Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-block

[safe/jmp/linux-2.6] / fs / compat_ioctl.c

diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c
index 8da222e..f91fd51 100644 (file)
--- 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) {
@@ -1725,7 +1720,7 @@ static int do_i2c_smbus_ioctl(unsigned int fd, unsigned int cmd, unsigned long a
 
 /* Since old style bridge ioctl's endup using SIOCDEVPRIVATE
  * for some operations; this forces use of the newer bridge-utils that
- * use compatiable ioctls
+ * use compatible ioctls
  */
 static int old_bridge_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
 {
@@ -1786,6 +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 *);
@@ -1875,6 +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)
@@ -2392,27 +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(MEMSETOOBSEL)
-COMPATIBLE_IOCTL(MEMGETOOBSEL)
-COMPATIBLE_IOCTL(MEMGETBADBLOCK)
-COMPATIBLE_IOCTL(MEMSETBADBLOCK)
-COMPATIBLE_IOCTL(OTPSELECT)
-COMPATIBLE_IOCTL(OTPGETREGIONCOUNT)
-COMPATIBLE_IOCTL(OTPGETREGIONINFO)
-COMPATIBLE_IOCTL(OTPLOCK)
-COMPATIBLE_IOCTL(ECCGETLAYOUT)
-COMPATIBLE_IOCTL(ECCGETSTATS)
-COMPATIBLE_IOCTL(MTDFILEMODE)
-COMPATIBLE_IOCTL(MEMERASE64)
-COMPATIBLE_IOCTL(MEMREADOOB64)
-COMPATIBLE_IOCTL(MEMWRITEOOB64)
 /* NBD */
 ULONG_IOCTL(NBD_SET_SOCK)
 ULONG_IOCTL(NBD_SET_BLKSIZE)
@@ -2784,6 +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: