Merge to Fedora kernel-2.6.18-1.2224_FC5 patched with stable patch-2.6.18.1-vs2.0...

[linux-2.6.git] / fs / compat.c

diff --git a/fs/compat.c b/fs/compat.c
index b1f6478..55cf405 100644 (file)
--- a/fs/compat.c
+++ b/fs/compat.c
@@ -55,6 +55,20 @@
 
 extern void sigset_from_compat(sigset_t *set, compat_sigset_t *compat);
 
+int compat_log = 1;
+
+int compat_printk(const char *fmt, ...)
+{
+       va_list ap;
+       int ret;
+       if (!compat_log)
+               return 0;
+       va_start(ap, fmt);
+       ret = vprintk(fmt, ap);
+       va_end(ap);
+       return ret;
+}
+
 /*
  * Not all architectures have sys_utime, so implement this in terms
  * of sys_utimes.
@@ -197,7 +211,7 @@ asmlinkage long compat_sys_statfs(const char __user *path, struct compat_statfs
        error = user_path_walk(path, &nd);
        if (!error) {
                struct kstatfs tmp;
-               error = vfs_statfs(nd.dentry->d_inode->i_sb, &tmp);
+               error = vfs_statfs(nd.dentry, &tmp);
                if (!error)
                        error = put_compat_statfs(buf, &tmp);
                path_release(&nd);
@@ -215,7 +229,7 @@ asmlinkage long compat_sys_fstatfs(unsigned int fd, struct compat_statfs __user
        file = fget(fd);
        if (!file)
                goto out;
-       error = vfs_statfs(file->f_dentry->d_inode->i_sb, &tmp);
+       error = vfs_statfs(file->f_dentry, &tmp);
        if (!error)
                error = put_compat_statfs(buf, &tmp);
        fput(file);
@@ -265,7 +279,7 @@ asmlinkage long compat_sys_statfs64(const char __user *path, compat_size_t sz, s
        error = user_path_walk(path, &nd);
        if (!error) {
                struct kstatfs tmp;
-               error = vfs_statfs(nd.dentry->d_inode->i_sb, &tmp);
+               error = vfs_statfs(nd.dentry, &tmp);
                if (!error)
                        error = put_compat_statfs64(buf, &tmp);
                path_release(&nd);
@@ -286,7 +300,7 @@ asmlinkage long compat_sys_fstatfs64(unsigned int fd, compat_size_t sz, struct c
        file = fget(fd);
        if (!file)
                goto out;
-       error = vfs_statfs(file->f_dentry->d_inode->i_sb, &tmp);
+       error = vfs_statfs(file->f_dentry, &tmp);
        if (!error)
                error = put_compat_statfs64(buf, &tmp);
        fput(file);
@@ -359,7 +373,7 @@ static void compat_ioctl_error(struct file *filp, unsigned int fd,
        sprintf(buf,"'%c'", (cmd>>24) & 0x3f);
        if (!isprint(buf[1]))
                sprintf(buf, "%02x", buf[1]);
-       printk("ioctl32(%s:%d): Unknown cmd fd(%d) "
+       compat_printk("ioctl32(%s:%d): Unknown cmd fd(%d) "
                        "cmd(%08x){%s} arg(%08x) on %s\n",
                        current->comm, current->pid,
                        (int)fd, (unsigned int)cmd, buf,
@@ -904,20 +918,24 @@ struct compat_readdir_callback {
 };
 
 static int compat_fillonedir(void *__buf, const char *name, int namlen,
-                       loff_t offset, ino_t ino, unsigned int d_type)
+                       loff_t offset, u64 ino, unsigned int d_type)
 {
        struct compat_readdir_callback *buf = __buf;
        struct compat_old_linux_dirent __user *dirent;
+       compat_ulong_t d_ino;
 
        if (buf->result)
                return -EINVAL;
+       d_ino = ino;
+       if (sizeof(d_ino) < sizeof(ino) && d_ino != ino)
+               return -EOVERFLOW;
        buf->result++;
        dirent = buf->dirent;
        if (!access_ok(VERIFY_WRITE, dirent,
                        (unsigned long)(dirent->d_name + namlen + 1) -
                                (unsigned long)dirent))
                goto efault;
-       if (    __put_user(ino, &dirent->d_ino) ||
+       if (    __put_user(d_ino, &dirent->d_ino) ||
                __put_user(offset, &dirent->d_offset) ||
                __put_user(namlen, &dirent->d_namlen) ||
                __copy_to_user(dirent->d_name, name, namlen) ||
@@ -968,22 +986,26 @@ struct compat_getdents_callback {
 };
 
 static int compat_filldir(void *__buf, const char *name, int namlen,
-               loff_t offset, ino_t ino, unsigned int d_type)
+               loff_t offset, u64 ino, unsigned int d_type)
 {
        struct compat_linux_dirent __user * dirent;
        struct compat_getdents_callback *buf = __buf;
+       compat_ulong_t d_ino;
        int reclen = COMPAT_ROUND_UP(NAME_OFFSET(dirent) + namlen + 2);
 
        buf->error = -EINVAL;   /* only used if we fail.. */
        if (reclen > buf->count)
                return -EINVAL;
+       d_ino = ino;
+       if (sizeof(d_ino) < sizeof(ino) && d_ino != ino)
+               return -EOVERFLOW;
        dirent = buf->previous;
        if (dirent) {
                if (__put_user(offset, &dirent->d_off))
                        goto efault;
        }
        dirent = buf->current_dir;
-       if (__put_user(ino, &dirent->d_ino))
+       if (__put_user(d_ino, &dirent->d_ino))
                goto efault;
        if (__put_user(reclen, &dirent->d_reclen))
                goto efault;
@@ -1054,7 +1076,7 @@ struct compat_getdents_callback64 {
 };
 
 static int compat_filldir64(void * __buf, const char * name, int namlen, loff_t offset,
-                    ino_t ino, unsigned int d_type)
+                    u64 ino, unsigned int d_type)
 {
        struct linux_dirent64 __user *dirent;
        struct compat_getdents_callback64 *buf = __buf;