From: Eric Mei <Eric.Mei@Sun.COM>
Date: Mon, 8 Feb 2010 23:57:23 +0000 (-0700)
Subject: b=21278 fix a memory leak in mdd_links_get().
X-Git-Tag: 1.10.0.37~20
X-Git-Url: https://git.whamcloud.com/?a=commitdiff_plain;h=dc89b0a99c82f0e9da3a0dad91763d61e3a3a4a9;p=fs%2Flustre-release.git

b=21278 fix a memory leak in mdd_links_get().

i=nathan
i=rahul
---

diff --git a/lustre/mdd/mdd_dir.c b/lustre/mdd/mdd_dir.c
index fb0c0f3..6045cf3 100644
--- a/lustre/mdd/mdd_dir.c
+++ b/lustre/mdd/mdd_dir.c
@@ -2278,8 +2278,7 @@ struct lu_buf *mdd_links_get(const struct lu_env *env,
         rc = mdo_xattr_get(env, mdd_obj, buf, XATTR_NAME_LINK, capa);
         if (rc == -ERANGE) {
                 /* Buf was too small, figure out what we need. */
-                buf->lb_buf = NULL;
-                buf->lb_len = 0;
+                mdd_buf_put(buf);
                 rc = mdo_xattr_get(env, mdd_obj, buf, XATTR_NAME_LINK, capa);
                 if (rc < 0)
                         return ERR_PTR(rc);
diff --git a/lustre/mdd/mdd_object.c b/lustre/mdd/mdd_object.c
index 746cefb..99ed100 100644
--- a/lustre/mdd/mdd_object.c
+++ b/lustre/mdd/mdd_object.c
@@ -131,6 +131,7 @@ void mdd_buf_put(struct lu_buf *buf)
         else
                 OBD_FREE(buf->lb_buf, buf->lb_len);
         buf->lb_buf = NULL;
+        buf->lb_len = 0;
 }
 
 const struct lu_buf *mdd_buf_get_const(const struct lu_env *env,