NFSv4: Convert nfs_alloc_seqid() to return an ERR_PTR() if allocation fails
When we relax the sequencing on the NFSv4.1 OPEN/CLOSE code, we will want
to use the value NULL to indicate that no sequencing is needed.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index a6c04a5..c9c3807 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -988,7 +988,7 @@
goto err_free_p;
p->o_arg.seqid = nfs_alloc_seqid(&sp->so_seqid, gfp_mask);
- if (p->o_arg.seqid == NULL)
+ if (IS_ERR(p->o_arg.seqid))
goto err_free_label;
nfs_sb_active(dentry->d_sb);
p->dentry = dget(dentry);
@@ -2779,7 +2779,7 @@
calldata->arg.fh = NFS_FH(state->inode);
/* Serialization for the sequence id */
calldata->arg.seqid = nfs_alloc_seqid(&state->owner->so_seqid, gfp_mask);
- if (calldata->arg.seqid == NULL)
+ if (IS_ERR(calldata->arg.seqid))
goto out_free_calldata;
calldata->arg.fmode = 0;
calldata->arg.bitmask = server->cache_consistency_bitmask;
@@ -5517,7 +5517,7 @@
goto out;
seqid = nfs_alloc_seqid(&lsp->ls_seqid, GFP_KERNEL);
status = -ENOMEM;
- if (seqid == NULL)
+ if (IS_ERR(seqid))
goto out;
task = nfs4_do_unlck(request, nfs_file_open_context(request->fl_file), lsp, seqid);
status = PTR_ERR(task);
@@ -5558,10 +5558,10 @@
p->arg.fh = NFS_FH(inode);
p->arg.fl = &p->fl;
p->arg.open_seqid = nfs_alloc_seqid(&lsp->ls_state->owner->so_seqid, gfp_mask);
- if (p->arg.open_seqid == NULL)
+ if (IS_ERR(p->arg.open_seqid))
goto out_free;
p->arg.lock_seqid = nfs_alloc_seqid(&lsp->ls_seqid, gfp_mask);
- if (p->arg.lock_seqid == NULL)
+ if (IS_ERR(p->arg.lock_seqid))
goto out_free_seqid;
p->arg.lock_stateid = &lsp->ls_stateid;
p->arg.lock_owner.clientid = server->nfs_client->cl_clientid;