aboutsummaryrefslogtreecommitdiffstats
path: root/fs/hpfs
diff options
context:
space:
mode:
Diffstat (limited to 'fs/hpfs')
-rw-r--r--fs/hpfs/super.c17
1 files changed, 14 insertions, 3 deletions
diff --git a/fs/hpfs/super.c b/fs/hpfs/super.c
index 00971d999964..f63a699ec659 100644
--- a/fs/hpfs/super.c
+++ b/fs/hpfs/super.c
@@ -386,6 +386,7 @@ static int hpfs_remount_fs(struct super_block *s, int *flags, char *data)
386 int lowercase, conv, eas, chk, errs, chkdsk, timeshift; 386 int lowercase, conv, eas, chk, errs, chkdsk, timeshift;
387 int o; 387 int o;
388 struct hpfs_sb_info *sbi = hpfs_sb(s); 388 struct hpfs_sb_info *sbi = hpfs_sb(s);
389 char *new_opts = kstrdup(data, GFP_KERNEL);
389 390
390 *flags |= MS_NOATIME; 391 *flags |= MS_NOATIME;
391 392
@@ -398,15 +399,15 @@ static int hpfs_remount_fs(struct super_block *s, int *flags, char *data)
398 if (!(o = parse_opts(data, &uid, &gid, &umask, &lowercase, &conv, 399 if (!(o = parse_opts(data, &uid, &gid, &umask, &lowercase, &conv,
399 &eas, &chk, &errs, &chkdsk, &timeshift))) { 400 &eas, &chk, &errs, &chkdsk, &timeshift))) {
400 printk("HPFS: bad mount options.\n"); 401 printk("HPFS: bad mount options.\n");
401 return 1; 402 goto out_err;
402 } 403 }
403 if (o == 2) { 404 if (o == 2) {
404 hpfs_help(); 405 hpfs_help();
405 return 1; 406 goto out_err;
406 } 407 }
407 if (timeshift != sbi->sb_timeshift) { 408 if (timeshift != sbi->sb_timeshift) {
408 printk("HPFS: timeshift can't be changed using remount.\n"); 409 printk("HPFS: timeshift can't be changed using remount.\n");
409 return 1; 410 goto out_err;
410 } 411 }
411 412
412 unmark_dirty(s); 413 unmark_dirty(s);
@@ -419,7 +420,14 @@ static int hpfs_remount_fs(struct super_block *s, int *flags, char *data)
419 420
420 if (!(*flags & MS_RDONLY)) mark_dirty(s); 421 if (!(*flags & MS_RDONLY)) mark_dirty(s);
421 422
423 kfree(s->s_options);
424 s->s_options = new_opts;
425
422 return 0; 426 return 0;
427
428out_err:
429 kfree(new_opts);
430 return -EINVAL;
423} 431}
424 432
425/* Super operations */ 433/* Super operations */
@@ -432,6 +440,7 @@ static const struct super_operations hpfs_sops =
432 .put_super = hpfs_put_super, 440 .put_super = hpfs_put_super,
433 .statfs = hpfs_statfs, 441 .statfs = hpfs_statfs,
434 .remount_fs = hpfs_remount_fs, 442 .remount_fs = hpfs_remount_fs,
443 .show_options = generic_show_options,
435}; 444};
436 445
437static int hpfs_fill_super(struct super_block *s, void *options, int silent) 446static int hpfs_fill_super(struct super_block *s, void *options, int silent)
@@ -454,6 +463,8 @@ static int hpfs_fill_super(struct super_block *s, void *options, int silent)
454 463
455 int o; 464 int o;
456 465
466 save_mount_options(s, options);
467
457 sbi = kzalloc(sizeof(*sbi), GFP_KERNEL); 468 sbi = kzalloc(sizeof(*sbi), GFP_KERNEL);
458 if (!sbi) 469 if (!sbi)
459 return -ENOMEM; 470 return -ENOMEM;