From: Jeff Layton <jlayton@xxxxxxxxxx>
[ Upstream commit 7e65624d32b6e0429b1d3559e5585657f34f74a1 ]
...to simplify some error paths.
Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx>
Reviewed-by: Luis Henriques <lhenriques@xxxxxxx>
Signed-off-by: Ilya Dryomov <idryomov@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
fs/ceph/dir.c | 3 +--
fs/ceph/inode.c | 6 ++----
fs/ceph/mds_client.c | 6 ++++--
fs/ceph/metric.c | 3 +--
4 files changed, 8 insertions(+), 10 deletions(-)
diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
index a4d48370b2b3..f63c1a090139 100644
--- a/fs/ceph/dir.c
+++ b/fs/ceph/dir.c
@@ -1797,8 +1797,7 @@ static void ceph_d_release(struct dentry *dentry)
dentry->d_fsdata = NULL;
spin_unlock(&dentry->d_lock);
- if (di->lease_session)
- ceph_put_mds_session(di->lease_session);
+ ceph_put_mds_session(di->lease_session);
kmem_cache_free(ceph_dentry_cachep, di);
}
diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index 57cd78e942c0..63e781e4f7e4 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -1121,8 +1121,7 @@ static inline void update_dentry_lease(struct inode *dir, struct dentry *dentry,
__update_dentry_lease(dir, dentry, lease, session, from_time,
&old_lease_session);
spin_unlock(&dentry->d_lock);
- if (old_lease_session)
- ceph_put_mds_session(old_lease_session);
+ ceph_put_mds_session(old_lease_session);
}
/*
@@ -1167,8 +1166,7 @@ static void update_dentry_lease_careful(struct dentry *dentry,
from_time, &old_lease_session);
out_unlock:
spin_unlock(&dentry->d_lock);
- if (old_lease_session)
- ceph_put_mds_session(old_lease_session);
+ ceph_put_mds_session(old_lease_session);
}
/*
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 816cea497537..8cbbb611e0ca 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -661,6 +661,9 @@ struct ceph_mds_session *ceph_get_mds_session(struct ceph_mds_session *s)
void ceph_put_mds_session(struct ceph_mds_session *s)
{
+ if (IS_ERR_OR_NULL(s))
+ return;
+
dout("mdsc put_session %p %d -> %d\n", s,
refcount_read(&s->s_ref), refcount_read(&s->s_ref)-1);
if (refcount_dec_and_test(&s->s_ref)) {
@@ -1435,8 +1438,7 @@ static void __open_export_target_sessions(struct ceph_mds_client *mdsc,
for (i = 0; i < mi->num_export_targets; i++) {
ts = __open_export_target_session(mdsc, mi->export_targets[i]);
- if (!IS_ERR(ts))
- ceph_put_mds_session(ts);
+ ceph_put_mds_session(ts);
}
}
diff --git a/fs/ceph/metric.c b/fs/ceph/metric.c
index fee4c4778313..3b2ef8ee544e 100644
--- a/fs/ceph/metric.c
+++ b/fs/ceph/metric.c
@@ -233,8 +233,7 @@ void ceph_metric_destroy(struct ceph_client_metric *m)
cancel_delayed_work_sync(&m->delayed_work);
- if (m->session)
- ceph_put_mds_session(m->session);
+ ceph_put_mds_session(m->session);
}
static inline void __update_latency(ktime_t *totalp, ktime_t *lsump,
--
2.33.0
