[PATCH][TRIVIAL] ceph: Free the previous caps if alloc failed.

[majianpeng]

Signed-off-by: Jianpeng Ma <majianp...@gmail.com>
---
 fs/ceph/caps.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index da0f9b8..626b0ec 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -203,6 +203,11 @@ out_alloc_count:
        /* we didn't manage to reserve as much as we needed */
        pr_warning("reserve caps ctx=%p ENOMEM need=%d got=%d\n",
                   ctx, need, have);
+       if (alloc) {
+               struct ceph_cap *tmp;
+               list_for_each_entry_safe(cap, tmp, &newcaps, caps_item)
+                       kmem_cache_free(ceph_cap_cachep, cap);
+       }
        return ret;
 }
 
-- 
1.8.1.2