FIGETBSZ:
case FIONREAD: