From: xie xingguo <xie.xingguo@zte.com.cn>
Date: Fri, 8 Jul 2016 01:48:03 +0000 (+0800)
Subject: os/bluestore: assert to confirm that we don't access violation
X-Git-Tag: ses5-milestone5~458^2~2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=359c3863a5b7a622923ac6e0a5a90fa038b0948f;p=ceph.git

os/bluestore: assert to confirm that we don't access violation

Signed-off-by: xie xingguo <xie.xingguo@zte.com.cn>
---

diff --git a/src/os/bluestore/bluestore_types.h b/src/os/bluestore/bluestore_types.h
index f0e2702e96bd..2c1846da2bed 100644
--- a/src/os/bluestore/bluestore_types.h
+++ b/src/os/bluestore/bluestore_types.h
@@ -362,6 +362,7 @@ struct bluestore_blob_t {
       assert(p != extents.end());
     }
     while (x_len > 0) {
+      assert(p != extents.end());
       uint64_t l = MIN(p->length - x_off, x_len);
       f(p->offset + x_off, l);
       x_off = 0;
@@ -382,6 +383,7 @@ struct bluestore_blob_t {
     bufferlist::iterator it = bl.begin();
     uint64_t x_len = bl.length();
     while (x_len > 0) {
+      assert(p != extents.end());
       uint64_t l = MIN(p->length - x_off, x_len);
       bufferlist t;
       it.copy(l, t);