diff options
Diffstat (limited to 'fs/isofs/inode.c')
| -rw-r--r-- | fs/isofs/inode.c | 50 |
1 files changed, 29 insertions, 21 deletions
diff --git a/fs/isofs/inode.c b/fs/isofs/inode.c index 93b1077a380a..b7cbe126faf3 100644 --- a/fs/isofs/inode.c +++ b/fs/isofs/inode.c @@ -326,8 +326,8 @@ static const struct fs_parameter_spec isofs_param_spec[] = { fsparam_u32 ("session", Opt_session), fsparam_u32 ("sbsector", Opt_sb), fsparam_enum ("check", Opt_check, isofs_param_check), - fsparam_u32 ("uid", Opt_uid), - fsparam_u32 ("gid", Opt_gid), + fsparam_uid ("uid", Opt_uid), + fsparam_gid ("gid", Opt_gid), /* Note: mode/dmode historically accepted %u not strictly %o */ fsparam_u32 ("mode", Opt_mode), fsparam_u32 ("dmode", Opt_dmode), @@ -344,8 +344,6 @@ static int isofs_parse_param(struct fs_context *fc, struct isofs_options *popt = fc->fs_private; struct fs_parse_result result; int opt; - kuid_t uid; - kgid_t gid; unsigned int n; /* There are no remountable options */ @@ -409,17 +407,11 @@ static int isofs_parse_param(struct fs_context *fc, case Opt_ignore: break; case Opt_uid: - uid = make_kuid(current_user_ns(), result.uint_32); - if (!uid_valid(uid)) - return -EINVAL; - popt->uid = uid; + popt->uid = result.uid; popt->uid_set = 1; break; case Opt_gid: - gid = make_kgid(current_user_ns(), result.uint_32); - if (!gid_valid(gid)) - return -EINVAL; - popt->gid = gid; + popt->gid = result.gid; popt->gid_set = 1; break; case Opt_mode: @@ -618,6 +610,11 @@ static int isofs_fill_super(struct super_block *s, struct fs_context *fc) goto out_freesbi; } opt->blocksize = sb_min_blocksize(s, opt->blocksize); + if (!opt->blocksize) { + printk(KERN_ERR + "ISOFS: unable to set blocksize\n"); + goto out_freesbi; + } sbi->s_high_sierra = 0; /* default is iso9660 */ sbi->s_session = opt->session; @@ -947,7 +944,7 @@ root_found: sbi->s_check = opt->check; if (table) - s->s_d_op = &isofs_dentry_ops[table - 1]; + set_default_d_op(s, &isofs_dentry_ops[table - 1]); /* get the root dentry */ s->s_root = d_make_root(inode); @@ -956,8 +953,6 @@ root_found: goto out_no_inode; } - kfree(opt->iocharset); - return 0; /* @@ -995,7 +990,6 @@ out_freebh: brelse(bh); brelse(pri_bh); out_freesbi: - kfree(opt->iocharset); kfree(sbi); s->s_fs_info = NULL; return error; @@ -1286,6 +1280,7 @@ static int isofs_read_inode(struct inode *inode, int relocated) unsigned long offset; struct iso_inode_info *ei = ISOFS_I(inode); int ret = -EIO; + struct timespec64 ts; block = ei->i_iget5_block; bh = sb_bread(inode->i_sb, block); @@ -1398,8 +1393,10 @@ static int isofs_read_inode(struct inode *inode, int relocated) inode->i_ino, de->flags[-high_sierra]); } #endif - inode_set_mtime_to_ts(inode, - inode_set_atime_to_ts(inode, inode_set_ctime(inode, iso_date(de->date, high_sierra), 0))); + ts = iso_date(de->date, high_sierra ? ISO_DATE_HIGH_SIERRA : 0); + inode_set_ctime_to_ts(inode, ts); + inode_set_atime_to_ts(inode, ts); + inode_set_mtime_to_ts(inode, ts); ei->i_first_extent = (isonum_733(de->extent) + isonum_711(de->ext_attr_length)); @@ -1448,9 +1445,16 @@ static int isofs_read_inode(struct inode *inode, int relocated) inode->i_op = &page_symlink_inode_operations; inode_nohighmem(inode); inode->i_data.a_ops = &isofs_symlink_aops; - } else + } else if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode) || + S_ISFIFO(inode->i_mode) || S_ISSOCK(inode->i_mode)) { /* XXX - parse_rock_ridge_inode() had already set i_rdev. */ init_special_inode(inode, inode->i_mode, inode->i_rdev); + } else { + printk(KERN_DEBUG "ISOFS: Invalid file type 0%04o for inode %lu.\n", + inode->i_mode, inode->i_ino); + ret = -EIO; + goto fail; + } ret = 0; out: @@ -1516,7 +1520,7 @@ struct inode *__isofs_iget(struct super_block *sb, if (!inode) return ERR_PTR(-ENOMEM); - if (inode->i_state & I_NEW) { + if (inode_state_read_once(inode) & I_NEW) { ret = isofs_read_inode(inode, relocated); if (ret < 0) { iget_failed(inode); @@ -1536,7 +1540,10 @@ static int isofs_get_tree(struct fs_context *fc) static void isofs_free_fc(struct fs_context *fc) { - kfree(fc->fs_private); + struct isofs_options *opt = fc->fs_private; + + kfree(opt->iocharset); + kfree(opt); } static const struct fs_context_operations isofs_context_ops = { @@ -1625,4 +1632,5 @@ static void __exit exit_iso9660_fs(void) module_init(init_iso9660_fs) module_exit(exit_iso9660_fs) +MODULE_DESCRIPTION("ISO 9660 CDROM file system support"); MODULE_LICENSE("GPL"); |