From: Loic Dachary <loic-201408@dachary.org>
Date: Tue, 7 Oct 2014 12:02:09 +0000 (+0200)
Subject: common: do not set ioprio if pid is not set
X-Git-Tag: v0.87~32^2~3
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=62f0ef406a7535dcf3aae942bbc3d5c1341ef4f1;p=ceph.git

common: do not set ioprio if pid is not set

Signed-off-by: Loic Dachary <loic-201408@dachary.org>
(cherry picked from commit c7e4c0bfe70bf29d3b8fe4df4e4b934853e33d26)
---

diff --git a/src/common/Thread.cc b/src/common/Thread.cc
index 7be0013a6676b..a962e06f66a4d 100644
--- a/src/common/Thread.cc
+++ b/src/common/Thread.cc
@@ -51,7 +51,8 @@ void *Thread::entry_wrapper()
   int p = ceph_gettid(); // may return -ENOSYS on other platforms
   if (p > 0)
     pid = p;
-  if (ioprio_class >= 0 &&
+  if (pid &&
+      ioprio_class >= 0 &&
       ioprio_priority >= 0) {
     ceph_ioprio_set(IOPRIO_WHO_PROCESS,
 		    pid,