ceph_mdsc_build_path() returns an ERR_PTR but this code is set up to
handle NULL returns.
Signed-off-by: Dan Carpenter <error27@xxxxxxxxx>
diff --git a/fs/ceph/debugfs.c b/fs/ceph/debugfs.c
index 360c4f2..6fd8b20 100644
--- a/fs/ceph/debugfs.c
+++ b/fs/ceph/debugfs.c
@@ -171,6 +171,8 @@ static int mdsc_show(struct seq_file *s, void *p)
} else if (req->r_dentry) {
path = ceph_mdsc_build_path(req->r_dentry, &pathlen,
&pathbase, 0);
+ if (IS_ERR(path))
+ path = NULL;
spin_lock(&req->r_dentry->d_lock);
seq_printf(s, " #%llx/%.*s (%s)",
ceph_ino(req->r_dentry->d_parent->d_inode),
@@ -187,6 +189,8 @@ static int mdsc_show(struct seq_file *s, void *p)
if (req->r_old_dentry) {
path = ceph_mdsc_build_path(req->r_old_dentry, &pathlen,
&pathbase, 0);
+ if (IS_ERR(path))
+ path = NULL;
spin_lock(&req->r_old_dentry->d_lock);
seq_printf(s, " #%llx/%.*s (%s)",
ceph_ino(req->r_old_dentry->d_parent->d_inode),
--
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