From: Liang Zhen Date: Mon, 15 Feb 2016 15:25:47 +0000 (-0500) Subject: staging: lustre: fix failure handle of create reply X-Git-Tag: next-20160301~20^2~353 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=600e9b49f64776a9078b3c98c405972646c4ada0;p=karo-tx-linux.git staging: lustre: fix failure handle of create reply 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 Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-2745 Reviewed-on: http://review.whamcloud.com/5542 Reviewed-by: Doug Oucharek Reviewed-by: Isaac Huang Reviewed-by: Oleg Drokin Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/lustre/lnet/lnet/lib-move.c b/drivers/staging/lustre/lnet/lnet/lib-move.c index ab56e7faca3a..1e1e63c73121 100644 --- a/drivers/staging/lustre/lnet/lnet/lib-move.c +++ b/drivers/staging/lustre/lnet/lnet/lib-move.c @@ -2187,17 +2187,17 @@ 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) { CERROR("%s: Dropping REPLY from %s: can't allocate msg\n", 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) { CERROR("%s: Dropping REPLY from %s for inactive MD %p\n", libcfs_nid2str(ni->ni_nid), libcfs_id2str(peer_id),