libceph: fix broken data length assertions
authorAlex Elder <elder@inktank.com>
Sat, 30 Mar 2013 18:31:02 +0000 (13:31 -0500)
committerSage Weil <sage@inktank.com>
Thu, 2 May 2013 04:17:38 +0000 (21:17 -0700)
commit1190bf06a6b033384a65b5acdb1193d41cd257a6
treedd954da4bce3965e9255218b1908b0a9789d3cb2
parent6644ed7b7e04f8e588aebdaa58cededb9416ab95
libceph: fix broken data length assertions

It's OK for the result of a read to come back with fewer bytes than
were requested.  So don't trigger a BUG() in that case when
initializing the data cursor.

This resolves the first problem described in:
    http://tracker.ceph.com/issues/4598

Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Sage Weil <sage@inktank.com>
net/ceph/messenger.c