Merge commit '0072a0c14d5b7cb72c611d396f143f5dcd73ebe2' into patchwork

Merge from Upstream after the latest media fixes branch, because we
need one patch that it is there.

* commit '0072a0c14d5b7cb72c611d396f143f5dcd73ebe2': (1108 commits)
  ide: Change to use DEFINE_SHOW_ATTRIBUTE macro
  ide: pmac: add of_node_put()
  drivers/tty: add missing of_node_put()
  drivers/sbus/char: add of_node_put()
  sbus: char: add of_node_put()
  Linux 4.20-rc5
  PCI: Fix incorrect value returned from pcie_get_speed_cap()
  MAINTAINERS: Update linux-mips mailing list address
  ocfs2: fix potential use after free
  mm/khugepaged: fix the xas_create_range() error path
  mm/khugepaged: collapse_shmem() do not crash on Compound
  mm/khugepaged: collapse_shmem() without freezing new_page
  mm/khugepaged: minor reorderings in collapse_shmem()
  mm/khugepaged: collapse_shmem() remember to clear holes
  mm/khugepaged: fix crashes due to misaccounted holes
  mm/khugepaged: collapse_shmem() stop if punched or truncated
  mm/huge_memory: fix lockdep complaint on 32-bit i_size_read()
  mm/huge_memory: splitting set mapping+index before unfreeze
  mm/huge_memory: rename freeze_page() to unmap_page()
  initramfs: clean old path before creating a hardlink
  ...

1 files changed, 13 insertions, 13 deletions

diff --git a/fs/nfs/callback_proc.c b/fs/nfs/callback_proc.c
index fa515d5ea5ba..315967354954 100644
--- a/fs/nfs/callback_proc.c
+++ b/fs/nfs/callback_proc.c
@@ -66,7 +66,7 @@ __be32 nfs4_callback_getattr(void *argp, void *resp,
 out_iput:
 	rcu_read_unlock();
 	trace_nfs4_cb_getattr(cps->clp, &args->fh, inode, -ntohl(res->status));
-	iput(inode);
+	nfs_iput_and_deactive(inode);
 out:
 	dprintk("%s: exit with status = %d\n", __func__, ntohl(res->status));
 	return res->status;
@@ -108,7 +108,7 @@ __be32 nfs4_callback_recall(void *argp, void *resp,
 	}
 	trace_nfs4_cb_recall(cps->clp, &args->fh, inode,
 			&args->stateid, -ntohl(res));
-	iput(inode);
+	nfs_iput_and_deactive(inode);
 out:
 	dprintk("%s: exit with status = %d\n", __func__, ntohl(res));
 	return res;
@@ -686,20 +686,24 @@ __be32 nfs4_callback_offload(void *data, void *dummy,
 {
 	struct cb_offloadargs *args = data;
 	struct nfs_server *server;
-	struct nfs4_copy_state *copy;
+	struct nfs4_copy_state *copy, *tmp_copy;
 	bool found = false;
 
+	copy = kzalloc(sizeof(struct nfs4_copy_state), GFP_NOFS);
+	if (!copy)
+		return htonl(NFS4ERR_SERVERFAULT);
+
 	spin_lock(&cps->clp->cl_lock);
 	rcu_read_lock();
 	list_for_each_entry_rcu(server, &cps->clp->cl_superblocks,
 				client_link) {
-		list_for_each_entry(copy, &server->ss_copies, copies) {
+		list_for_each_entry(tmp_copy, &server->ss_copies, copies) {
 			if (memcmp(args->coa_stateid.other,
-					copy->stateid.other,
+					tmp_copy->stateid.other,
 					sizeof(args->coa_stateid.other)))
 				continue;
-			nfs4_copy_cb_args(copy, args);
-			complete(&copy->completion);
+			nfs4_copy_cb_args(tmp_copy, args);
+			complete(&tmp_copy->completion);
 			found = true;
 			goto out;
 		}
@@ -707,15 +711,11 @@ __be32 nfs4_callback_offload(void *data, void *dummy,
 out:
 	rcu_read_unlock();
 	if (!found) {
-		copy = kzalloc(sizeof(struct nfs4_copy_state), GFP_NOFS);
-		if (!copy) {
-			spin_unlock(&cps->clp->cl_lock);
-			return htonl(NFS4ERR_SERVERFAULT);
-		}
 		memcpy(&copy->stateid, &args->coa_stateid, NFS4_STATEID_SIZE);
 		nfs4_copy_cb_args(copy, args);
 		list_add_tail(&copy->copies, &cps->clp->pending_cb_stateids);
-	}
+	} else
+		kfree(copy);
 	spin_unlock(&cps->clp->cl_lock);
 
 	return 0;