On Sun, Jun 21, 2020 at 07:08:17AM +0300, Egor Chelak wrote: > The flags byte of the dirent was accessed as de->flags[0] in a couple of > places, and not as de->flags[-sbi->s_high_sierra], which is how it's > accessed elsewhere. This caused a bug, where some files on an HSF disc > could be inaccessible. > +++ b/fs/isofs/dir.c > @@ -50,6 +50,7 @@ int isofs_name_translate(struct iso_directory_record *de, char *new, struct inod > int get_acorn_filename(struct iso_directory_record *de, > char *retname, struct inode *inode) > { > + struct isofs_sb_info *sbi = ISOFS_SB(inode->i_sb); > int std; > unsigned char *chr; > int retnamlen = isofs_name_translate(de, retname, inode); > @@ -66,7 +67,7 @@ int get_acorn_filename(struct iso_directory_record *de, > return retnamlen; > if ((*retname == '_') && ((chr[19] & 1) == 1)) > *retname = '!'; > - if (((de->flags[0] & 2) == 0) && (chr[13] == 0xff) > + if (((de->flags[-sbi->s_high_sierra] & 2) == 0) && (chr[13] == 0xff) > && ((chr[12] & 0xf0) == 0xf0)) { > retname[retnamlen] = ','; > sprintf(retname+retnamlen+1, "%3.3x", It's been about 22 years since I contributed the patch which added support for the Acorn extensions ;-) But I'm pretty sure that it's not possible to have an Acorn CD-ROM that is also an HSF CD-ROM. That is, all Acorn formatted CD-ROMs are ISO-9660 compatible. So I think this chunk of the patch is not required.