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Diffstat (limited to 'fs/logfs/super.c')
-rw-r--r--fs/logfs/super.c23
1 files changed, 15 insertions, 8 deletions
diff --git a/fs/logfs/super.c b/fs/logfs/super.c
index d651e10a1e9c..5336155c5d81 100644
--- a/fs/logfs/super.c
+++ b/fs/logfs/super.c
@@ -342,24 +342,27 @@ static int logfs_get_sb_final(struct super_block *sb, struct vfsmount *mnt)
342 goto fail; 342 goto fail;
343 } 343 }
344 344
345 /* at that point we know that ->put_super() will be called */
345 super->s_erase_page = alloc_pages(GFP_KERNEL, 0); 346 super->s_erase_page = alloc_pages(GFP_KERNEL, 0);
346 if (!super->s_erase_page) 347 if (!super->s_erase_page)
347 goto fail; 348 return -ENOMEM;
348 memset(page_address(super->s_erase_page), 0xFF, PAGE_SIZE); 349 memset(page_address(super->s_erase_page), 0xFF, PAGE_SIZE);
349 350
350 /* FIXME: check for read-only mounts */ 351 /* FIXME: check for read-only mounts */
351 err = logfs_make_writeable(sb); 352 err = logfs_make_writeable(sb);
352 if (err) 353 if (err) {
353 goto fail1; 354 __free_page(super->s_erase_page);
355 return err;
356 }
354 357
355 log_super("LogFS: Finished mounting\n"); 358 log_super("LogFS: Finished mounting\n");
356 simple_set_mnt(mnt, sb); 359 simple_set_mnt(mnt, sb);
357 return 0; 360 return 0;
358 361
359fail1:
360 __free_page(super->s_erase_page);
361fail: 362fail:
362 iput(logfs_super(sb)->s_master_inode); 363 iput(super->s_master_inode);
364 iput(super->s_segfile_inode);
365 iput(super->s_mapping_inode);
363 return -EIO; 366 return -EIO;
364} 367}
365 368
@@ -580,10 +583,14 @@ int logfs_get_sb_device(struct file_system_type *type, int flags,
580 sb->s_flags |= MS_ACTIVE; 583 sb->s_flags |= MS_ACTIVE;
581 err = logfs_get_sb_final(sb, mnt); 584 err = logfs_get_sb_final(sb, mnt);
582 if (err) 585 if (err)
583 goto err1; 586 deactivate_locked_super(sb);
584 return 0; 587 return err;
585 588
586err1: 589err1:
590 /* no ->s_root, no ->put_super() */
591 iput(super->s_master_inode);
592 iput(super->s_segfile_inode);
593 iput(super->s_mapping_inode);
587 deactivate_locked_super(sb); 594 deactivate_locked_super(sb);
588 return err; 595 return err;
589err0: 596err0: