From: Liang Zhen <liang.z...@intel.com> error handler of lnet_create_reply_msg() didn't release lnet_res_lock if lnet_msg_alloc() failed. It can be fixed by moving validation check of msg out from lock.
Signed-off-by: Liang Zhen <liang.z...@intel.com> Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-2745 Reviewed-on: http://review.whamcloud.com/5542 Reviewed-by: Doug Oucharek <doug.s.oucha...@intel.com> Reviewed-by: Isaac Huang <he.hu...@intel.com> Reviewed-by: Oleg Drokin <oleg.dro...@intel.com> --- drivers/staging/lustre/lnet/lnet/lib-move.c | 12 ++++++------ 1 files changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/staging/lustre/lnet/lnet/lib-move.c b/drivers/staging/lustre/lnet/lnet/lib-move.c index c56de44..03fcddc 100644 --- a/drivers/staging/lustre/lnet/lnet/lib-move.c +++ b/drivers/staging/lustre/lnet/lnet/lib-move.c @@ -2160,17 +2160,17 @@ lnet_create_reply_msg(lnet_ni_t *ni, lnet_msg_t *getmsg) LASSERT(!getmsg->msg_target_is_router); LASSERT(!getmsg->msg_routing); - cpt = lnet_cpt_of_cookie(getmd->md_lh.lh_cookie); - lnet_res_lock(cpt); - - LASSERT(getmd->md_refcount > 0); - if (msg == NULL) { CERROR("%s: Dropping REPLY from %s: can't allocate msg\n", - libcfs_nid2str(ni->ni_nid), libcfs_id2str(peer_id)); + libcfs_nid2str(ni->ni_nid), libcfs_id2str(peer_id)); goto drop; } + cpt = lnet_cpt_of_cookie(getmd->md_lh.lh_cookie); + lnet_res_lock(cpt); + + LASSERT(getmd->md_refcount > 0); + if (getmd->md_threshold == 0) { CERROR("%s: Dropping REPLY from %s for inactive MD %p\n", libcfs_nid2str(ni->ni_nid), libcfs_id2str(peer_id), -- 1.7.1 _______________________________________________ devel mailing list de...@linuxdriverproject.org http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
