From: shadow <shadow>
Date: Thu, 19 Nov 2009 12:05:53 +0000 (+0000)
Subject: avoid unnecessary allocation.
X-Git-Tag: GIT_EPOCH_B_HD_KDMU~69
X-Git-Url: https://git.whamcloud.com/gitweb?a=commitdiff_plain;h=e7a25f445bc3e20a3b586e72be4a239e8f8e7acb;p=fs%2Flustre-release.git

avoid unnecessary allocation.

Branch HEAD
b=19557
i=vitaly
---

diff --git a/lustre/ldlm/ldlm_lock.c b/lustre/ldlm/ldlm_lock.c
index eda190b..d9921b5 100644
--- a/lustre/ldlm/ldlm_lock.c
+++ b/lustre/ldlm/ldlm_lock.c
@@ -1467,6 +1467,9 @@ int ldlm_run_ast_work(struct list_head *rpc_list, ldlm_desc_ast_t ast_type)
         int ast_count;
         ENTRY;
 
+        if (list_empty(rpc_list))
+                RETURN(0);
+
         arg.set = ptlrpc_prep_set();
         if (NULL == arg.set)
                 RETURN(-ERESTART);