On Tue, 2021-11-30 at 19:20 +0800, xiubli@xxxxxxxxxx wrote: > From: Xiubo Li <xiubli@xxxxxxxxxx> > > Silence the potential compiler warning. > > Fixes: a33f6432b3a6 (ceph: encode inodes' parent/d_name in cap reconnect message) > Signed-off-by: Xiubo Li <xiubli@xxxxxxxxxx> Is this something we need to fix? AFAICT, there is no bug here. In the case where ceph_mdsc_build_path returns an error, "path" will be an ERR_PTR and then ceph_mdsc_free_path will be a no-op. If we do need to take this, we should probably also credit Dan for finding it. > --- > fs/ceph/mds_client.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c > index 87f20ed16c6e..2fc2b0a023e4 100644 > --- a/fs/ceph/mds_client.c > +++ b/fs/ceph/mds_client.c > @@ -3711,7 +3711,7 @@ static int reconnect_caps_cb(struct inode *inode, struct ceph_cap *cap, > struct ceph_pagelist *pagelist = recon_state->pagelist; > struct dentry *dentry; > char *path; > - int pathlen, err; > + int pathlen = 0, err; > u64 pathbase; > u64 snap_follows; > If we do take this, you can also get rid of the place where pathlen is set in the !dentry case. -- Jeff Layton <jlayton@xxxxxxxxxx>