udf: Fix lock inversion between iprune_mutex and alloc_mutex (v2)

[cascardo/linux.git] / fs / udf / ialloc.c

diff --git a/fs/udf/ialloc.c b/fs/udf/ialloc.c
index eb9cfa2..c4943c8 100644 (file)
--- a/fs/udf/ialloc.c
+++ b/fs/udf/ialloc.c
@@ -111,6 +111,7 @@ struct inode *udf_new_inode(struct inode *dir, int mode, int *err)
                lvhd->uniqueID = cpu_to_le64(uniqueID);
                mark_buffer_dirty(sbi->s_lvid_bh);
        }
+       mutex_unlock(&sbi->s_alloc_mutex);
        inode->i_mode = mode;
        inode->i_uid = current->fsuid;
        if (dir->i_mode & S_ISGID) {
@@ -145,7 +146,6 @@ struct inode *udf_new_inode(struct inode *dir, int mode, int *err)
        if (!iinfo->i_ext.i_data) {
                iput(inode);
                *err = -ENOMEM;
-               mutex_unlock(&sbi->s_alloc_mutex);
                return NULL;
        }
        if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_USE_AD_IN_ICB))
@@ -158,7 +158,6 @@ struct inode *udf_new_inode(struct inode *dir, int mode, int *err)
                iinfo->i_crtime = current_fs_time(inode->i_sb);
        insert_inode_hash(inode);
        mark_inode_dirty(inode);
-       mutex_unlock(&sbi->s_alloc_mutex);
 
        if (DQUOT_ALLOC_INODE(inode)) {
                DQUOT_DROP(inode);