From: Xiubo Li <xiubli@redhat.com>
Date: Wed, 2 Mar 2022 07:29:51 +0000 (+0800)
Subject: ceph: assign the ci only when the inode isn't NULL
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=1ad3bb28d336978e451980ca6c72be494b8fe2f1;p=linux.git

ceph: assign the ci only when the inode isn't NULL

The ceph_find_inode() may will fail and return NULL.

Signed-off-by: Xiubo Li <xiubli@redhat.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
---

diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index 991c6c8625b2c..f1ad6884d4daf 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -4166,7 +4166,6 @@ void ceph_handle_caps(struct ceph_mds_session *session,
 
 	/* lookup ino */
 	inode = ceph_find_inode(mdsc->fsc->sb, vino);
-	ci = ceph_inode(inode);
 	dout(" op %s ino %llx.%llx inode %p\n", ceph_cap_op_name(op), vino.ino,
 	     vino.snap, inode);
 
@@ -4192,6 +4191,7 @@ void ceph_handle_caps(struct ceph_mds_session *session,
 		}
 		goto flush_cap_releases;
 	}
+	ci = ceph_inode(inode);
 
 	/* these will work even if we don't have a cap yet */
 	switch (op) {