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Merge branch 'work.adfs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

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Pull adfs updates from Al Viro:
 "More ADFS patches from Russell King"

* 'work.adfs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  fs/adfs: add time stamp and file type helpers
  fs/adfs: super: limit idlen according to directory type
  fs/adfs: super: fix use-after-free bug
  fs/adfs: super: safely update options on remount
  fs/adfs: super: correct superblock flags
  fs/adfs: clean up indirect disc addresses and fragment IDs
  fs/adfs: clean up error message printing
  fs/adfs: use %pV for error messages
  fs/adfs: use format_version from disc_record
  fs/adfs: add helper to get filesystem size
  fs/adfs: add helper to get discrecord from map
  fs/adfs: correct disc record structure
This commit is contained in:
Linus Torvalds
2019-07-19 11:33:22 -07:00
parent 933a90bf4f b4ed8f75c8
commit d2fbf4b6d5
8 changed files with 164 additions and 144 deletions
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21
fs/adfs/dir_fplus.c
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@@ -4,7 +4,6 @@
*
* Copyright (C) 1997-1999 Russell King
*/
#include <linux/buffer_head.h>
#include <linux/slab.h>
#include "adfs.h"
#include "dir_fplus.h"
@@ -37,17 +36,15 @@ adfs_fplus_read(struct super_block *sb, unsigned int id, unsigned int sz, struct
h = (struct adfs_bigdirheader *)dir->bh_fplus[0]->b_data;
size = le32_to_cpu(h->bigdirsize);
if (size != sz) {
printk(KERN_WARNING "adfs: adfs_fplus_read:"
" directory header size %X\n"
" does not match directory size %X\n",
size, sz);
adfs_msg(sb, KERN_WARNING,
"directory header size %X does not match directory size %X",
size, sz);
}
if (h->bigdirversion[0] != 0 || h->bigdirversion[1] != 0 ||
h->bigdirversion[2] != 0 || size & 2047 ||
h->bigdirstartname != cpu_to_le32(BIGDIRSTARTNAME)) {
printk(KERN_WARNING "adfs: dir object %X has"
" malformed dir header\n", id);
adfs_error(sb, "dir %06x has malformed header", id);
goto out;
}
@@ -58,9 +55,10 @@ adfs_fplus_read(struct super_block *sb, unsigned int id, unsigned int sz, struct
kcalloc(size, sizeof(struct buffer_head *),
GFP_KERNEL);
if (!bh_fplus) {
adfs_msg(sb, KERN_ERR,
"not enough memory for dir object %X (%d blocks)",
id, size);
ret = -ENOMEM;
adfs_error(sb, "not enough memory for"
" dir object %X (%d blocks)", id, size);
goto out;
}
dir->bh_fplus = bh_fplus;
@@ -91,8 +89,7 @@ adfs_fplus_read(struct super_block *sb, unsigned int id, unsigned int sz, struct
if (t->bigdirendname != cpu_to_le32(BIGDIRENDNAME) ||
t->bigdirendmasseq != h->startmasseq ||
t->reserved[0] != 0 || t->reserved[1] != 0) {
printk(KERN_WARNING "adfs: dir object %X has "
"malformed dir end\n", id);
adfs_error(sb, "dir %06x has malformed tail", id);
goto out;
}
@@ -180,7 +177,7 @@ adfs_fplus_getnext(struct adfs_dir *dir, struct object_info *obj)
obj->loadaddr = le32_to_cpu(bde.bigdirload);
obj->execaddr = le32_to_cpu(bde.bigdirexec);
obj->size = le32_to_cpu(bde.bigdirlen);
obj->file_id = le32_to_cpu(bde.bigdirindaddr);
obj->indaddr = le32_to_cpu(bde.bigdirindaddr);
obj->attr = le32_to_cpu(bde.bigdirattr);
obj->name_len = le32_to_cpu(bde.bigdirobnamelen);