diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2013-09-27 09:31:09 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-09-27 09:31:09 -0700 |
| commit | e1f8826f5159d4aca5709c5d8d427319665fd5a1 (patch) | |
| tree | 2a42d2bffe5acb222d732d72b1bd4c002b683029 /fs/udf/ialloc.c | |
| parent | 730d7d339884f20da28b59bf6f0a16af6400a113 (diff) | |
| parent | 721a769c034204e8e5f6ca4ecbff249e0225333b (diff) | |
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull reiserfs and UDF fixes from Jan Kara:
"The contains fix of an UDF oops when mounting corrupted media and a
fix of a race in reiserfs leading to oops"
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
reiserfs: fix race with flush_used_journal_lists and flush_journal_list
reiserfs: remove useless flush_old_journal_lists
udf: Fortify LVID loading
Diffstat (limited to 'fs/udf/ialloc.c')
| -rw-r--r-- | fs/udf/ialloc.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/fs/udf/ialloc.c b/fs/udf/ialloc.c index 7e5aae4bf46..6eaf5edf1ea 100644 --- a/fs/udf/ialloc.c +++ b/fs/udf/ialloc.c @@ -30,18 +30,17 @@ void udf_free_inode(struct inode *inode) { struct super_block *sb = inode->i_sb; struct udf_sb_info *sbi = UDF_SB(sb); + struct logicalVolIntegrityDescImpUse *lvidiu = udf_sb_lvidiu(sb); - mutex_lock(&sbi->s_alloc_mutex); - if (sbi->s_lvid_bh) { - struct logicalVolIntegrityDescImpUse *lvidiu = - udf_sb_lvidiu(sbi); + if (lvidiu) { + mutex_lock(&sbi->s_alloc_mutex); if (S_ISDIR(inode->i_mode)) le32_add_cpu(&lvidiu->numDirs, -1); else le32_add_cpu(&lvidiu->numFiles, -1); udf_updated_lvid(sb); + mutex_unlock(&sbi->s_alloc_mutex); } - mutex_unlock(&sbi->s_alloc_mutex); udf_free_blocks(sb, NULL, &UDF_I(inode)->i_location, 0, 1); } @@ -55,6 +54,7 @@ struct inode *udf_new_inode(struct inode *dir, umode_t mode, int *err) uint32_t start = UDF_I(dir)->i_location.logicalBlockNum; struct udf_inode_info *iinfo; struct udf_inode_info *dinfo = UDF_I(dir); + struct logicalVolIntegrityDescImpUse *lvidiu; inode = new_inode(sb); @@ -92,12 +92,10 @@ struct inode *udf_new_inode(struct inode *dir, umode_t mode, int *err) return NULL; } - if (sbi->s_lvid_bh) { - struct logicalVolIntegrityDescImpUse *lvidiu; - + lvidiu = udf_sb_lvidiu(sb); + if (lvidiu) { iinfo->i_unique = lvid_get_unique_id(sb); mutex_lock(&sbi->s_alloc_mutex); - lvidiu = udf_sb_lvidiu(sbi); if (S_ISDIR(mode)) le32_add_cpu(&lvidiu->numDirs, 1); else |