nfsd race fixes: jfs
jfs version of Al Viro's nfsd race patches
Signed-off-by: Dave Kleikamp <shaggy@linux.vnet.ibm.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/jfs/jfs_inode.c b/fs/jfs/jfs_inode.c
index 70022fd..d4d142c 100644
--- a/fs/jfs/jfs_inode.c
+++ b/fs/jfs/jfs_inode.c
@@ -79,7 +79,8 @@
inode = new_inode(sb);
if (!inode) {
jfs_warn("ialloc: new_inode returned NULL!");
- return ERR_PTR(-ENOMEM);
+ rc = -ENOMEM;
+ goto fail;
}
jfs_inode = JFS_IP(inode);
@@ -89,8 +90,12 @@
jfs_warn("ialloc: diAlloc returned %d!", rc);
if (rc == -EIO)
make_bad_inode(inode);
- iput(inode);
- return ERR_PTR(rc);
+ goto fail_put;
+ }
+
+ if (insert_inode_locked(inode) < 0) {
+ rc = -EINVAL;
+ goto fail_unlock;
}
inode->i_uid = current_fsuid();
@@ -112,11 +117,8 @@
* Allocate inode to quota.
*/
if (DQUOT_ALLOC_INODE(inode)) {
- DQUOT_DROP(inode);
- inode->i_flags |= S_NOQUOTA;
- inode->i_nlink = 0;
- iput(inode);
- return ERR_PTR(-EDQUOT);
+ rc = -EDQUOT;
+ goto fail_drop;
}
inode->i_mode = mode;
@@ -158,4 +160,15 @@
jfs_info("ialloc returns inode = 0x%p\n", inode);
return inode;
+
+fail_drop:
+ DQUOT_DROP(inode);
+ inode->i_flags |= S_NOQUOTA;
+fail_unlock:
+ inode->i_nlink = 0;
+ unlock_new_inode(inode);
+fail_put:
+ iput(inode);
+fail:
+ return ERR_PTR(rc);
}