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-rw-r--r--fs/nfsd/nfs4proc.c12
-rw-r--r--fs/nfsd/nfs4state.c5
2 files changed, 11 insertions, 6 deletions
diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
index 57f791899de3..5ae670807449 100644
--- a/fs/nfsd/nfs4proc.c
+++ b/fs/nfsd/nfs4proc.c
@@ -1687,9 +1687,12 @@ static void cleanup_async_copy(struct nfsd4_copy *copy)
{
nfs4_free_copy_state(copy);
release_copy_files(copy);
- spin_lock(&copy->cp_clp->async_lock);
- list_del(&copy->copies);
- spin_unlock(&copy->cp_clp->async_lock);
+ if (copy->cp_clp) {
+ spin_lock(&copy->cp_clp->async_lock);
+ if (!list_empty(&copy->copies))
+ list_del_init(&copy->copies);
+ spin_unlock(&copy->cp_clp->async_lock);
+ }
nfs4_put_copy(copy);
}
@@ -1786,12 +1789,13 @@ nfsd4_copy(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
async_copy = kzalloc(sizeof(struct nfsd4_copy), GFP_KERNEL);
if (!async_copy)
goto out_err;
+ INIT_LIST_HEAD(&async_copy->copies);
+ refcount_set(&async_copy->refcount, 1);
async_copy->cp_src = kmalloc(sizeof(*async_copy->cp_src), GFP_KERNEL);
if (!async_copy->cp_src)
goto out_err;
if (!nfs4_init_copy_state(nn, copy))
goto out_err;
- refcount_set(&async_copy->refcount, 1);
memcpy(&copy->cp_res.cb_stateid, &copy->cp_stateid.cs_stid,
sizeof(copy->cp_res.cb_stateid));
dup_copy_fields(copy, async_copy);
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 5955a8b23a3d..b9dc47c051cc 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -975,7 +975,6 @@ static int nfs4_init_cp_state(struct nfsd_net *nn, copy_stateid_t *stid,
stid->cs_stid.si_opaque.so_clid.cl_boot = (u32)nn->boot_time;
stid->cs_stid.si_opaque.so_clid.cl_id = nn->s2s_cp_cl_id;
- stid->cs_type = cs_type;
idr_preload(GFP_KERNEL);
spin_lock(&nn->s2s_cp_lock);
@@ -986,6 +985,7 @@ static int nfs4_init_cp_state(struct nfsd_net *nn, copy_stateid_t *stid,
idr_preload_end();
if (new_id < 0)
return 0;
+ stid->cs_type = cs_type;
return 1;
}
@@ -1019,7 +1019,8 @@ void nfs4_free_copy_state(struct nfsd4_copy *copy)
{
struct nfsd_net *nn;
- WARN_ON_ONCE(copy->cp_stateid.cs_type != NFS4_COPY_STID);
+ if (copy->cp_stateid.cs_type != NFS4_COPY_STID)
+ return;
nn = net_generic(copy->cp_clp->net, nfsd_net_id);
spin_lock(&nn->s2s_cp_lock);
idr_remove(&nn->s2s_cp_stateids,