ceph: don't BUG on ENOMEM during mds reconnect

We are in a position to return an error; do that instead.

Signed-off-by: Sage Weil <sage@newdream.net>

diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 8d1f11c7a5a224c39c4c2913c125f069d930d140..f091b1351786368de18757d8cb262a19d1006bf1 100644 (file)
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -2324,7 +2324,7 @@ static int encode_caps_cb(struct inode *inode, struct ceph_cap *cap,
                path = ceph_mdsc_build_path(dentry, &pathlen, &pathbase, 0);
                if (IS_ERR(path)) {
                        err = PTR_ERR(path);
-                       BUG_ON(err);
+                       goto out_dput;
                }
        } else {
                path = NULL;
@@ -2332,7 +2332,7 @@ static int encode_caps_cb(struct inode *inode, struct ceph_cap *cap,
        }
        err = ceph_pagelist_encode_string(pagelist, path, pathlen);
        if (err)
-               goto out;
+               goto out_free;
 
        spin_lock(&inode->i_lock);
        cap->seq = 0;        /* reset cap seq */
@@ -2376,8 +2376,9 @@ static int encode_caps_cb(struct inode *inode, struct ceph_cap *cap,
                unlock_kernel();
        }
 
-out:
+out_free:
        kfree(path);
+out_dput:
        dput(dentry);
        return err;
 }