[PATCH 1/5] netfs: Fix a missing rreq put in netfs_write_begin()

[David Howells <dhowells@xxxxxxxxxx>]

netfs_write_begin() needs to drop a ref on the read request if the network
filesystem gives an error when called to begin the caching op.

Signed-off-by: David Howells <dhowells@xxxxxxxxxx>
---

 fs/netfs/read_helper.c |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/netfs/read_helper.c b/fs/netfs/read_helper.c
index 3498bde035eb..0066db21aa11 100644
--- a/fs/netfs/read_helper.c
+++ b/fs/netfs/read_helper.c
@@ -1169,6 +1169,8 @@ int netfs_write_begin(struct file *file, struct address_space *mapping,
 	_leave(" = 0");
 	return 0;
 
+error_put:
+	netfs_put_read_request(rreq, false);
 error:
 	unlock_page(page);
 	put_page(page);