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xprtrdma: On invalidation failure, remove MWs from rl_registered 

Callers assume the ro_unmap_sync and ro_unmap_safe methods empty
the list of registered MRs. Ensure that all paths through
fmr_op_unmap_sync() remove MWs from that list.

Fixes: 9d6b040978 ("xprtrdma: Place registered MWs on a ... ")
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Chuck Lever 2017-06-08 11:51:48 -04:00 committed by Anna Schumaker
parent 26fde4dfcb
commit 04d25b7d5d
1 changed files with 1 additions and 0 deletions
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net/sunrpc/xprtrdma/fmr_ops.c
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@ -295,6 +295,7 @@ out_reset:
pr_err("rpcrdma: ib_unmap_fmr failed (%i)\n", rc);
list_for_each_entry_safe(mw, tmp, &req->rl_registered, mw_list) {
list_del_init(&mw->mw_list);
list_del_init(&mw->fmr.fm_mr->list);
fmr_op_recover_mr(mw);
}