[PATCH] ceph: Fix memory leak in chain_listxattr()

[Li Wang <liwang@xxxxxxxxxxxxxxx>]

Free allocated memory before return

Signed-off-by: Li Wang <liwang@xxxxxxxxxxxxxxx>
---
 src/os/chain_xattr.cc |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/os/chain_xattr.cc b/src/os/chain_xattr.cc
index 62733e3..0859564 100644
--- a/src/os/chain_xattr.cc
+++ b/src/os/chain_xattr.cc
@@ -354,8 +354,10 @@ int chain_listxattr(const char *fn, char *names, size_t len) {
     return -ENOMEM;
 
   r = sys_listxattr(fn, full_buf, total_len);
-  if (r < 0)
+  if (r < 0) {
+    goto done;
     return r;
+  }
 
   char *p = full_buf;
   const char *end = full_buf + r;
-- 
1.7.9.5

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