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Diffstat (limited to 'fs/ceph/caps.c')
-rw-r--r--fs/ceph/caps.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index 49e693232916..9d74cd37b395 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -920,12 +920,19 @@ void __ceph_remove_cap(struct ceph_cap *cap, bool queue_release)
{
struct ceph_mds_session *session = cap->session;
struct ceph_inode_info *ci = cap->ci;
- struct ceph_mds_client *mdsc =
- ceph_sb_to_client(ci->vfs_inode.i_sb)->mdsc;
+ struct ceph_mds_client *mdsc;
int removed = 0;
+ /* 'ci' being NULL means the remove have already occurred */
+ if (!ci) {
+ dout("%s: cap inode is NULL\n", __func__);
+ return;
+ }
+
dout("__ceph_remove_cap %p from %p\n", cap, &ci->vfs_inode);
+ mdsc = ceph_inode_to_client(&ci->vfs_inode)->mdsc;
+
/* remove from inode's cap rbtree, and clear auth cap */
rb_erase(&cap->ci_node, &ci->i_caps);
if (ci->i_auth_cap == cap)