X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=fs%2Freaddir.c;h=f39f5b3132527243a5eb08979d7bf5aebaaa9f15;hb=a2f44b27303a5353859d77a3e96a1d3f33f56ab7;hp=b6109329b60739197685270d833b0699d11c020d;hpb=e6a27dba1cf83d871b2dfcd64f04f12a67e3f4d5;p=linux-2.6.git diff --git a/fs/readdir.c b/fs/readdir.c index b6109329b..f39f5b313 100644 --- a/fs/readdir.c +++ b/fs/readdir.c @@ -21,7 +21,7 @@ int vfs_readdir(struct file *file, filldir_t filler, void *buf) { - struct inode *inode = file->f_dentry->d_inode; + struct inode *inode = file->f_path.dentry->d_inode; int res = -ENOTDIR; if (!file->f_op || !file->f_op->readdir) goto out; @@ -69,20 +69,24 @@ struct readdir_callback { }; static int fillonedir(void * __buf, const char * name, int namlen, loff_t offset, - ino_t ino, unsigned int d_type) + u64 ino, unsigned int d_type) { struct readdir_callback * buf = (struct readdir_callback *) __buf; struct old_linux_dirent __user * dirent; + unsigned long 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) || @@ -138,22 +142,26 @@ struct getdents_callback { }; static int filldir(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_dirent __user * dirent; struct getdents_callback * buf = (struct getdents_callback *) __buf; + unsigned long d_ino; int reclen = 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; @@ -222,7 +230,7 @@ struct getdents_callback64 { }; static int 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 getdents_callback64 * buf = (struct getdents_callback64 *) __buf;