client: fix copying bufferlist to iovec structures in Client::_read

Fixes: https://tracker.ceph.com/issues/63633
Signed-off-by: Dhairya Parmar <dparmar@redhat.com>

diff --git a/src/client/Client.cc b/src/client/Client.cc
index 195738efc87db5724dbbd50e6d3e602bf79ba190..8966bf60adb02df48c08a0df9f254c0165a1aa37 100644 (file)
--- a/src/client/Client.cc
+++ b/src/client/Client.cc
@@ -11269,7 +11269,7 @@ int64_t Client::_preadv_pwritev_locked(Fh *fh, const struct iovec *iov,
         }
 
         client_lock.unlock();
-        copy_bufferlist_to_iovec(iov, iovcnt, &bl, r);
+        copy_bufferlist_to_iovec(iov, iovcnt, blp ? blp : &bl, r);
         client_lock.lock();
         return r;
     }